ISOLATED DC/DC CONVERTERS
48 Vdc Input 12 Vdc /12 A Output
0RCY-C2T12x
RoHS Compliant
Rev.B
Isolated
High Efficiency
Output Over-Voltage Shutdown
OCP/SCP
Over Temperature Protection
Output Voltage Trim
Remote On/Off
Positive/Negative Remote Sense
High Power Density
Fixed Frequency (300 kHz)
Low Cost
Input Under-Voltage Lockout
Basic Insulation
Description
The 0RCY-C2T12x is isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide
up to 144 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 eighth brick package.
Part Selection
Output
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
Voltage
12 Vdc
48 Vdc
12 A
144 W
93%
0RCY-C2T120
0RCY-C2T12L
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
Input Voltage (continuous)
Input Voltage (Transient)
Remote On/Off
Min
-0.3 V
-
Typ
Max
80 V
Notes
-
-
-
-
-
100 V
18 V
100 mS
-0.3 V
-40 C
-55 C
Ambient Temperature
Storage Temperature
85 C
125 C
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
36 V
48 V
75 V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
-
-
-
-
5.0 A
120 mA
15 mA
60 mA
10 mA
Input Reflected Ripple Current
(rms)
With simulated source impedance of 10 uH,
5Hz to 20MHz. Use a 100 uF/100 V
electrolytic cap with ESR=1 ohm max, at
200 KHz@25°C.
-
5 mA
10 mA
Input Reflected Ripple Current
(pk-pk)
I2t Inrush Current Transient
-
-
25 mA
40 mA
0.1 A2s
0.5 A2s
Turn-on Voltage Threshold
Turn-off Voltage Threshold
33 V
31 V
34 V
32 V
36 V
34 V
Note: All specifications are typical 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
