V48SC3R320NMFH [DELTA]
66W DC/DC Power Modules; 66W DC / DC电源模块
| 型号： | V48SC3R320NMFH |
| 厂家： | 
DELTA ELECTRONICS, INC. |
| 描述： | 66W DC/DC Power Modules |
| 文件： | 总15页 (文件大小：966K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
V48SC3R320
66W DC/DC Power Modules
FEATURES
High efficiency : 91.0% @ 3.3V/20A
Size:
Without heat spreader
33.0mm*22.8mm*9.5mm(1.30”*0.90”0.37”)
With heat spreader
33.0mm*22.8mm*12.7mm(1.30”*0.90”0.50”)
Industry standard pin out and footprint
Fixed frequency operation
Input UVLO
Hiccup output over current protection (OCP)
Hiccup output over voltage protection (OVP)
Auto recovery OTP
Monotonic startup into normal and pre-biased
loads
1500V isolation and basic insulation
No minimum load required
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing facility
UL/cUL 60950-1 (US & Canada) recognized
Delphi Series V48SC, Sixteenth Brick
Family
DC/DC Power Modules:
36~75V in, 3.3V/20A out, 66W
OPTIONS
Positive ON/OFF logic
The Delphi Module V48SC3R320, sixteenth brick, 36~75V
SMD PIN
input, single output, isolated DC/DC converter is the latest offering
Through hole with heat spreader
from
a world leader in power system and technology and
manufacturing ― Delta Electronics, Inc. This product provides up to
66 watts of power in an industry standard footprint and pin out. With
creative design technology and optimization of component
placement, these converters possess outstanding electrical and
thermal performances, as well as extremely high reliability under
highly stressful operating conditions. The V48SC3R320 offers more
than 91.0% high efficiency at 20A load.
APPLICATIONS
Telecom / Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial / Testing Equipment
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P1
TECHNICAL SPECIFICATIONS
PARAMETER
NOTES and CONDITIONS
V48SC3R320
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient
80
100
85
125
1500
Vdc
Vdc
°C
°C
Vdc
100ms
Operating Ambient Temperature
Storage Temperature
Input/Output Isolation Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
-40
-55
36
48
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current (I2t)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Load
32.0
30.0
1
34.0
32.0
2
36.0
34.0
3
Vdc
Vdc
Vdc
A
mA
mA
A2s
mA
dB
Full Load, 36Vin
Vin=48V, Io=0A
Vin=48V, Io=0A
2.2
50
5
1
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
20
-50
Vin=48V, Io=0, Tc=25°C
3.25
3.20
3.30
3.35
Vdc
Vin=48V, Io=Io min to Io max
Vin=36V to 75V, Io=Io min
Vin=48V, Tc= min to max case temperatrue
over sample load, line and temperature
5Hz to 20MHz bandwidth
±10
±10
±33
3.40
mV
mV
mV
Vdc
Over Line
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
50
15
mV
mV
A
RMS
Operating Output Current Range
Output DC Current-Limit Inception
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
0
22
20
30
Output Voltage 10% Low
A
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75%
100
100
100
mV
mV
µs
75% Io.max to 50%
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Capacitance
EFFICIENCY
20
20
ms
ms
µF
10000
100% Load
60% Load
Vin=48V
Vin=48V
91.0
91.5
%
%
ISOLATION CHARACTERISTICS
Input to Output
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
1500
510
Vdc
MΩ
pF
10
1000
465
420
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
0
3.5
0.8
10
V
V
Logic High (Module Off)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
Ion/off at Von/off=0.0V
Logic High, Von/off=10V
mA
uA
%
%
%
-20
10
10
150
Over full temp range; % of nominal Vout
115
Io=80% of Io max; Tc=25°C;Airflow=300LFM,
Issue 3
MTBF
13.77
M hours
Weight
Weight
Without heat spreader
With heat spreader
15.0
21.0
grams
grams
Refer to Figure 18 for Hot spot 1 location
(48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+)
Refer to Figure 20 for Hot spot 2 location
(48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+)
Refer to Figure 18 for NTC resistor location
Over-Temperature Shutdown ( Without heat spreader)
127
°C
Over-Temperature Shutdown
(With heat spreader)
122
125
°C
°C
Over-Temperature Shutdown ( NTC resistor )
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots’ temperature is just for reference.
(TA=25°C, Natural convection, Vin=48Vdc, nominal Vout unless otherwise noted;
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P2
ELECTRICAL CHARACTERISTICS CURVES
94
92
90
8
7
6
5
4
3
2
1
88
75Vin
75Vin
86
84
82
80
78
76
74
48Vin
48Vin
36Vin
36Vin
2.5
5
7.5
10
12.5
15
17.5
20
2.5
5
7.5
10
12.5
15
17.5
20
OUTPUT CURRENT(A)
OUTPUT CURRENT(A)
Figure 1: Efficiency vs. load current for 36V, 48V, and 75V
input voltage at 25°C.
Figure 2: Power dissipation vs. load current for 36V, 48V, and
75V input voltage at 25°C.
3
2.5
2
1.5
1
0.5
0
30
35
40
45
50
55
60
65
70
75
INPUT VOLTAGE(V)
Figure 3: full load input characteristics at room temperature.
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ELECTRICAL CHARACTERISTICS CURVES
For Negative Remote On/Off Logic
Figure 4: Turn-on transient at zero load current) (5ms/div).
Figure 5: Turn-on transient at full load current (5ms/div).
Top Trace: Vout; 1V/div; Bottom Trace: ON/OFF input: 5V/div.
Top Trace: Vout: 1V/div; Bottom Trace: ON/OFF input: 5V/div.
For Input Voltage Start up
Figure 6: Turn-on transient at zero load current (5 ms/div).
Figure 7: Turn-on transient at full load current (5 ms/div).
Top Trace: Vout; 1V/div; Bottom Trace: input voltage: 50V/div.
Top Trace: Vout; 1V/div; Bottom Trace: input voltage: 50V/div.
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ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (50%-75%-50% of full load; di/dt = 0.1A/µs).
Load cap: 10µF, tantalum capacitor and 1µF ceramic capacitor.
Top Trace: Vout; 50mV/div; Bottom Trace: output current:
5A/div, Time: 100us/div
Figure 9: Output voltage response to step-change in load
current (50%-75%-50% of full load; di/dt = 2.5A/µs).
Load cap: 10µF, tantalum capacitor and 1µF ceramic capacitor.
Top Trace: Vout; 100mV/div; Bottom Trace: output current:
5A/div, Time: 100us/div
Figure 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Cur
Figure 11: Input Terminal Ripple Current, ic, at max output
current and nominal input voltage with 12µH source impedance
and 33µF electrolytic capacitor (100 mA/div，2us/div).
Not
sou
pos
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ELECTRICAL CHARACTERISTICS CURVES
Figure 12: Input reflected ripple current, is, through a 12µH
source inductor at nominal input voltage and max load current
(20 mA/div，2us/div).
Figure 13: Output voltage noise and ripple measurement test
setup.
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Vin=48V
0.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
LOAD CURRENT (A)
Figure 14: Output voltage ripple at nominal input voltage and
max load current (20 mV/div, 2us/div)
Figure 15: Output voltage vs. load current showing typical
current limit curves and converter shutdown points.
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz.
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DESIGN CONSIDERATIONS
Test Result:
At T = +25C , Vin = 48 V and full load
Green line is quasi peak mode;
Blue line is average mode.
Input Source Impedance
The impedance of the input source connecting to the
DC/DC power modules will interact with the modules
and affect the stability. A low ac-impedance input source
is recommended. If the source inductance is more than
a few μH, we advise 100μF electrolytic capacitor (ESR <
0.7 Ω at 100 kHz) mounted close to the input of the
module to improve the stability.
dBμV
80.0
Limits
55022MAV
55022MQP
70.0
60.0
50.0
40.0
30.0
20.0
Layout and EMC Considerations
Transducer
8130
Traces
PK+
AV
Delta’s DC/DC power modules are designed to operate
in a wide variety of systems and applications. For design
assistance with EMC compliance and related PWB
layout issues, please contact Delta’s technical support
team. An external input filter module is available for
easier EMC compliance design. Below is the reference
design for an input filter tested with V48SC3R320 to
meet class A in CISSPR 22.
10.0
0.0
150 kHz
1 MHz
10 MHz
30 MHz
EMI test positive line
Schematic and Components List
dBμV
80.0
70.0
Limits
55022MAV
55022MQP
60.0
50.0
40.0
30.0
20.0
Transducer
8130
Traces
PK+
AV
EMI test schematic
10.0
0.0
C1= 3.3uF/100 V
C2= 47uF/100 V
C3= 47uF/100 V
150 kHz
1 MHz
10 MHz
30 MHz
EMI test negative line
C4=C5=1nF/250Volt
T1=1mH, common choke，type P53910(Pulse)
Safety Considerations
The power module must be installed in compliance with
the spacing and separation requirements of the
end-user’s safety agency standard, i.e., UL60950-1,
CSA C22.2 NO. 60950-1 2nd and IEC 60950-1 2nd :
2005 and EN 60950-1 2nd: 2006+A11+A1: 2010, if the
system in which the power module is to be used must
meet safety agency requirements.
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FEATURES DESCRIPTIONS
Over-Current Protection
Basic insulation based on 75 Vdc input is provided
between the input and output of the module for the
purpose of applying insulation requirements when the
input to this DC-to-DC converter is identified as TNV-2 or
SELV. An additional evaluation is needed if the source is
other than TNV-2 or SELV.
The modules include an internal output over-current
protection circuit, which will endure current limiting for an
unlimited duration during output overload. If the output
current exceeds the OCP set point, the modules will shut
down, and will try to restart after shutdown(hiccup mode).
If the overload condition still exists, the module will shut
down again. This restart trial will continue until the
overload condition is corrected.
When the input source is SELV circuit, the power module
meets SELV (safety extra-low voltage) requirements. If
the input source is a hazardous voltage which is greater
than 60 Vdc and less than or equal to 75 Vdc, for the
module’s output to meet SELV requirements, all of the
following must be met:
Over-Voltage Protection
The modules include an internal output over-voltage
protection circuit, which monitors the voltage on the output
terminals. If this voltage exceeds the over-voltage set
point, the protection circuit will constrain the max duty
cycle to limit the output voltage, if the output voltage
continuously increases the modules will shut down, and
then restart after a hiccup-time (hiccup mode).
The input source must be insulated from the ac
mains by reinforced or double insulation.
The input terminals of the module are not operator
accessible.
A SELV reliability test is conducted on the system
where the module is used, in combination with the
module, to ensure that under a single fault,
hazardous voltage does not appear at the module’s
output.
Over-Temperature Protection
The over-temperature protection consists of circuitry that
provides protection from thermal damage. If the
temperature exceeds the over-temperature threshold the
module will shut down.The module will restart after the
temperature is within specification.
When installed into a Class II equipment (without
grounding), spacing consideration should be given to
the end-use installation, as the spacing between the
module and mounting surface have not been evaluated.
Remote On/Off
The power module has extra-low voltage (ELV) outputs
when all inputs are ELV.
The remote on/off feature on the module can be either
negative or positive logic. Negative logic turns the module
on during a logic low and off during a logic high. Positive
logic turns the modules on during a logic high and off
during a logic low.
This power module is not internally fused. To achieve
optimum safety and system protection, an input line fuse
is highly recommended. The safety agencies require a
normal-blow fuse with 20A maximum rating to be
installed in the ungrounded lead. A lower rated fuse can
be used based on the maximum inrush transient energy
and maximum input current.
Remote on/off can be controlled by an external switch
between the on/off terminal and the Vi (-) terminal. The
switch can be an open collector or open drain. For
negative logic if the remote on/off feature is not used,
please short the on/off pin to Vi (-). For positive logic if the
remote on/off feature is not used, please leave the on/off
pin to floating.
Soldering and Cleaning Considerations
Post solder cleaning is usually the final board assembly
process before the board or system undergoes electrical
testing. Inadequate cleaning and/or drying may lower the
reliability of a power module and severely affect the
finished circuit board assembly test. Adequate cleaning
and/or drying is especially important for un-encapsulated
and/or open frame type power modules. For assistance
on appropriate soldering and cleaning procedures,
please contact Delta’s technical support team.
Figure 16: Remote on/off implementation
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Output Voltage Adjustment (TRIM)
THERMAL CONSIDERATIONS
To increase or decrease the output voltage set point,
connect an external resistor between the TRIM pin and
either the SENSE(+) or SENSE(-). The TRIM pin
should be left open if this feature is not used.
Thermal management is an important part of the
system design. To ensure proper, reliable operation,
sufficient cooling of the power module is needed over
the entire temperature range of the module.
Convection cooling is usually the dominant mode of
heat transfer.
For trim down, the external resistor value required to
obtain a percentage of output voltage change △% is
defined as:
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
511
Rtrim down
10.22
K
Thermal Testing Setup
Ex. When Trim-down -20% (3.30V×0.8=2.64V)
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments encountered in most electronics
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in
which the power modules are mounted.
511
20
Rtrim down
10.22
K
15.33
K
For trim up, the external resistor value required to
obtain a percentage output voltage change △% is
defined as:
The following figure shows the wind tunnel
characterization setup. The power module is mounted
on a test PWB and is vertically positioned within the
wind tunnel. The space between the neighboring PWB
and the top of the power module is constantly kept at
6.35mm (0.25’’).
5.11Vo (100 ) 511
Rtrim up
10.22
K
1.225
Ex. When Trim-up +10% (3.3V×1.1=3.63V)
5.113.3 (100 10) 511
Rtrim up
10.22 90.1
K
1.22510
10
PWB
MODULE
FANCING PWB
The output voltage can be increased by both the remote
sense and the trim, however the maximum increase is
the larger of either the remote sense or the trim, not the
sum of both.
When using remote sense and trim, the output voltage
of the module is usually increased, which increases the
power output of the module with the same output
current.
AIR VELOCITY
AND AMBIENT
TEMPERATURE
SURED BELOW
THE MODULE
Care should be taken to ensure that the maximum
output power of the module remains at or below the
maximum rated power.
AIR FLOW
Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
Figure 17: Wind tunnel test setup
Thermal Derating
Heat can be removed by increasing airflow over the
module. To enhance system reliability, the power
module should always be operated below the
maximum operating temperature. If the temperature
exceeds the maximum module temperature, reliability
of the unit may be affected.
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THERMAL CURVES
THERMAL CURVES
(WITHOUT HEAT SPREADER)
(WITH HEAT SPREADER)
HOT SPOT2
HOT SPOT1
NTC RESISTOR
AIRFLOW
AIRFLOW
Figure 18: * Hot spot 1& NTC resistor temperature measured
points
Figure 20: * Hot spot 2 temperature measured point
V48SC3R320(Standard) OutputCurrentvs.AmbientTemperature and AirVelocity
V48SC3R320(Standard) OutputCurrentvs.AmbientTemperature and AirVelocity
OutputCurrent(A)
OutputCurrent(A)
@Vin = 48V (Either Orientation)
@Vin = 48V (Either Orientation,with HeatSpreader)
20
20
Natural
Convection
Natural
Convection
16
16
100LFM
100LFM
200LFM
200LFM
12
12
300LFM
400LFM
8
8
4
0
4
0
25
30
35
40
45
50
55
60
65
70
75
80
85
25
30
35
40
45
50
55
60
65
70
75
80
85
AmbientTemperature (℃)
AmbientTemperature (℃)
Figure 19: Output current vs. ambient temperature and air
velocity @Vin=48V(Either Orientation, airflow from Vin- to
Vin+,without heat spreader)
Figure 21: Output current vs. ambient temperature and air
velocity @Vin=48V(Either Orientation, airflow from Vin- to
Vin+,with heat spreader)
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PICK AND PLACE LOCATION
RECOMMENDED PAD LAYOUT (SMD)
SURFACE-MOUNT TAPE & REEL
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P11
LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE(for SMD models)
Note: The temperature refers to the pin of V48SC, measured on the +Vout pin joint.
LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE(for SMD models)
Temp.
Peak Temp. 240 ~ 245 ℃
217℃
200℃
Ramp down
max. 4℃/sec.
Preheat time
100~140 sec.
150℃
25℃
Time Limited 90 sec.
above 217℃
Ramp up
max. 3℃/sec.
Time
Note: The temperature refers to the pin of V48SC, measured on the +Vout pin joint.
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MECHANICAL DRAWING (WITH HEAT SPREADER)
For modules with through-hole pins and the optional heatspreader, they are intended for wave soldering assembly
onto system boards; please do not subject such modules through reflow temperature profile.
Note: All pins are copper with matte Tin(Pb free) plated over Nickel under plating.
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MECHANICAL DRAWING (WITHOUT HEAT SPREADER)
Surface-mount module
Through-hole module
Note: All pins are copper alloy with matte Tin(Pb free) plated over Nickel under plating.
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P14
PART NUMBERING SYSTEM
V
48
Input Number of Product Output
Voltage Outputs Series
S
C
3R3
20
N
N
F
A
Form
Factor
Output
ON/OFF
Logic
Pin
Option Code
Voltage Current
Length
N - 0.145”
R - 0.170”
M - SMD pin
F -
V -
48-
S –
C-
3R3-
3.3V
20-
N –
A – Standard Function
H– With Heatspreader
RoHS 6/6
Sixteenth
Brick
36V~75V
Single
Series
20A
Negative
(Lead Free)
Number
Space - RoHS5/6
MODEL LIST
MODEL NAME
INPUT
OUTPUT
EFF @ 100% LOAD
V48SC3R320NNFA
36V~75V
2.2A
3.3V
20A
91.0%
Default remote on/off logic is negative and pin length is 0.170”
For different remote on/off logic and pin length, please refer to part numbering system above or contact your local sales office.
For modules with through-hole pins and the optional heatspreader, they are intended for wave soldering assembly onto system
boards; please do not subject such modules through reflow temperature profile.
CONTACT: www.deltaww.com/dcdc
USA:
Telephone:
East Coast: 978-656-3993
West Coast: 510-668-5100
Fax: (978) 656 3964
Email: DCDC@delta-corp.com
Europe:
Asia & the rest of world:
Telephone: +886 3 4526107
ext 6220~6224
Fax: +886 3 4513485
Email: DCDC@delta.com.tw
Phone: +31-20-655-0967
Fax: +31-20-655-0999
Email: DCDC@delta-es.com
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available
upon request from Delta.
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by
Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to
revise these specifications
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P15
相关型号：
V48SH05017NNFA
Delphi Series V48SH, 1/16th Brick 100W DC/DC Power Modules: 48V in, 5V, 17A out
DELTA
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