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:: Home » Power supply » Page 3

Power supply

7805 datasheet voltage regulator IC: Pinout and example circuits

Last Updated on: July 6, 2022 by Apichet Garaipoom
7805 datasheet voltage regulator IC: Pinout and example circuits

Here is the 7805 5V voltage regulator datasheet the 7805 voltage regulator IC. They are designed to provide a constant 5V. Read more

Categories Power supply, Basic Electronics Tags 5V Leave a comment

Ham radio power supply circuit with RFI elimination

Last Updated on: July 13, 2022 by Apichet Garaipoom
Ham Radio Power Supply circuit with RFI elimination

Here is Ham radio power supply circuit using LM350T x4 in parallel for Amateur radio CB/RF/VHF. The output is 13.8V at 10A current. It is good circuit with PCB low noise RFI elimination. Read more

Categories Variable Supply, Power supply Tags High current Power Supply 2 Comments

High Current 12V-13.8V at 30A,25A,20A,15A Power Supply

Last Updated on: July 14, 2022 by Apichet Garaipoom
High Current 12V-13.8V at 30A,25A,20A,15A Power Supply

CAR Radio transmitters to use in home, need a ham radio power supply DC-12V or high current 13.8V power supply with enough power out of 5A – 30A. […] Read more

Categories Power supply Tags 12V Power Supply, High current Power Supply 70 Comments

USB 5V to 1.5V/ 3V Step Down Converter Circuit

Last Updated on: April 17, 2022 by Apichet Garaipoom
USB 5V to 1.5V/ 3V Step Down Converter Circuit

See USB 5V to 1.5V/3V Step Down Converter Circuit using LM317. With this, we can use MP3 players (requires only 1.5V AA battery) with USB(5V). Read more

Categories Power supply, DC converters 23 Comments

Simple transformerless power supply circuits

Last Updated on: June 20, 2022 by Apichet Garaipoom
DC regulated transformerless Power Supply

Learn these transformerless power supply circuits, use a capacitor instead, it smaller and lighter than transformer. There are circuits as follows. Read more

Categories Power supply Tags 9V Power Supplies, Negative Power Supplies, 6V Power Supplies, Transformerless Power Supply Circuits 77 Comments
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  • Amplifiers (94)
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  • Power supply (86)
    • Variable Supply (20)
    • Switching Mode (15)
  • Inverters (14)
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  • Digitals & Microcontrollers (35)
  • Controls & Timers (55)
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Recents Comments

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