The 0RQB-C5U54 is an isolated DC-DC converter that operates from a nominal 24 / 48 VDC source. This unit will provide up to 162 W of output power from a nominal 24 / 48 VDC input. This unit is designed to be highly efficient. Features include over current protection, over voltage protection and input under-voltage lockout. 24 / 48 VDC Input 54 VDC 3 A Output 1/4th Brick Converter Fixed Frequency High Efficiency Output Over-Voltage Protection Over Temperature Protection Input Over / Under Voltage Lockout Over Current and Short Circuit Protection Approved to UL/CSA 62368-1 Approved to IEC/EN 62368-1 Class II, Category 2, Isolated DC-DC Converter (refer to IPC-9592B) Industrial Computers and Peripherals Telecommunications 2 0RQB-C5U54 INPUT MAX. OUTPUT MAX. OUTPUT TYPICAL MODEL NUMBER OUTPUT VOLTAGE VOLTAGE CURRENT POWER EFFICIENCY 0RQB-C5U54LG 54 VDC 24 / 48 VDC 3 A 162 W 89% 0RQB-C5U540G 0 R QB - C5 U 54 x G Mounting RoHS Series Output Input Output Package Active Logic Type Status Name Power Range Voltage Type L Active Low, with Baseplate Through Hole Tray RoHS 1/4th Brick 162 W 24 / 48 V 54 V Mount package 0 Active High, with Baseplate PARAMETER DESCRIPTION MIN TYP MAX UNITS Input Voltage Continuous Non-operating -0.5 - 80 V Remote On/Off -0.3 - 15 V Input to output Isolation Voltage - - 2250 VDC Temperature measured at the center of the -40 - 90 C baseplate, full load Operating Temperature Temperature measured at the center of the -40 - 95 C baseplate, half load Thermal Resistance Baseplate to heatsink, flat greased surface - 0.24 - C /W Storage Temperature -55 - 125 C Altitude - - 2000 m NOTE: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. All specifications are typical at 25C unless otherwise stated. PARAMETER DESCRIPTION MIN TYP MAX UNIT Operating Input Voltage 18 - 75 V Input Current - - 11 A Input Current (no load) - 100 150 mA Vin = 48 V, Ta = 25 C With simulated source impedance of 12 H, Input Reflected Ripple Current (rms) - - 15 mA 5 Hz to 20 MHz. Use a 47 F/100 V electrolytic capacitor with ESR =1 ohm max, Input Reflected Ripple Current (pk-pk) - - 50 mA at 25C. Under-Voltage Turn on Voltage Turn on threshold 16 16.8 17.5 V Threshold Under-Voltage Turn off Voltage Lockout turn off, non-latching 14 15 15.5 V Threshold Over-Voltage Shutdown Threshold Auto-recovery and non-latching. 76.5 78 80.3 V Over-Voltage Recovery Threshold 76 77 78 V Input Fast-Acting Fuse Recommended (on system board) - 15 - A CAUTION: This converter is not internally fused. An input line fuse must be used in application. tech.support psbel.com