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12V

12V DC to 220V DC Boost Converter Circuit

Last Updated on March 17, 2026 by Swagatam 126 Comments

In this article I have explained a very simple method of acquiring 220V DC from a 12V DC source. The idea utilizes inductor/oscillator based boost topology with the help of the IC 555. Circuit Operation Now let us learn more about this simple 12V to 220V DC boost converter circuit, which is built around IC […]

Filed Under: Power Supply Circuits Tagged With: 12V, 220V, Boost, Converter, DC

2 Compact 12V 2 Amp SMPS Circuit for LED Driver

Last Updated on July 5, 2025 by Swagatam 49 Comments

smps

In this post I will comprehensively discuss a 2  simple 12V 2 amp SMPS circuit using the IC UC2842. We study a 2 amp flyback design by evaluating various formulas, which provides the exact selection details for the transformer winding and the parts specifications. Design#1: Introduction The first design is based on the versatile IC VIPer53-E. […]

Filed Under: SMPS and Converters Tagged With: 12V, Compact, Driver, LED, SMPS

Make this 220V to 12V SMPS Using UC2842 IC

Last Updated on July 5, 2025 by Swagatam 10 Comments

This UC2842 IC based SMPS design is simple, cheap and efficient kind of isolated power supply. We can use it in off-line stuff like AC-DC adapters, battery chargers and all those small power supplies. What is cool? It takes that high voltage AC then steps it down and then keeps input and output fully isolated […]

Filed Under: SMPS and Converters Tagged With: 12V, 220V, SMPS, UC2842

5V, 12V Buck Converter Circuit SMPS 220V

Last Updated on July 5, 2025 by Swagatam 50 Comments

This step down buck converter will convert a 220V AC input from mains supply to 5V or 12V or 24V DC with 90% efficiency. The proposed buck converter is an SMPS circuit using the IC VIPer12A from STMicroelectronics. The circuit uses negligible number of external components yet is able to operate directly from mains AC input. The Buck […]

Filed Under: SMPS and Converters Tagged With: 12V, 220V, Buck, Converter, SMPS

XL3608 5V, 9V,12V DC, 2 Amp Boost Converter module

Last Updated on February 26, 2025 by Swagatam Leave a Comment

This XL3608 2A mini DC to DC Boost Converter module is super compact and efficient and it is just perfect for powering all sorts of devices and systems. Let’s learn about its main features in greater details: Main Features: Input Voltage Range: We can feed this module with an input voltage ranging from DC 2.5-11.5V. […]

Filed Under: Power Supply Circuits Tagged With: 12V, Boost, Converter, DC, Module, XL3608

24V to 12V DC Converter Circuit [using Switching Regulator]

Last Updated on January 19, 2025 by Swagatam 14 Comments

24V to 12V DC converter circuit

The DC to DC converter circuit described below can be used to convert a 24 V DC source into a 12 V DC output with high efficiency. Meaning, the circuit will allow to acquire a 12 V DC from a 24 V DC source with negligible power loss. Being a switching regulator, this circuit is […]

Filed Under: Power Supply Circuits Tagged With: 12V, 24v, Converter, DC, Regulator, Switching

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