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Subject: Regulated Power Supply Design

Date: 04/04/03 at 10:06 AM
Posted by: Brian
E-mail: swbrian2001@yahoo.com.hk
Message Posted:

Hi all,

I am trying to design a regulated power supply with the following specifications:

Input Voltage: DC 4.75(min), 50V (max)
Output Voltage: DC 4.2V
Current Consumption: 20mA (max)
Operating Temperature: -25 to 70 degrees Celsius
PCB Size: <33.0mmx18.7mm

I found it pretty difficult to design such a circuit.
Would anybody have any idea, please kindly let me know.

Thanks a lot

Brian


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