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0RQ1-C5T03X Datasheet, PDF (1/7 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input 3.3 Vdc /45 A Output
0RQ1-C5T03x RoHS Compliant PRELIMINARY Rev.D
• Isolated
• Fixed Frequency (300 kHz)
• High Efficiency
• High Power Density
• Input Under Voltage Lockout
• Output Voltage Trim
• Positive/Negative Remote Sense
• Low Cost
• Output Over-Voltage Shutdown
• Over Temperature Protection
• SCP/OCP
• Remote On/Off
• Basic Isolation
Description
The 0RQ1-C5T03x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will
provide up to 148.5 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 and under-voltage lockout. This converter is
provided in an industry standard quarter brick package.
Part Selection
Output
Voltage
Input Voltage
3.3 Vdc 36 Vdc - 75 Vdc
Max. Output
Current
45 A
Max. Output
Power
148.5 W
Typical
Efficiency
92%
Model Number
Active High
0RQ1-C5T03A
Model Number
Active Low
0RQ1-C5T03B
3.3 Vdc 36 Vdc - 75 Vdc
45 A
148.5 W
92%
0RQ1-C5T033 0RQ1-C5T03L
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
Continuous Input Voltage
-0.3 V
-
80 V
Remote On/Off
-0.3 V
-
18 V
Ambient Temperature
-40 °C
-
85 °C
Storage Temperature
-55 °C
-
125 °C
Note: All specifications are typical at 25 °C unless otherwise stated.
Notes
Input Specifications
Parameter
Input Voltage
Min
36 V
Typ
48 V
Max
75 V
Notes
Input Current (full load)
-
-
5.2 A
Input Current (no load)
-
80 mA
120 mA
Remote Off Input Current
-
10 mA
15 mA
Input Reflected Ripple Current
(pk-pk)
Input Reflected Ripple Current
(rms)
I2t Inrush Current Transient
-
25 mA
40 mA
With simulated source impedance of 10
uH, 5 Hz to 20 MHz; use a 100 uF/100 V
electrolytic capacitor with ESR = 1 ohm
-
5 mA
10 mA
max at 200 kHz
-
0.1 A2s
0.5 A2s
Turn-on Voltage Threshold
33 V
34.5 V
36 V
Turn-off Voltage Threshold
31 V
32.5 V
34 V
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com