0RHB-C5T Datasheet, PDF (1/6 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS 48 V Input 3.3 V/50 A, 5.0 V/30 A Output

ISOLATED DC/DC CONVERTERS
48 V Input 3.3 V/50 A, 5.0 V/30 A Output
0RHB-C5T Series RoHS Compliant PRELIMINARY
• Isolated
• High Efficiency
• High Power Density
• Low Cost
• Fixed Frequency (330 kHz)
• Input Under/Over Voltage Lockout
• UL60950 Recognized (UL/cUL)
• Output Over Voltage Shutdown
• OCP/SCP
• Over Temperature Protection
• Remote On/Off
• Output Voltage Trim
• Positive/Negative Remote Sense
Description
The 0RHB-C5T Series are isolated dc/dc converters that operate from a nominal 48 V source. This unit will
provide up to 165 W of output power from a nominal 48 V input. This unit is designed to be highly efficient and
low cost. It is provided in an industry standard half-brick package.
Part Selection
Output
Input
Voltage
Voltage
5.0 V
48 V
Max. Output
Current
30 A
Max. Output
Power
150 W
Typical
Efficiency
93.0%
Model Number
Active High
0RHB-C5T050
3.3 V
48 V
50 A
165 W
92.5%
0RHB-C5T033
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Model Number
Active Low
0RHB-C5T05L
0RHB-C5T03L
Absolute Maximum Ratings
Parameter
Min
Typ
Input Voltage (continuous)
-0.3 V
-
Remote On/Off
-0.3 V
-
I/O Isolation Voltage
-
-
Ambient Temperature
-40 °C
-
Storage Temperature
-55 °C
-
Max
80 V
18 V
2000 V
85 °C
125 °C
Notes
Input Specifications
Parameter
Min
Input Voltage
36V
Input Current (full load)
Vo=5.0 V
-
Vo=3.3 V
-
Input Current (no load)
-
Remote Off Input Current
Input Reflected Ripple Current (pk-pk)
-
Typ
48 V
-
-
120 mA
5 mA
20 mA
Max
75 V
5.0 A
5.2 A
180 mA
20 mA
40 mA
Input Reflected Ripple Current (rms)
-
5 mA
10 mA
I²t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
Input Over Voltage Threshold
-
31 V
29 V
76 V
0.05 A²s
-
-
-
0.1 A²s
35 V
33 V
80 V
Note: All specifications are typical at 25 °C unless otherwise stated.
Notes
Tested with simulated source impedance
of 10 uH, 5 Hz to 20 MHz; use a 100 uF
/100 V electrolytic capacitor with ESR =
1 ohm max. at 200 kHz at 25 °C.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com