High Current Power Supply IC7812

Tuesday, January 16th, 2018 - Power Supply Circuit

High current power supply IC7812 can provide output with a large current capacity when added to the current amplifier circuit as shown in FIG power supply circuit current below the 7812 high. High current power supply IC7812 on the circuit below can provide a stable output voltage to 12 volts DC and a maximum current that can be streamed 35A. A good power supply circuit is a power supply that can provide a stable output voltage even if the load gets changed, the power supply circuit in the circuit below the expected results so as to output voltage remains at the level of 12 volts. Circuit of high current power supply IC7812 is composed of several parts as shown in the following circuit schematic.

Circuit Of High Current Power Supply IC7812

High Current Power Supply IC7812

Above power supply circuit is a series power supply with a fixed output voltage. Still used as a voltage regulator IC LM7812 regulator to be able to provide power supply output voltage remains at 12 volts DC voltage level.

Components Of The High Current Power Supply IC7812

Circuit of high current power supply IC7812 as shown in the image above consists of several parts that function as follows.

A step-down AC voltage of 220 volts is transformer with an output of 24 volts and the current 25A without CT.

Diode bridge serves as a component voltage full wave rectifier (full wave rectifier) ​​of the output transformer.

4700uF capacitor filter or filter serves as the first of a wave proceeds DC full-wave rectifier diode bridge.

The voltage regulator uses a voltage regulator IC LM7812 as to obtain an output of 12 volts DC.

Power regulator is a series of 6 parallel transistors TIP2955 which serves to enhance the ability of drain current at 12 volts voltage regulator IC IC LM7812.

Voltmeter as a measurement circuit output voltage, high current power supply 7812 which serves to show the level of output voltage high current power supply IC7812.

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