Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302

• Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

ISOLATED DC/DC CONVERTERS

36 Vdc - 75 Vdc Input

12 Vdc /6 A Output

•

Isolated

•

Output Over-Voltage Shutdown

•

High Efficiency

•

OCP/SCP

•

High Power Density

•

Over Temperature Protection

•

Fixed Frequency (330 kHz)

•

Low Cost

•

Input Under-Voltage Lockout

•

Output Voltage Trim

•

Pre-bias Start Up

•

UL60950-1 Recognized (UL/cUL)

•

Positive/Negative Remote Sense

•

Basic Insulation

•

Remote On/Off

Description

The 0RCY-50T12x is isolated dc/dc converter that operates from a wide input range (36 Vdc - 75 Vdc). This unit

will provide up to 72 W of output power. The unit is designed to be highly efficient and low cost. Features include

remote on/off, over current protection, over voltage shut down, over temperature protection and under-voltage

lockout. This converter is provided in an industry standard 1/8 brick package.

Part Selection

Output

Voltage

Input Voltage

Max. Output

Current

Max. Output

Power

Typical

Efficiency

Model Number

Active Low

Model Number

Active High

12 Vdc

36 Vdc - 75 Vdc

6 A

72 W

92%

0RCY-50T12L

0RCY-50T120

Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.

2. 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

-

18 V

I/O Isolation Voltage

-

-

1500 V

Input to Each Output Resistance

10M ohm

-

-

Ambient Temperature

-40

°C

-

85

°C

Storage Temperature

-55

°C

-

125

°C

Input Specifications

Parameter

Min

Typ

Max

Notes

Input Voltage

36 V

48 V

75 V

Max Input Current (full load)

-

-

2.4 A

Input Current (no load)

-

50 mA

100 mA

Remote Off Input Current

-

20 mA

30 mA

Input Reflected Ripple Current

(pk-pk)

-

20 mA

30 mA

Tested with simulated source impedance

of 10 uH, 5 Hz to 20 MHz; use a 47

uF/100 V electrolytic cap with ESR = 1

ohm max. at 200 kHz at 25

°C.

I

-

-

0.1 A

Input Fuse (not internally)

-

-

5 A

0RCY-50T12x

RoHS Compliant

Rev.D