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Variable Supply

It is a power supply circuit that can adjust the output voltage or current. But it still has the same characteristics as a fixed regulated circuit. It will keep a stable voltage when it has any load.

Start with: Simple variable power supply circuit

AC variable power supply, 0-30V 3A

Last Updated on: April 15, 2022 by Apichet Garaipoom
AC variable power supply

This is AC variable power supply circuit that apply output of 0-30V at 3A by use electronic components, bridge diode,and more, to control voltage[…]

Categories Variable Supply, Power supply Tags 0-30V power supply 7 Comments

7805 voltage regulator circuit | Fixed & adjustable output

Last Updated on: June 23, 2022 by Apichet Garaipoom
7805 voltage regulator circuit Fixed & adjustable output

This is IC 7805 adjustable voltage regulator circuit, can adjust voltage output: 5V up to 30V as need 6V,7.5V,8V,9V,10V and 12V etc at 1A it small and cheap[…]

Categories Variable Supply, Power supply 9 Comments

Variable Switch Mode Power Supply circuit, 0-50V 5A

Last Updated on: April 16, 2022 by ElecCircuit.com
variable-switch-mode-power-supply-0-50v-5a-by-tl494-mj15004

It is a great idea. but It is suitable for an old hand!

Categories Variable Supply, Power supply Tags TL494 25 Comments

The Variable High Voltage Power Supply 0-300V

Last Updated on: July 12, 2021 by Apichet Garaipoom
The Variable High Voltage Power Supply 0-300V

it is protected the current over the limit that we define at about 100 mA.

Categories Variable Supply, Power supply Tags High voltage 36 Comments

7805 and 7905 Dual adjustable power supply project

Last Updated on: April 26, 2022 by Apichet Garaipoom
dual-variable-regulator-power-supply-5-25v-by-lm7805lm7905

The top cheap 7805 Dual Variable Regulator Power Supply. It can adjust the dc voltage with +5V to +25V and -5V to -25V at current 1 amp, using LM7805 and LM7905.

Categories Variable Supply, Power supply Tags Dual output power supply, IC-7905 9 Comments
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