+15 Volt 1 Amp Regulated Power Supply

+15Volt 1 Amp Regulated Power Supply

The actual supply takes +20 Volt Dc through the dioda bridge or filter part. This can be given to pins 11 and 12 on ua723, and also for the collector  2N3055 series-pass transistor. All the output voltage will be sampled through R1 and R2, giving around 7 Volt relating to ground at pin 4. The reference terminal at pin 6 is linked right to pin 5, the noninverting input of the error amplifier.

For nice trimming the output voltage, a potensiometer might be added among R1 and R2. A 100-pF capacitor right from pin 13 to pin 4 furnishes gain compensation for amplifier. ( Texas Instrument, Linear and Interface Circuit Applications, Vol. 1  )

Tags: 15 Volt power supply 1A power supply ua723 regulator

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