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NON-ISOLATED DC/DC CONVERTERS
12 Vdc Input
0.9 Vdc - 5.0 Vdc/20 A Output
xRPF-20A1A0
RoHS Compliant
Rev.A
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?
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?
?
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Non-Isolated
Fixed Frequency (275 kHz)
High Efficiency
High Power Density
Power Good Output Signal (open
collector)
Under-Voltage Lockout (UVLO)
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?
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Wide Trim Range
Converter Can Sink and Source
Current
OCP/SCP
Remote On/Off
Low Cost
Description
The Bel xRPF-20A1A0 is a new high density open frame non-isolated converter series for space sensitive
applications. Each model has a wide input range (10.2 Vdc - 13.8 Vdc) and offers a wide range of output voltage
(0.9 Vdc - 5.0 Vdc) with a 20 A load. An external resistor adjusts the output voltage from its pre-set value of 0.9
Vdc to any value up to the 5.0 Vdc maximum. Typical efficiency is 92% at Vo=5 Vdc, Vin=12 Vdc at full load.
Typical features include remote on/off, under-voltage lockout, over-current protection and short circuit protection.
Part Selection
Output
Voltage
0.9 V - 5.0 V
Input
Voltage
12 V
Max. Output
Current
20 A
Max. Output
Power
100 W
Typical
Efficiency
92%
Model Number
Vertical Mount
VRPF-20A1A0
Model Number
Horizontal Mount
0RPF-20A1A0
Notes : 1. Add “G” suffix at the end of the model number to indicate Tray Packaging.
3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
Storage Temperature
Min
-0.3 V
-0.3 V
0 ° C
-40 ° C
Typ
-
-
-
-
Max
13.8 V
13.8 V
80 ° C
125 ° C
Notes
Input Specifications
Parameter
Input Voltage
Min
10.2 V
Typ
-
Max
13.8 V
Notes
Input Current (Source)
Input Current (Sink)
Vo=5.0 V
Vo=2.5 V
Vo=0.9 V
-
-
-
9.1 A
4.9 A
2.2 A
-
-
-
Able to sink 20 A output current at any
Input Current (No Load)
Remote Off Input Current
Vo=2.5 V
Vo=0.9 V
-
-
-
-
-3.44 A
-0.97 A
95 mA
5 mA
-
-
-
10 mA
output voltage up to and including 2.5
V.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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