Switch Mode Power Supply Explained with Common Topologies

Posted on April 8, 2017 by electronicsbeliever

For small power applications like on board power sources, linear power supply is often used due to its simplicity and low cost. However, when the need for high power density designs arises, linear pow... Read More

Snubber Circuit Design Analysis

Posted on March 21, 2017 by electronicsbeliever

What is a Snubber? Snubber is a form of circuit protection against voltage spikes, ringing and oscillation effects. Snubber works by either clamping voltage spikes but not altering the ringing frequen... Read More

ACDC 5 Watts Charger Design Ready for Prototype

Posted on February 15, 2016June 3, 2016 by electronicsbeliever

This article features a low parts count ACDC 5 Watts Charger Design with an output voltage of 5V and a maximum charge current of 1A. This is applicable for cell phones, tablets and other devices and g... Read More

Power Losses in Boost Converter

Posted on February 9, 2016June 3, 2016 by electronicsbeliever

Power losses in boost converter are due to the following contributors: Conduction loss of MOSFET Turn on and turn off losses of MOSFET Gate charge or input capacitance loss Output capacitance loss Dio... Read More

Switching Power Supply Operation Principle and Design

Posted on February 9, 2016June 3, 2016 by electronicsbeliever

Switching power supply operation is very different to that of linear power supply. Despite of its complexity, higher bill of material cost and higher parts count, switch mode power supply is still the... Read More

Sizing the Inductor of Buck Converter and Setting its Operation

Posted on November 11, 2015February 12, 2016 by electronicsbeliever

One of the most important parts of a buck converter is the inductor. Sizing the inductor of buck converter and setting its operation mode makes the converter function correctly. The shape and the magn... Read More

Buck Converter Duty Cycle Derivation

Posted on November 11, 2015November 11, 2015 by electronicsbeliever

In this article I will share to you the methods I used in buck converter duty cycle derivation. We will consider the ideal and the real scenarios. In ideal buck converter duty cycle derivation, you do... Read More

How Switch Mode Power Supply Regulates its Output

Posted on April 13, 2015May 18, 2015 by electronicsbeliever

In linear power supply design output regulation is not a question because it is easily done by the linear regulator inserted before the load. Nowadays linear power supply is not anymore widely used. W... Read More

7V to 25V Input with 5V and 1.5A Output Buck Converter Design Using LT1376-5 Controller

Posted on March 20, 2015May 18, 2015 by electronicsbeliever

This design reference is for 7V to 25V input with 5V and 1.5A output buck converter using LT1376-5 controller. LT1376-5 is monolithic buck mode switching regulator which has a fixed frequency of 500 ... Read More

Is it Worth Investing for Power Supply with Low Standby Power

Posted on March 19, 2015June 3, 2016 by electronicsbeliever

Is it worth investing for power supply with low standby power? Come; go with me to explore the answer of this question. Nowadays power supply technology is advancing. There are so many features added ... Read More

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Category: Power Electronics