How to Build Multi-Output Power Supply: 32VDC 100mA, 7.5VDC 150mA, 4.25VAC 350mA

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#1 21676861 04 Jan 2017 08:13

rupert kenna rupert kenna

Anonymous

Post #1
21676861 04 Jan 2017 08:13

I want to replace a power supply to a gadget, The gadget requires these inputs:

32 VDC 100mA

7.5 VDC 150mA

4.25 VAC 350mA

Please could you suggest best way to build such a supply both using

... mains 240 VAC input

and/or

... using 5VDC USB ideally with a pass thru battery
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#2 21676862 04 Jan 2017 20:41

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21676862 04 Jan 2017 20:41

I'm not certain what you mean by the best way to build this supply. There are power supplies made to do this like this one http://www.dscpower.com/html/dual_input_40w.html. But if you are aiming to build your own supply, here is a patent that you could refer to in your design steps. https://www.google.com/patents/US6650560
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