ISOLATED DC/DC CONVERTERS
48 V Input 1.2 V - 2.5 V/80 A, 3.3 V/70 A, 5 V/48 A, 12 V/20 A Output
0RHB-D0T Series RoHS Compliant
PRELIMINARY
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Isolated
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Output Over Voltage Shutdown
OCP/SCP
High Efficiency
High Power Density
Low Cost
Over Temperature Protection
Remote On/Off
Input Under Voltage Lockout
Fixed frequency (330 kHz)
Basic Isolation
Output Voltage Trim
Positive/Negative Remote Sense
Remote On/Off Logic (option)
UL60950 Recognized(UL/cUL)
Input Over Voltage Lockout
Description
The 0RHB-D0T Series are isolated dc/dc converters that operate from a nominal 48 V source. These units
provide up to 200 W of output power from a nominal 48 V input. These units are designed to be highly efficient
and low cost. Features include remote on/off, over current protection and under voltage lockout. These
converters are provided in an industry standard half-brick package.
Part Selection
Output
Input
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
Voltage
Voltage
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
36 V - 75 V
36 V - 75 V
36 V - 75 V
36 V - 75 V
36 V - 75 V
36 V - 75 V
36 V - 75 V
20 A
48 A
70 A
80 A
80 A
80 A
80 A
240 W
240 W
231 W
200 W
144 W
120 W
96 W
94%
92.5%
92%
91%
89%
87%
85%
0RHB-D0T120
0RHB-D0T050
0RHB-D0T033
0RHB-D0T025
0RHB-D0TV80
0RHB-D0TV50
0RHB-D0TV20
0RHB-D0T12L
0RHB-D0T05L
0RHB-D0T03L
0RHB-D0T02L
0RHB-D0TV8L
0RHB-D0TV5L
0RHB-D0TV2L
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Notes
Input Voltage (continuous)
-0.3 V
-
80 V
Remote On/Off
-0.3 V
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-
-
18 V
2000 V
85 °C
I/O Isolation Voltage
Ambient Temperature
Storage Temperature
-40 °C
-55 °C
125 °C
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com