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:: Home » Power supply » Page 3

Power supply

1.5V/3V Step down switching regulator(5V input) using KA34063

Last Updated on: June 23, 2023 by Apichet Garaipoom
1.5V Step down switching regulator(5V input) using KA34063

It is a 1.5V Step down Switching regulator using KA34063/MC34063. Imagine you have an old MP3 player it needs a 1.5V battery. But you only have the power bank, USB port 5V output. Sure, it doesn’t work. Therefore, this circuit is a good solution. Read more

Categories Switching Mode, 555 Timer 1 Comment

0-30V Variable Power Supply at 3A

Last Updated on: October 21, 2022 by Apichet Garaipoom
0-30V Variable Power Supply at 3A

Let’s create a 0-30V 3A Laboratory DC Power Supply. High efficiency variable regulator that new circuit design using UA723 and TIP3055 Read more

Categories Variable Supply, Power supply Tags LM723 46 Comments

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 2 Comments

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 71 Comments
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