Making an adjustable “lab” power supply from scrap
Regulated power supply

Making an adjustable “lab” power supply from scrap

Had an old power supply board lying around that was ripped from dead/old printer. PSU model is CZ57PSE EPSON

C257PSE

To make it work one should connect PSC line to ground.

Schematics of similar power supply:

CZ57PSE schematics
CZ57PSE schematics

To regulate output, made an adjustable voltage regulator using LM2575 that was ripped of some dead router or something similar:

lm2575
lm2575

Finished power supply in a box:

Regulated power supply
Regulated power supply
Regulated power supply
Regulated power supply
Regulated power supply
Regulated power supply
Regulated power supply
Regulated power supply

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