Multiple output switching power supply circuit Schematic Diagram

  
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This power supply uses two VN400A 400 Volts MOSFETs in a half-bridge power switch configuration. Each output consists of +5V at 20 A and 15 V at 1 A. Three-terminal regulators are used for the low-currents outputs, either 12 Volts or 15 Volts can be made available with a simple change in the transformer secondary windings. Schematic diagram belo
Multiple output switching power supply circuit Schematic Diagram - schematic

w : IC TL494 switching regulator IC provides pulse-with modulation control and drive signals for the power supply, The upper MOSFET, Q7, in the power switch stage is driven by a simple transformer drive circuit. The lower MOSFET, Q6, since it ground referenced, is directly driven from the control IC. You are reading the Circuits of Multiple output switching power supply circuit And this circuit permalink url it is



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