DFC15 [POWER-ONE]
DFC15 Single-Output DC-DC Series Data Sheet; DFC15单路输出DC-DC系列数据表
| 型号： | DFC15 |
| 厂家： | 
POWER-ONE |
| 描述： | DFC15 Single-Output DC-DC Series Data Sheet |
| 文件： | 总4页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DFC15 Single-Output DC-DC Series Data Sheet
Description
Features
• RoHS lead solder exemption compliant
• Up to 15 watts output power
• Efficiencies to 83%
• Very low Off current
• 700 V isolation
• Dual-stage output filter
• -40 °C to +90 °C operation
• Ultra-wide range input (3:1)
• Remote On/Off and Trim
The DFC15 Series of DC-DC converters is designed
to provide a wide range of PCB power solutions. The
converters feature dual-output filters for low noise.
Trim and remote On/Off features give flexibility to
designs. The output of the converter is electrically
isolated, thereby allowing the output to be configured
as a positive or negative output voltage. The ultra-
wide input range, from 20 to 60 volts, allows use in
many industrial and communication applications.
Model Selection
Input Range
Output
VDC
Output
mA
VDC
Model
BOTTOM VIEW
2.02
(51.31)
SIDE VIEW
0.040 (1.02) DIA
7 PLACES
Min
Max
20
20
20
60
60
60
5
12
15
3000
1250
1000
DFC15U48S5
DFC15U48S12
DFC15U48S15
4
1.100
(27.94)
0.700
5
(17.78)
Model numbers highlighted in yellow or shaded are not recommended for
new designs.
0.600
1
2
(15.24)
1.62
(41.15)
0.400
(10.16)
0.300
6
7
General Specifications (1)
(7.62)
3
0.000
All Models
Units
0.100
(2.54)
ON/OFF Function (2)
0.31
(7.9)
OFF Logic Level
or Pin Open
MIN
8.0
VDC
OFF Logic Level
MAX
TYP
2.0
VDC
Input Resistance
100
Kohms
Converter Idle Current
ON/OFF Pin Low
Mechanical tolerances unless otherwise noted:
X.XX dimensions: ±0.020 inches
X.XXX dimensions: ±0.005 inches
TYP
<1
mA
Isolation (3)
Isolation Voltage
Input to Output
10 μA Leakage
Input to Output
Capacitance
MIN
TYP
700
300
VDC
pF
Pin
1
Function
+INPUT
-INPUT
ON/OFF
NO PIN
+OUT
Output Trim Function
Input Resistance
2
TYP
MIN
20
±5
Kohms
±
3
Open Circuit Voltage
Environmental
4
5
6
-OUT
Case Operating Range, Tc
No Derating
-40
90
MIN
MAX
¡ C
7
TRIM
-55
105
MIN
MAX
Storage Range
¡ C
Thermal Impedance (5)
TYP
10
¡ C/Watt
General
MTBF (Calculated)
Unit Weight
TYP
TYP
800,000
2/57
HRS
oz/gm
Chassis Mounting Kit
CM2A1
Notes
(1) All parameters measured at Tc = 25°C, nominal input voltage and full rated load unless otherwise noted.
(2) The ON/OFF pin is the Open Collector TTL, CMOS, and relay compatible. The input to this pin is referenced to Pin 2 (-Input)
and is protected to +75VDC.
(3) The Case is tied to Pin 3, +Input pin.
(4) The case thermal impedance is specified as the case temperature rise over ambient per package watt dissipated.
MCD10177 Rev. 1.0, 16-Jun-10
Page 1 of 4
www.power-one.com
DFC15 Single-Output DC-DC Series Data Sheet
Input Parameters (1)
Model
DFC15U48S5
DFC15U48S12
DFC15U48S15
Units
MIN
TYP
MAX
TYP
TYP
20.0
48.0
60.0
915
4
Voltage Range
Input Current
VDC
Full Load
No Load
950
2
905
4
mA
Efficiency
TYP
TYP
79
82
83
±
Switching Frequency
120
kHz
Maximum Input Overvoltage, 100ms
No Damage
Turn-on Time, 1± Output Error
MAX
TYP
75
VDC
ms
5
10
Output Parameters (1)
Model
DFC15U48S5
DFC15U48S12
DFC15U48S15
Units
Output Voltage
5
12
15
VDC
MIN
MAX
0
0
0
Rated Load (3)
mA
3000
1250
1000
MIN
TYP
MAX
4.95
5.00
5.05
11.90
12.00
12.10
14.90
15.00
15.10
Voltage Range
100± Load
VDC
Load Regulation
25-100± Full Load
Line Regulation
TYP
MAX
TYP
MAX
0.5
0.75
0.1
0.1
0.2
0.01
0.1
0.1
0.2
0.01
0.1
±
±
Vin = Min-Max VDC
0.15
Short Term Stability (4)
Long Term Stability
TYP
TYP
< 0.02
< 0.05
±/24Hrs
±/kHrs
Input Ripple Rejection (5)
Noise, 0-20MHz bw (2)
RMS Noise
TYP
TYP
TYP
> 60
60
2
dB
75
3
60
2
mVPP
mVrms
TYP
MAX
50
150
Temperature Coefficient
ppm/°C
Short Circuit Protection
+OUT to -OUT
Continuous Current Limit
Notes
(1) All Parameters measured at Tc=25°C, nominal input voltage
and full rated load unless otherwise noted.
(2) Noise measurement bandwidth is 0-20 MHz. RMS noise is
measured over a 0.01-1 MHz bandwidth. To simulate standard
PCB decoupling practices, output noise is measured with a
1μF/35V tantalum capacitor located 1 inch away from the
converter.
(3) Minimum load required for rated regulation only. Dynamic
response may degrade if run at less than 25% full load.
(4) Short term stability is specified after a 30-minute warmup at full
load, and with constant line, load and ambient conditions.
(5) The input ripple rejection is specified for DC to 120 Hz ripple
with a modulation amplitude of 1% Vin.
MCD10177 Rev. 1.0, 16-Jun-10
Page 2 of 4
www.power-one.com
DFC15 Single-Output DC-DC Series Data Sheet
DFC15 SERIES BLOCK DIAGRAM
OUTPUT POWER DERATING
SHIELDED ISOLATION TRANSFORMER
15
+ OUTPUT
5
+
+
10
5
1
2
+ INPUT
– INPUT
6
7
- OUTPUT
TRIM
CURRENT
MODE
PWM
+
–
ON/OFF
3
ISOLATED
FEEDBACK
LOW TC
BANDGAP
REFERENCE
0
40
50
60
70
80
90
FIVE SIDED SHIELDED COPPER CASE
AMBIENT TEMPERATURE
DFC15 Series Application Notes:
External Capacitance Requirements
No external capacitance is required for operation of the DFC15 Series. However, for maximum performance, it is
recommended that the DFC15 Series use a capacitor of sufficient ripple current capacity connected across the input
pins if a capacitive input source is farther than 1” from the converter. To meet the reflected ripple requirements of the
converter, an input impedance of less than 0.05 Ohms from DC to 200 kHz is required. External output capacitance
is not required for operation, however it is recommended that 1 μF to 10 μF of tantalum and 0.001 to 0.1 μF ceramic
capacitance be selected for reduced system noise. Additional output capacitance may be added for increased
filtering, but should not exceed 400 μF.
Negative Outputs
A negative output voltage may be obtained by connecting the +OUT to circuit ground and connecting -OUT as the
negative output.
Remote ON/OFF Operation
The remote ON/OFF pin may be left floating if this function is not used. It is recommended to drive this pin with an
open collector arrangement or a relay contact. When the ON/OFF pin is pulled low with respect to the -INPUT, the
converter is placed in a low power drain state. Do not drive this input from a logic gate directly; there is a 100 kV
internal pull-up resistor to a 9 volt source.
Output Trim
The TRIM pin may be used to adjust the output ±5% from the nominal setting. This function allows adjustment for
voltage drops in the system wiring, as well 5.2 volt outputs for ECL applications. Figure 1 shows the proper
connections to use this function. A trimpot value of 10 kV should be used for 5 volt outputs. A trimpot value of 20 kV
should be used for 12 and 15 volt outputs. If the TRIM function is not required, the pin may be left floating.
MCD10177 Rev. 1.0, 16-Jun-10
Page 3 of 4
www.power-one.com
DFC15 Single-Output DC-DC Series Data Sheet
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
EFFICIENCY Vs. LOAD
EFFICIENCY Vs. LINE INPUT VOLTAGE
90
85
80
75
70
65
60
85
82
50± FULL LOAD
LINE = 20VDC
LINE = 48VDC
100± FULL LOAD
80
77
75
LINE = 60VDC
0
10 20 30 40 50 60 70 80 90 100
20
25
30
35
40
45
50
55
60
LOAD (%)
LINE INPUT (VOLTS)
INPUT RIPPLE Vs. LINE INPUT
100± FULL LOAD
INPUT CURRENT Vs. INPUT VOLTAGE
1.00
0.80
1.2
1.0
0.8
0.6
75± FULL LOAD
0.60
0.40
50± FULL LOAD
100± LOAD
50± LOAD
0.4
0.2
0.0
0.20
20
25
30
35
40
45
50
55 60
0
10
20
30
40
50
60
LINE INPUT (VOLTS)
LINE INPUT (VOLTS)
OUTPUT VOLTAGE Vs. OUTPUT LOAD
120
100
80
+OUT
TRIM
-OUT
+OUT
TRIM
-OUT
5
7
6
5
TRIM
DOWN
10K
LOAD
LOAD
7
TRIM
UP
60
6
40
20
0
USING TRIMPOT
USING FIXED RESISTORS
Figure 1.
0
20
40
60 80 100 120 140 160 180
OUTPUT LOAD (%)
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical components
in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective
divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date
manufactured. Specifications are subject to change without notice.
MCD10177 Rev. 1.0, 16-Jun-10
Page 4 of 4
www.power-one.com
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