Tag Archives: LM338

Adjustable Power Supply 1.2 – 30V 5A using LM338

If you want to a variable dc voltage power supply circuit during 1.2V to 30Vdc and can provide a current maximum to 5A. We may be have the many ways such as: to be modified the LM317 Variable Regulator 0-30V 1A by add the power transistor MJ2955 in circuit following… Read more »

Single Output Power Supply 12V / 5A based on LM338

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This Single output 12 V / 5A power supply provides power for equipment that requires a large energy (Audio amplifier for car radio, CB, etc.). It is built around a voltage regulator like the LM338 and capable of providing voltages between 12V and 15 V (13.8 V for example). This… Read more »

Adjustable Power Supply 1.2 – 30V 5A using LM338

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If you want to a variable dc voltage power supply circuit during 1.2V to 30Vdc and can provide a current maximum to 5A. We may be have the many ways such as: to be modified the LM317 Variable Regulator 0-30V 1A by add the power transistor MJ2955 in circuit following… Read more »

High power supply regulater 0-30V 20A by LM338

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High power DC regulator 4-20 volts 20 amps by LM338 This is High current and Adjustable Volt 0 to 30V 20A. It easy circuit and nice circuit, Because use IC LM338 and IC 741. Volt Output adj by VR1-1K. IC LM338 to hold heat-sink. Transformer is 20A up. I find… Read more »

1-20V 10A adjustable dc power supply by LM338

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1.2V-20V 10A adjustable dc power supply by LM338 A friend of me side radio amateur office. He wants Variable Regulate Power Supply high current about 10A go up. I then advise this circuit , because build easy. Use IC LM338 and IC LM107 again normal IC LM338 have current about… Read more »

LM338 / LM350 / LM317 VOLTAGE REGULATOR CALCULATOR

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You can use this calculator to vary the value of the program resistor (R1) and output set resistor (R2) and calculate the output voltage for the LM317 / LM338 / LM350 family of three terminal adjustable regulators. This calculator will work for most DC Voltage Regulators with a reference voltage… Read more »

LM338 / LM350 / LM317 VOLTAGE REGULATOR CALCULATOR

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You can use this calculator to vary the value of the program resistor (R1) and output set resistor (R2) and calculate the output voltage for the LM317 / LM338 / LM350 family of three terminal adjustable regulators. This calculator will work for most DC Voltage Regulators with a reference voltage… Read more »

High power supply regulater 0-30V 20A by LM338

Schematic Diagrams      Comments Off on High power supply regulater 0-30V 20A by LM338

High power DC regulator 4-20 volts 20 amps by LM338 This is High current and Adjustable Volt 0 to 30V 20A. It easy circuit and nice circuit, Because use IC LM338 and IC 741. Volt Output adj by VR1-1K. IC LM338 to hold heat-sink. Transformer is 20A up. I find… Read more »