Power Supply circuits diagram electronics projects

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Power Supply circuits diagram electronics projects: battery chargers, switching power supply , ac power supply, dc dc converters, power inverter, converters and power adapters .

Laptop power supply circuit using TOP269EG

This laptop power supply circuit diagram is designed by Power Integrations, using TOP269EG integrated controller.

Circuit Diagram: 
Laptop power supply TOP269EG

0-220V voltage dimmer circuit

A simple voltage dimmer circuit that can be used to adjust the output voltage between 0 and 220 volts, can be made using electronic diagram below.

Circuit Diagram: 
0-220V voltage dimmer circuit

High current power supply using L4970A L4974A 5-12V

Using L4970A and L4974A step down monolithic power switching regulators can be made using few external electronic components a high current power supply electronic project.

Circuit Diagram: 
L4970A L4974A power supply coil cores
High current power supply diagram using L4970A L4974A 5-12V


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