IQ48300QTV05NRS [SYNQOR]
DC-DC Regulated Power Supply Module, 1 Output, 150W, Hybrid, 1/4 BRICK PACKAGE-8;型号: | IQ48300QTV05NRS |
厂家: | SYNQOR WORLDWIDE HEADQUARTERS |
描述: | DC-DC Regulated Power Supply Module, 1 Output, 150W, Hybrid, 1/4 BRICK PACKAGE-8 输出元件 |
文件: | 总29页 (文件大小:3555K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Technical
Specification
IQ48xxxQTXxxx
34-75 V
100 V
1.8-48 V 150 W
2250 Vdc
Quarter-brick
DC-DC Converter
Continuous Input Transient Input
Outputs
Max Power
Isolation
The InQor® quarter-brick converter series is composed
of next-generation, board-mountable, isolated, fixed
switching frequency dc-dc converters that use synchronous
rectification to achieve extremely high power conversion
efficiency. Each module is supplied completely encased to
provide protection from the harsh environments seen in
many industrial and transportation applications.
G
-
S
R
N
0
4
E
T
C
R
T
Q
8
O
R
1
C
A
0
C
0
8
4
E
4
C
V
@
Q
D
N
I
T
U
V
O
D
8
.
-
1
N
V
I
5
7
-
4
3
Operational Features
• High efficiency, up to 90 % at full load
• Delivers full power with minimal derating
• Operating input voltage range: 34-75 V
• Fixed frequency switching provides predictable EMI
• No minimum load requirement
Protection Features
Mechanical Features
nput under-voltage lockout
• Industry standard Quarter-brick pin-out configuration
• Size: 2.386" x 1.536" x 0.500" (60.60 x 39.01 x 12.70 mm)
• Total weight: 2.9 oz. (84 g)
utput current limit and short circuit protection
ctive back drive current limit
utput over-voltage protection
hermal shutdown
• Flanged baseplate version available
Control Features
• On/Off control referenced to input side
• Remote sense for improved output voltage control
• Wide output voltage trim range
CONTENTS
Page No.
Family Electrical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.8Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 4
3.3Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 6
5.0Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 8
7.0Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . .10
12Vout Electrical Characteristics & Figures. . . . . . . . . . . . . . . . . . . . . .12
15Vout Electrical Characteristics & Figures. . . . . . . . . . . . . . . . . . . . . .14
24Vout Electrical Characteristics & Figures. . . . . . . . . . . . . . . . . . . . . .16
30Vout Electrical Characteristics & Figures. . . . . . . . . . . . . . . . . . . . . .18
48Vout Electrical Characteristics & Figures. . . . . . . . . . . . . . . . . . . . . .20
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Standards & Qualification Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Standard Mechanical Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Flanged Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Safety Features
• UL 60950-1/R:2011-12 Basic Insulation
• CAN/CSA-C22.2 No. 60950-1/A1:2011
• EN 60950-1/A2:2013
• RoHS compliant (see last page)
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 1
Technical
Specification
IQ48xxxQTXxxx
IQ48-QT Family Electrical Characteristics (all output voltages)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
ABSOLUTE MAXIMUM RATINGS
Min.
Typ.
Max. Units Notes & Conditions
Input Voltage
Non-Operating
Operating Transient
Operating
-1
80
100
75
V
V
V
Continuous
100 ms transient, square wave
Continuous
Isolation Voltage
Basic insulation
Input to Output
Input to Baseplate
Output to Baseplate
Operating Temperature
Storage Temperature
Voltage at ON/OFF input pin
INPUT CHARACTERISTICS
Operating Input Voltage Range
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Voltage Hysteresis
Recommended External Input Capacitance
Input Filter Component Values (L\C)
DYNAMIC CHARACTERISTICS
Turn-On Transient
2250
2250
2250
100
125
18
Vdc
Vdc
Vdc
°C
°C
V
-40
-45
-2
Baseplate temperature
34
48
75
V
100 V transient for 100 ms
32.6
30.2
33.4
31.0
2.0
100
4.7\6.6
34.2
31.8
V
V
V
µF
Typical ESR 0.1-0.2 Ω; see Note 3
µH\µF Internal values; see Figure D
Turn-On Time
Start-Up Inhibit Time
Output Voltage Overshoot
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
10
200
0
ms
ms
%
Full load, Vout = 90 % nom. (from enable)
Figure E; See Note 2
Maximum Output Capacitance
180
220
See Absolute Maximum Ratings
See Note 1
30
1000
MΩ
pF
Isolation Capacitance (input to output)
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
PCB Temperature
125
125
125
100
°C
°C
°C
°C
Package rated to 150 °C
UL rated max operating temp 130 °C
Transformer Temperature
Maximum Baseplate Temperature, Tb
FEATURE CHARACTERISTICS
Switching Frequency
250
kHz
V
ON/OFF Control
Off-State Voltage
On-State Voltage
2.4
-2
18
0.8
ON/OFF Control
Pull-Up Voltage
Pull-Up Resistance
Over-Temperature Shutdown OTP Trip Point
Over-Temperature Shutdown Restart Hysteresis
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
Calculated MTBF (MIL-217) MIL-HDBK-217F
Field Demonstrated MTBF
Application notes Figures A & B
Average PCB Temperature
5
50
125
10
V
kΩ
°C
°C
6
6
6
1.49
1.31
10 Hrs. Tb = 70 °C
10 Hrs. Tb = 70 °C
10 Hrs. See our website for details
Note 1: Higher values of isolation capacitance can be added externally to the module.
Note 2: Maximum value is 400 ms for DC current limit and short circuit fault conditions
Note 3: See “Input System Instability” in the Application Considerations section.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 2
Technical
Specification
IQ48xxxQTXxxx
Family Figures (all output voltages)
Typical Current Limit Inception Point
Nominal Vout
Current Limit Shutdown Voltage
Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/
OFF Pin on Ch 2. Output voltage normalized.
Common Figure 2: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Common Figure 3: Trim graph for trim-up 1.8 to 12 V outputs.
Common Figure 4: Trim graph for trim-up 15 to 48 V outputs.
Common Figure 5: Trim graph for trim down.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 3
Input:34-75 V
Output:1.8 V
Current:40 A
Part No.:IQ48018QTx40
Technical Specification
IQ48018QTx40 Electrical Characteristics (1.8 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
3.3
90
4
A
mA
mA
V
mA
A
Vin min; trim up; in current limit
75
2
0.035
260
500 V/ms; see Figure 6
RMS
Fast acting fuse recommended; see Note 3
15
1.782
1.800
1.818
V
±0.1
±0.1
±0.3
±0.3
27
%
%
mV
V
-27
1.755
1.845
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
Full load
Subject to thermal derating
Output voltage 10 % Low
85
20
170
40
40
mV
mV
A
RMS
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
0
44.0
48.0
0.6
5
52.0
A
V
A
mA
µF
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
10
10,000
70
400
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
-20
2.1
10
10
2.3
2.2
Over full temp range
100 % Load
50 % Load
82
85
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 4
Input:34-75 V
Output:1.8 V
Current:40 A
Part No.:IQ48018QTx40
Technical Specification
100
95
90
85
80
75
70
65
60
18
15
12
9
6
34 Vin
48 Vin
75 Vin
34 Vin
48 Vin
75 Vin
3
0
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
45
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 500 mV/div, Ch 2: Iout 10 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 15 µF tantalum capacitor and 1 uF
ceramic cap. Ch 1: Vout, Ch 2: Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 5
Input:34-75 V
Output:3.3 V
Current:30 A
Part No.:IQ48033QTx30
Technical Specification
IQ48033QTx30 Electrical Characteristics (3.3 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
4.2
100
4
A
mA
mA
V
Vin min; trim up; in current limit
80
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.05
400
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
3.267
3.300
3.333
V
±0.1
±0.1
±0.3
±0.3
50
%
%
mV
V
Over Load
Over Temperature
-50
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
3.217
3.383
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
80
20
160
40
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
30
Subject to thermal derating
Output voltage 10 % Low
33.0
36.0
1.5
2
39.0
A
V
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
10
mA
µF
10,000
100
400
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
3.9
10
10
4.0
4.2
Over full temp range
100 % Load
89
91
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 6
Input:34-75 V
Output:3.3 V
Current:30 A
Part No.:IQ48033QTx30
Technical Specification
100
95
90
85
80
75
70
65
60
15
12
9
6
34 Vin
48 Vin
75 Vin
3
34 Vin
48 Vin
75 Vin
0
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
35
30
25
20
15
10
5
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 200 mV/div, Ch 2: Iout 10 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 15 µF tantalum capacitor and 1 uF
ceramic cap. Ch 1: Vout, Ch 2: Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 7
Input:34-75 V
Output:5.0 V
Current:25 A
Part No.:IQ48050QTx25
Technical Specification
IQ48050QTx25 Electrical Characteristics (5.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
5.3
90
4
A
mA
mA
V
Vin min; trim up; in current limit
70
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.25
320
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
4.950
5.000
5.050
V
±0.1
±0.1
±0.3
±0.3
75
%
%
mV
V
Over Load
Over Temperature
-75
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
4.875
5.125
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Full load
60
20
120
40
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
25
Subject to thermal derating
Output voltage 10 % Low
27.5
30.0
2.4
1
32.5
A
V
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
10
mA
µF
8,000
240
400
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
5.9
10
10
6.1
6.4
Over full temp range
100% Load
90
92
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50% Load
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 8
Input:34-75 V
Output:5.0 V
Current:25 A
Part No.:IQ48050QTx25
Technical Specification
100
95
90
85
80
75
70
65
60
18
15
12
9
6
34 Vin
48 Vin
75 Vin
34 Vin
3
48 Vin
75 Vin
0
0
5
10
15
20
25
0
5
10
15
20
25
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
30
25
20
15
10
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 500 mV/div, Ch 2: Iout 5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 15 µF tantalum capacitor and 1 uF
ceramic cap. Ch 1: Vout, Ch 2: Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 9
Input:34-75 V
Output:7.0 V
Current:20 A
Part No.:IQ48070QTx20
Technical Specification
IQ48070QTx20 Electrical Characteristics (7.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
5.8
100
4
A
mA
mA
V
Vin min; trim up; in current limit
80
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.13
300
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
6.930
7.000
7.070
V
±0.1
±0.1
±0.3
±0.3
105
%
%
mV
V
Over Load
Over Temperature
-105
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
6.825
7.175
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
80
20
160
40
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
20
Subject to thermal derating
Output voltage 10 % Low
22.0
24.0
3.2
26.0
A
V
0.85
10
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
mA
µF
4,000
280
400
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
8.2
10
10
8.5
8.9
Over full temp range
100 % Load
92
93
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 10
Input:34-75 V
Output:7.0 V
Current:20 A
Part No.:IQ48070QTx20
Technical Specification
100
95
90
85
80
75
70
65
60
15
12
9
6
34 Vin
48 Vin
75 Vin
3
34 Vin
48 Vin
75 Vin
0
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
25
20
15
10
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 500 mV/div, Ch 2: Iout 5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 15 µF tantalum capacitor and 1 uF
ceramic cap. Ch 1: Vout, Ch 2: Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 11
Input:34-75 V
Output:12 V
Current:12 A
Part No.:IQ48120QTx12
Technical Specification
IQ48120QTx12 Electrical Characteristics (12.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
6.0
100
4
A
mA
mA
V
Vin min; trim up; in current limit
80
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.45
350
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
11.88
12.00
12.12
V
±0.1
±0.1
±0.3
±0.3
180
%
%
mV
V
Over Load
Over Temperature
-180
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
11.70
12.30
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
60
12
90
20
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
12
Subject to thermal derating
Output voltage 10 % Low
13.2
14.4
4.9
0.5
10
15.6
A
V
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
mA
µF
1,500
400
500
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
10
10
14.0
14.6
15.2
Over full temp range
100 % Load
92
93
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 12
Input:34-75 V
Output:12 V
Current:12 A
Part No.:IQ48120QTx12
Technical Specification
100
95
90
85
80
75
70
65
60
16
12
8
4
34 Vin
48 Vin
75 Vin
34 Vin
48 Vin
75 Vin
0
0
1
2
3
4
5
6
7
8
9
10
11
12
0
3
6
9
12
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
14
12
10
8
6
4
2
0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
25
40
55
70
85
Ambient Air Temperature (°C)
FFigure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 500 mV/div, Ch 2: Iout 2.5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 15 µF tantalum capacitor and 1 uF
ceramic cap. Ch 1: Vout, Ch 2: Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 13
Input:34-75 V
Output:15 V
Current:10 A
Part No.:IQ48150QTx10
Technical Specification
IQ48150QTx10 Electrical Characteristics (15.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
6.3
90
4
A
mA
mA
V
Vin min; trim up; in current limit
70
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.45
10
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
14.85
15.00
15.15
V
±0.1
±0.1
±0.3
±0.3
225
%
%
mV
V
Over Load
Over Temperature
-225
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
14.62
15.38
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
75
15
110
30
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
10
Subject to thermal derating
11.0
12.0
4.9
13.0
A
V
0.25
10
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
mA
µF
1,000
500
400
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
10
10
17.6
18.3
19.1
Over full temp range
100 % Load
91
92
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic and 22 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 14
Input:34-75 V
Output:15 V
Current:10 A
Part No.:IQ48150QTx10
Technical Specification
100
95
90
85
80
75
70
65
60
18
15
12
9
6
34 Vin
48 Vin
75 Vin
34 Vin
3
48 Vin
75 Vin
0
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
12
10
8
6
4
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
2
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %-
50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 500 mV/div, Ch 2: Iout 5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 1 uF ceramic cap. Ch 1: Vout, Ch 2:
Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 15
Input:34-75 V
Output:24 V
Current:6.0 A
Part No.:IQ48240QTx06
Technical Specification
IQ48240QTx06 Electrical Characteristics (24.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
6.1
110
4
A
mA
mA
V
Vin min; trim up; in current limit
85
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.45
115
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
23.76
24.00
24.24
V
±0.1
±0.1
±0.3
±0.3
360
%
%
mV
V
Over Load
Over Temperature
-360
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
23.40
24.60
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
75
20
120
40
6
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
Subject to thermal derating
Output voltage 10 % Low
6.6
7.2
11.5
0.2
10
7.8
A
V
A
Negative current drawn frominto output pins
Negative current drawn frominto output pins
Vout nominal at full load (resistive load)
mA
µF
400
1,000
500
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
10
10
28.1
29.3
30.5
Over full temp range
100 % Load
91
92
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications
support (e-mail: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 16
Input:34-75 V
Output:24 V
Current:6.0 A
Part No.:IQ48240QTx06
Technical Specification
100
95
90
85
80
75
70
65
60
18
15
12
9
6
34 Vin
48 Vin
75 Vin
34 Vin
48 Vin
75 Vin
3
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
7
6
5
4
3
2
1
0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 1 V/div, Ch 2: Iout 2.5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 1 uF ceramic cap. Ch 1: Vout, Ch 2:
Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 17
Input:34-75 V
Output:30 V
Current:5.0 A
Part No.:IQ48300QTx05
Technical Specification
IQ48300QTx05 Electrical Characteristics (30.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
6.3
100
4
A
mA
mA
V
Vin min; trim up; in current limit
80
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
0.5
115
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
29.70
30.00
30.30
V
±0.1
±0.1
±0.3
±0.3
450
%
%
mV
V
Over Load
Over Temperature
-450
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
29.25
30.75
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Full load
75
20
120
40
5
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
0
Subject to thermal derating
Output voltage 10% Low
5.5
6.0
18
6.5
A
V
0.2
10
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
mA
µF
250
1,400
500
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
10
10
35.1
36.6
38.1
Over full temp range
100 % Load
91
93
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications
support (e-mail: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 18
Input:34-75 V
Output:30 V
Current:5.0 A
Part No.:IQ48300QTx05
Technical Specification
100
95
90
85
80
75
70
65
60
18
15
12
9
6
34 Vin
48 Vin
75 Vin
34 Vin
3
48 Vin
75 Vin
0
0
1
2
3
4
5
0
1
2
3
4
5
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
6
5
4
3
2
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
1
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 2 V/div, Ch 2: Iout 2.5 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 1 uF ceramic cap. Ch 1: Vout, Ch 2:
Vin.
Product # IQ48xxxQTXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005203 Rev. F
11/13/15
Page 19
Input:34-75 V
Output:48 V
Current:3.0 A
Part No.:IQ48480QTx03
Technical Specification
IQ48480QTx03 Electrical Characteristics (48.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48 Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current (enabled)
Disabled Input Current
6.1
100
4
A
mA
mA
V
Vin min; trim up; in current limit
80
2
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
1.2
390
500 V/ms; see Figure 6
mA
A
RMS
15
Fast acting fuse recommended; see Note 3
47.52
48.00
48.48
V
±0.1
±0.1
±0.3
±0.3
720
%
%
mV
V
Over Load
Over Temperature
-720
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
46.80
49.20
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
80
20
150
40
3
mV
mV
A
RMS
Full load
Operating Output Current Range
Output DC Current Limit Inception
Output DC Current Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
Settling Time
0
Subject to thermal derating
Output voltage 10% Low
3.3
3.6
23.8
0.12
10
3.9
A
V
A
Negative current drawn into output pins
Negative current drawn into output pins
Vout nominal at full load (resistive load)
mA
µF
100
2,000
500
mV
µs
%
%
V
50 % to 75 % to 50 % Iout max; see Figure 5
To within 1 % Vout nom; see Figure 5
Across Pins 8 & 4; Common Figures 3-5; see Note 2
Across Pins 8 & 4
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
-20
10
10
56.2
58.6
61.0
Over full temp range
100 % Load
89
91
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
50 % Load
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications
support (e-mail: support@synqor.com)
Note 2: Trim-up range is limited below 10 % at low line and full load. Contact SynQor applications support for more detail (email: support@synqor.com)
Note 3: Safety certification requires the use of a fuse rated at or below this value
Product # IQ48xxxQTXxxx
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11/13/15
Page 20
Input:34-75 V
Output:48 V
Current:3.0 A
Part No.:IQ48480QTx03
Technical Specification
100
95
90
85
80
75
70
65
60
20
15
10
5
34 Vin
48 Vin
75 Vin
34 Vin
48 Vin
75 Vin
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25 °C.
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25 °C.
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
25
40
55
Ambient Air Temperature (°C)
70
85
Figure 3: Maximum load current vs. baseplate temperature when conductively
cooled. Note: The system design must provide a suitable thermal path that
maintains the baseplate temperature below 100 °C.
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50 % -75 %
-50 % of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF
ceramic cap. Ch 1: Vout 2 V/div, Ch 2: Iout 1 A/div.
Figure 6: Output voltage response to step-change in input voltage (nominal to
maximum), at full load current. Load cap: 1 uF ceramic cap. Ch 1: Vout, Ch 2:
Vin.
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Technical
Specification
IQ48xxxQTXxxx
Application Section
BASIC OPERATION AND FEATURES
This converter series uses a two-stage power conversion
topology. The first stage is a buck-converter that keeps the
output voltage constant over variations in line, load, and
temperature. The second stage uses a transformer to provide
the functions of input/output isolation and voltage step-up or
step-down to achieve the output voltage required.
5V
50k
50k
ON/OFF
Vin(-)
Both the first stage and the second stage switch at a fixed
frequency for predictable EMI performance. Rectification of the
transformer’s output is accomplished with synchronous rectifiers.
These devices, which are MOSFETs with a very low on-state
resistance, dissipate far less energy than Schottky diodes. This
is the primary reason that the converter has such high efficiency.
TTL
100pF
Figure B: Internal ON/OFF pin circuitry
These converters are offered totally encased to withstand harsh
environments and thermally demanding applications. Dissipation
throughout the converter is so low that it does not require a
heatsink for operation in many applications; however, adding
a heatsink provides improved thermal derating performance in
demanding applications.
REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs
correct for voltage drops along the conductors that connect the
converter’s output pins to the load.
Pin 7 should be connected to Vout(+) and Pin 5 should be
connected to Vout(-) at the point on the load where regulation is
desired. A remote connection at the load can adjust for a voltage
drop only as large as that specified in this datasheet, that is
This series of converters use the industry standard footprint and
pin-out configuration.
[Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] <
Sense Range % x Vout
CONTROL FEATURES
REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, permits
the user to control when the converter is on or off. This input
is referenced to the return terminal of the input bus, Vin(-).
The ON/OFF signal is active low (meaning that a low turns the
converter on). Figure A details four possible circuits for driving
the ON/OFF pin. Figure B is a detailed look of the internal ON/
OFF circuitry.
Sense Range % = Trim-up Range % (usually 10 %)
Pins 7 and 5 must be connected for proper regulation of
the output voltage. If these connections are not made, the
converter will deliver an output voltage that is slightly higher
than its specified value.
Note: the output over-voltage protection circuit senses the
voltage across the output (pins 8 and 4) to determine when
it should trigger, not the voltage across the converter’s sense
leads (pins 7 and 5). Therefore, the resistive drop on the board
should be small enough so that output OVP does not trigger,
even during load transients.
ON/OFF
ON/OFF
Vin(_)
Vin(_)
Remote Enable Circuit
Negative Logic
(Permanently Enabled)
5V
ON/OFF
TTL/
CMOS
ON/OFF
Vin(_)
Vin(_)
Open Collector Enable Circuit
Direct Logic Drive
Figure A: Various circuits for driving the ON/OFF pin.
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Page 22
Technical
Specification
IQ48xxxQTXxxx
Application Section
OUTPUT VOLTAGE TRIM (Pin 6): The TRIM input permits the
user to adjust the output voltage across the sense leads up or
down according to the trim range specifications.
PROTECTION FEATURES
Input Under-Voltage Lockout: The converter is designed
to turn off when the input voltage is too low, helping avoid an
input system instability problem, described in more detail in
the application note titled “Input System Instability” on our
website. The lockout circuitry is a comparator with dc hysteresis.
When the input voltage is rising, it must exceed the typical Turn-
On Voltage Threshold value (listed on the specifications page)
before the converter will turn on. Once the converter is on,
the input voltage must fall below the typical Turn-Off Voltage
Threshold value before the converter will turn off.
To decrease the output voltage, the user should connect a
resistor between Pin 6 and Pin 5 (SENSE(-) input). For a desired
decrease of the nominal output voltage, the value of the resistor
should be
511
R
=
- 10.22 [kW]
trim-down
(D%)
where
Vnominal – Vdesired
Vnominal
Output Current Limit: The maximum current limit remains
constant as the output voltage drops. However, once the output
voltage drops below the specified Output DC Current-Limit
Shutdown Voltage, the converter turns off.
=
x 100[%]
D%
To increase the output voltage, the user should connect a
resistor between Pin 6 and Pin 7 (SENSE(+) input). For a desired
increase of the nominal output voltage, the value of the resistor
should be
The converter then enters a “hiccup mode” where it repeatedly
turns on and off at a 5 Hz (nominal) frequency with a 5 % duty
cycle until the overload is removed. This prevents excessive
heating of the converter or the system board.
5.11VOUT (100+D%)
x
511
_
R
_
=
[kW]
trim-up
10.22
)
(
Output Over-Voltage Limit: If the voltage across the output
pins exceeds the Output Over-Voltage Protection threshold, the
converter will immediately stop switching. This prevents damage
to the load circuit due to 1) excessive series resistance in output
current path from converter output pins to sense point, 2) a
release of a overload condition, or 3) a release of a current limit
condition. Load capacitance determines exactly how high the
output voltage will rise in response to these conditions. After 200
ms the converter will automatically restart.
1.225D%
D%
where
V
= Nominal Output Voltage
out
Trim graphs show the relationship between the trim resistor
value Rtrim-up and Rtrim-down, showing the total range the
output voltage can be trimmed up or down.
Note: the TRIM feature does not affect the voltage at which the
output over-voltage protection circuit is triggered. Trimming the
output voltage too high may cause the over-voltage protection
circuit to engage, particularly during transients.
Over-Temperature Shutdown: A temperature sensor on
the internal converter PCB senses the average temperature of
the module. The thermal shutdown circuit is designed to turn
the converter off when the temperature at the sensed location
reaches the Over-Temperature Shutdown value. It will allow the
converter to turn on again when the temperature of the sensed
location falls by the amount of the Over-Temperature Shutdown
Restart Hysteresis value.
Do not add decoupling capacitance at the Trim pin.
The node is internally bypassed to eliminate noise.
Total DC Variation of VOUT: For the converter to meet
its full specifications, the maximum variation of the dc value
of Vout, due to both trimming and remote sensing voltage
drops, should not be greater than that specified for the output
voltage trim range.
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Page 23
Technical
Specification
IQ48xxxQTXxxx
Application Section
APPLICATION CONSIDERATIONS
Input System Instability: This condition can occur because Application Circuits: Figure C provides a typical circuit diagram
any dc-dc converter appears incrementally as a negative which details the input filtering and voltage trimming.
resistance load. A detailed application note titled “Input System
Instability” is available on the SynQor website which provides
an understanding of why this instability arises, and shows the
preferred solution for correcting it. The Electrical Characteristics
Table indicates a “Recommended External Input Capacitance”.
The value needed for that capacitance and ESR can vary based
on application parameters. Input stability can be evaluated
using our “Stability Calculator” tool in the Technical Support
section of our website www.synqor.com.
Vout(+)
Vin(+)
Electrolytic
Capacitor
Vsense(+)
External
Input
Filter
Rtrim-up
Vin
Trim
or
ON/OFF
Vin(_)
Cload
Rtrim-down
Iload
Vsense(_)
Vout(_)
Figure C: Typical application circuit (negative logic unit, permanently enabled).
Input Filtering and External Capacitance: Figure D provides Input Characteristics section on the Electrical Characteristics
a diagram showing the internal input filter components. This filter page. The input capacitance need not exactly match the specified
dramatically reduces input terminal ripple current, which otherwise value. More detailed information is available in the application note
could exceed the rating of an external electrolytic input capacitor. titled “EMI Characteristics” on the SynQor website.
The recommended external input capacitance is specified in the
L
Vin(+)
C
Vin(_)
Figure D: Internal Input Filter Diagram (component values listed on the input characteristics page).
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Technical
Specification
IQ48xxxQTXxxx
Application Section
Startup Inhibit Period: The Startup Inhibit Period ensures that When the ON/OFF pin goes low after t2, and the Startup Inhibit
the converter will remain off for approximately 200 ms when it is Period has elapsed, and the output turns on within the typical
shut down for any reason. When an output short is present, this Turn-On Time.
generates a 5 Hz “hiccup mode,” which prevents the converter
from overheating. In all, there are seven ways that the converter
can be shut down, initiating a Startup Inhibit Period:
Thermal Considerations: The maximum operating baseplate
temperature, TB, is 100 ºC. As long as the user’s thermal system
keeps TB < 100 ºC, the converter can deliver its full rated power.
•ꢀ InputꢀUnder-VoltageꢀLockout
A power derating curve can be calculated for any heatsink that is
attached to the baseplate of the converter. It is only necessary to
determine the thermal resistance, RTHBA, of the chosen heatsink
between the baseplate and the ambient air for a given airflow
rate. This information is available from the heatsink vendor. The
following formula can then be used to determine the maximum
power the converter can dissipate for a given thermal condition if
its baseplate is to be no higher than 100 ºC.
•ꢀ InputꢀOver-VoltageꢀShutdown
•ꢀ OutputꢀOver-VoltageꢀProtection
•ꢀ OverꢀTemperatureꢀShutdown
•ꢀ CurrentꢀLimitꢀ(whenꢀVoutꢀisꢀbelowꢀshutdownꢀvoltage)
•ꢀ ShortꢀCircuitꢀProtection
•ꢀ TurnedꢀoffꢀbyꢀtheꢀON/OFFꢀinput
Figure E shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
100 ºC - TA
Pmax
=
diss
RTH
BA
Before time t0, when the input voltage is below the UVL threshold,
the unit is disabled by the Input Under-Voltage Lockout (UVL)
feature. When the input voltage rises above the UVL threshold,
the Input Under-Voltage Lockout is released, and a Startup Inhibit
Period is initiated. At the end of this delay, the ON/OFF pin is
evaluated, and since it is active, the unit turns on.
This value of power dissipation can then be used in conjunction
with the data shown in Figure 2 to determine the maximum load
current (and power) that the converter can deliver in the given
thermal condition.
We recommend that a suitable thermal interface material such as
a thermally conductive pad or grease be used to assure a good
thermal interface between the base plate and the conductive
cooling device.
At time t1, the unit is disabled by the ON/OFF pin, and it cannot
be enabled again until the Startup Inhibit Period has elapsed.
V
in
Under-Voltage
Lockout Turn-
On Threshold
ON/OFF
(neg logic)
ON
OFF
ON
OFF
ON
10ms
(typical turn on time)
V
out
200ms
(typical start-up
inhibit period)
215ms
(initial start-up
inhibit period)
200ms
t
t0
t1
t2
Figure E: Startup Inhibit Period (turn-on time not to scale)
Product # IQ48xxxQTXxxx
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Page 25
Technical
Specification
IQ48xxxQTXxxx
Standards & Qualification Testing
Parameter
Notes & Conditions
STANDARDS COMPLIANCE
UL 60950-1/R:2011-12
Basic Insulation
CAN/CSA-C22.2 No. 60950-1/A1:2011
EN 60950-1/A2:2013
Note: An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new
releases or download from the SynQor website.
Parameter
QUALIFICATION TESTING
Life Test
# Units Test Conditions
32
5
95 % rated Vin and load, units at derating point, 1000 hours
Vibration
10-55 Hz sweep, 0.060 " total excursion, 1 min./sweep, 120 sweeps for 3 axis
100 g minimum, 2 drops in x, y, and z axis
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
5
10
5
-40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles
Toperating = min to max, Vin = min to max, full load, 100 cycles
Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105 % load
85 °C, 95 % RH, 1000 hours, continuous Vin applied except 5 min/day
5
5
Solderability
15 pins MIL-STD-883, method 2003
70,000 feet (21 km), see Note
Altitude
2
Note: A conductive cooling design is generally needed for high altitude applications because of naturally poor convective cooling at rare atmospheres.
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Technical
Specification
IQ48xxxQTXxxx
Standard Mechanical Diagram
1.536 [39.01]
1.030 [26.16]
0.450 [11.43]
0.150 [3.81]
SEATIN
PLANE H
0.500
[12.7
6
4
5
7
8
TOP VIEW
1.860 2.386
[47.24] [60.60]
2.000
[50.80]
0.004 [0.10]
0.08
[2.0]
3
2
1
1
0.300 [7.62]
0.600 [15.24]
THREADED INSERT
SEE NOTE 1
(4 PLCS)
0.215 0.020
[5.46 0.50]
NOTES
PIN DESIGNATIONS
1)
APPLIED TORQUE SHOULD NOT EXCEED 6in-lb (0.7Nm).
SCREW SHOULD NOT EXCEED 0.100" (2.54mm) DEPTH
BELOW THE SURFACE OF THE BASEPLATE.
Pin Name Function
1
Vin(+) Positive input voltage
2)
3)
TTL input to turn converter on and off,
referenced to Vin(–), with internal pull up.
BASEPLATE FLATNESS TOLERANCE IS 0.004" (.10mm)
2
ON/OFF
Vin(–)
PINS 1-3. 5-7 ARE 0.040" (1.02mm) DIA. WITH 0.080"
(2.03mm) DIA. STANDOFFS.
PINS 4 AND 8 ARE 0.062" (1.57mm) DIA. WITH 0.100"
(2.54mm) DIA STANDOFFS
ALL PINS: MATERIAL: COPPER ALLOY
FINISH: MATTE TIN OVER NICKEL PLATE
3
Negative input voltage
4)
5)
6)
7)
4
Vout(–) Negative output voltage
5
SENSE(–) Negative remote sense (See note 1)
6
TRIM
Output voltage trim (See note 2)
WEIGHT: 2.9 oz. (84g)
7
8
SENSE(+) Positive remote sense (See note 3)
Vout(+) Positive output voltage
ALL DIMENSIONS IN INCHES(mm)
TOLERANCES: X.XXIN +/-0.02 (X.Xmm +/-0.5mm)
X.XXXIN +/-0.010 (X.XXmm +/-0.25mm)
Notes:
1)
SENSE(–) should be connected to Vout(–) either remotely
or at the converter.
2)
3)
Leave TRIM pin open for nominal output voltage.
SENSE(+) should be connected to Vout(+) either remotely
or at the converter.
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Technical
Specification
IQ48xxxQTXxxx
Flanged Mechanical Diagram
2.200 [55.88]
2.000 [50.80]
1.536 [39.01]
0.450 [11.4]
0.150 [3.8]
SEATIN
EXTENSION
PLANE HEIGHT
0.180
.500±.025
[4.6]
[12.7±0.63]
7
5 6
8
4
0.010 [0.25]
TOP VIEW
2.386
[60.60]
2.000
[50.8]
2.066
[52.48]
1.300
[33.02]
0.36
[9.1]
3
2
1
1
0.300 [7.6]
FLANGE
0.70
THICKNESS
0.600 [15.2]
.130 [3.30]
[17.8]
0.125
SEE NOTE 1
(6 PLCS)
[3.2]
NOTES
PIN DESIGNATIONS
1)
APPLIED TORQUE SHOULD NOT EXCEED 6in-lb (0.7Nm)
Pin Name Function
1
Vin(+) Positive input voltage
2)
3)
BASEPLATE FLATNESS TOLERANCE IS 0.010" (.25mm) TIR FOR
TTL input to turn converter on and off,
referenced to Vin(–), with internal pull up.
SURFACE.
2
ON/OFF
Vin(–)
PINS 1-3. 5-7 ARE 0.040" (1.02mm) DIA. WITH 0.080"
(2.03mm) DIA. STANDOFFS.
3
Negative input voltage
4)
5)
PINS 1-3. 5-7 ARE 0.040" (1.02mm) DIA. WITH 0.080" (2.03mm)
DIA. STANDOFFS.
PINS 4 AND 8 ARE 0.062" (1.57mm) DIA. WITH 0.100"
(2.54mm) DIA STANDOFFS
4
Vout(–) Negative output voltage
5
SENSE(–) Negative remote sense (See note 1)
6
TRIM
Output voltage trim (See note 2)
6)
7)
ALL PINS: MATERIAL: COPPER ALLOY
FINISH: MATTE TIN OVER NICKEL PLATE
WEIGHT: 3.2 oz (90 g)
7
8
SENSE(+) Positive remote sense (See note 3)
Vout(+) Positive output voltage
Notes:
1)
SENSE(–) should be connected to Vout(–) either remotely
or at the converter.
8)
ALL DIMENSIONS IN INCHES(mm)
TOLERANCES: X.XXIN +/-0.02 (X.Xmm +/-0.5mm)
X.XXXIN +/-0.010 (X.XXmm +/-0.25mm)
2)
3)
Leave TRIM pin open for nominal output voltage.
SENSE(+) should be connected to Vout(+) either remotely
or at the converter.
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Technical
Specification
IQ48xxxQTXxxx
PART NUMBERING SYSTEM
ORDERING INFORMATION
The part numbering system for SynQor’s dc-dc converters follows the format
shown in the example below.
The tables below show the valid model numbers and ordering options for
converters in this product family. When ordering SynQor converters, please
ensure that you use the complete 15 character part number consisting of
the 12 character base part number and the additional characters for options.
InQor units are only available with 6/6 RoHS compliance indicated by "-G".
IQ 48 018 Q T C 40 N R S
- G
Input
Voltage
Output
Voltage
Output
Current
Model Number
6/6 RoHS
48 V
48 V
48 V
48 V
48 V
48 V
48 V
48 V
48 V
1.8 V
3.3 V
5 V
40 A
30 A
25 A
20 A
12 A
10 A
6 A
IQ48018QTw40xyz
IQ48033QTw30xyz
IQ48050QTw25xyz
IQ48070QTw20xyz
IQ48120QTw12xyz
IQ48150QTw10xyz
IQ48240QTw06xyz
IQ48300QTw05xyz
IQ48480QTw03xyz
Options (see
Ordering Information)
Output Current
7 V
Thermal Design
Performance Level
Package Size
12 V
15 V
24 V
30 V
48 V
5 A
Output Voltage
3 A
Input Voltage
Product Family
The following options must be included in place of the w x y z spaces in the
model numbers listed above.
The first 12 characters comprise the base part number and the last 3
characters indicate available options. The “-G” suffix indicates 6/6 RoHS
compliance.
Options Description
Thermal Design
Enable Logic Pin Style
Feature Set
w
x
y
z
Application Notes
C - Encased
V - Encased with
Flanged Baseplate
N - Negative
R - 0.180"
S - Standard
A variety of application notes and technical white papers can be downloaded
in pdf format from our website.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous
Substances) Directive bans the use of Lead, Cadmium, Hexavalent
Chromium, Mercury, Polybrominated Biphenyls (PBB), and Polybrominated
Diphenyl Ether (PBDE) in Electrical and Electronic Equipment. This SynQor
product is 6/6 RoHS compliant. For more information please refer to
Not all combinations make valid part numbers, please contact SynQor for
availability.
SynQor’s RoHS addendum available at our RoHS Compliance / Lead
Free Initiative web page or e-mail us at rohs@synqor.com
.
Contact SynQor for further information and to order:
PATENTS
SynQor holds numerous U.S. patents, one or more of which apply to most of its power converter
products. Any that apply to the product(s) listed in this document are identified by markings on
the product(s) or on internal components of the product(s) in accordance with U.S. patent laws.
SynQor’s patents include the following:
Phone:
Toll Free:
Fax:
E-mail:
Web:
978-849-0600
888-567-9596
978-849-0602
power@synqor.com
www.synqor.com
155 Swanson Road
Boxborough, MA 01719
USA
5,999,417
6,896,526
7,269,034
7,787,261
6,222,742
6,927,987
7,272,021
8,023,290
6,545,890
7,050,309
7,272,023
8,149,597
6,594,159
7,072,190
7,558,083
8,493,751
6,731,520
7,085,146
7,564,702
8,644,027
6,894,468
7,119,524
7,765,687
9,143,042
Address:
Warranty
SynQor offers a two (2) year limited warranty. Complete warranty
information is listed on our website or is available upon request from
SynQor.
Product # IQ48xxxQTXxxx
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Page 29
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