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September 18, 2018, 10:42:39 22:42


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Author Topic: Dual Power Supply LM317 LM337 with 2N5884 2N5886 Pass Transistor 0 to 40V 20A  (Read 382 times)
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Wumudapy
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« on: September 14, 2018, 06:41:20 18:41 »

Dual Power Supply LM317 LM337 with Pass Transistor 2N5884 2N5886 0 to 40V 20A Schematic I'm planning to build for testing DIY audio amps. Big heatsink required.

Change R7 R5, R8 R6 ratio for desired output voltage range. Change R11 R12 for desired current limiting

Feel free to comment or improve.
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optikon
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« Reply #1 on: September 15, 2018, 07:46:40 07:46 »

Source for the transformer?
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Sideshow Bob
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« Reply #2 on: September 15, 2018, 08:19:04 08:19 »

Here I think a LM723 variant would be better in any way to much of the same price. Like adjustable current limiting. Both variants would be linear though
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Wumudapy
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« Reply #3 on: September 15, 2018, 01:42:49 13:42 »

Source for transformer http://www.antekinc.com

Posted on: September 15, 2018, 12:55:50 12:55 - Automerged

I went for the LM317 LM337 because of the higher current handling and "internal current limiting, thermal shutdown and safe area compensation, making it essentially blow−out proof" (datasheet quote"
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