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Current Logic have a strong engineer team, and can provide you with quick turn around customize service. This page list some examples. Welcome to send us your requirements of power supplies.
Current-logic.com DC-DC Converter

400~600VDC input DC-DC Converter for Solar Powered Control System

CZD15-500S24L01 is a customized power module, convert high input voltage (500VDC norminal) to stable 24VDC output, rated output power 15W.
General spec:

Input range: 400~600VDC
Output: 24V @ 0.63A
Size: 110 x 78 x 35mm
Typical Effeciency: 70%
Working Ambient Temperature: -20 ~ +60℃
Line regulation: 1%
Load regulation: 2%
Ripple: 200mV p-p
Input - output isolation: 2000Vac/10mA/1min
Input - output insulation: ≥50MΩ@500Vdc
Overload protect point: 105~150% of rated power
Short circuit protection: yes, can long time short circuit and won't damage the unit
telecom DC-DC Converter

48VDC (36~72VDC) input with multiple outputs for CDMA directly repeater station

CZD700-48S28M01 is a customized power module for repeater station, full complied to EN55022 Class A standard, high safty level.
General spec:

Input range: 36~72VDC
Output: 28V @ 22A;   
9V @ 5A;   
9V(JK) @ 3A;   
16.4V(BAT2)@0.3A
Size: 260 x 125 x 80mm
Typical Effeciency: 85%
Working Ambient Temperature: -20 ~ +75℃
Load regulation: 2%
Ripple: 28V:100mV;
9V:50mV;
16.4V:100mV
Input - output isolation: 1500Vdc/10mA/1min
Overload protect point: 125~150% of rated power
Short circuit protection: yes, can long time short circuit and won't damage the unit