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0RFB-S0T280 Datasheet, PDF (1/9 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS
ISOLATED DC/DC CONVERTERS
48 Vdc Input 28 Vdc /25 A Output
0RFB-S0T280
RoHS Compliant
Rev.C
• Isolated
• Fixed Frequency (300 kHz)
• High Efficiency
• High Power Density
• Low Cost
• Input Over-Voltage Lockout
• Input Under-Voltage Lockout
• Basic Isolation
• Over Temperature Protection
Lockout
• Output Over-Voltage Latch Off
• SCP/OCP (Hiccup Mode)
• Isolation Remote On/Off
• Auxiliary Bias Power
• Inverter Operation Good
(Power Good)
• Heatsink for Extended Operation
(Option)
• Parallel Operation Using Forced
Current Sharing (Option)
Description
The 0RFB-S0T280 is an isolated dc/dc converter that operates from a nominal 48 Vdc source. These units will
provide up to 700 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and
low cost. Features include remote on/off, over current protection, input under-voltage and over-voltage lockout.
This converter is provided in an industry standard full brick package.
Part Selection
Output
Voltage
28 Vdc
Input Voltage
48 Vdc
Max. Output
Current
25 A
Max. Output
Power
700 W
Typical
Efficiency
91%
Model Number
0RFB-S0T280
Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Input Voltage
-0.3 V
-
80 V
Remote On/Off
-10 mA
-
5 mA
I/O isolation voltage
-
-
1500 V
Ambient Temperature
-40 °C
-
100 °C
Storage Temperature
-55 °C
-
125 °C
Note: All specifications are typical at 25 °C unless otherwise stated.
Notes
It's the temperature of baseplate.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com