In this post we try to diagnose a burnt SMPS circuit and try to troubleshoot and repair the circuit. The shown unit is a cheap readymade Chinese make SMPS circuit. […]
110V, 14V, 5V SMPS Circuit – Detailed Diagrams with Illustrations
In this post we learn how to apply the IC L6565 for making a compact multi purpose 110V, 14V, 5V SMPS circuit using minimum number of external components. Implementing quasi-resonant ZVS […]
2 Compact 12V 2 Amp SMPS Circuit for LED Driver
In this post we 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 […]
7 Watt LED Driver SMPS Circuit – Current Controlled
The presented 7 watt LED driver circuit is an SMPS based non-isolated, transformerless circuit which ensures a safe current controlled output for the attached LED, it is very affordable to […]
LM317 Variable Switch Mode Power Supply (SMPS)
So far in this website we have studied LM317 based linear power supply circuits, here we will learn how an LM317 can be executed as a variable switch mode power […]
Make this 3.3V, 5V, 9V SMPS Circuit
Here we learn about a simple switch mode power supply (SMPS) circuit which is capable of delivering 3.3V, 5V, 9V at around 800mA from a Mains input range of 100V […]