Tag Archives: 12v dc power supply

Triple Output DC Power Supply

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This is the circuit diagram of triple output power supply. The output given are: Adjustable output +1.25V to +20VDC Splited / dual polarity output +12VDC and -12VDC Splited / dual polarity output +5VDC and -5VDC This is a low-cost and easy built power supply for multipurpose usage. It fulfils the requirements… Read more »

12V Regulated Power Supply circuit

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This circuit is the basic 12V Regulated Power Supply circuit diagram: The above circuit applied a zener diode 13 volts, D2 which is used as voltage regulator. Aprroximately 0.7 volts are dropped across the transistors Basic-Emitter junction, leaving more of a current supply output 12.3 volts. This circuit can supply… Read more »