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0-40V Adjustable Power Supply Circuit – Construction Tutorial

This multipurpose general purpose supply generates as much as 2.5 amps from zero to 20 volts or up to 1.25 amps from 0-40 volts. Current limiting is variable within the entire range for either output options. By Trupti Patil Power Supply Main Specifications:   AN IDEAL POWER SUPPLY must provide a voltage that is variable … Read more0-40V Adjustable Power Supply Circuit – Construction Tutorial

3 Solid-State IC Based 220V Adjustable Power Supply Circuits

Three simple yet efficient 220V IC based solid state transformerless adjustable solid-state power supply circuits are discussed here. The first one works using a single IC SR087. The design does not depend on high value capacitors or inductors and yet is capable of delivering 100mA current to the attache load. 1) Main Features and Board … Read more3 Solid-State IC Based 220V Adjustable Power Supply Circuits

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 or SMPS with zero loss. LM317 as Linear Regulator We all know that an LM317 IC is internally designed to work as a linear voltage … Read moreLM317 Variable Switch Mode Power Supply (SMPS)

0-60V LM317HV Variable Power Supply Circuit

The high voltage LM317HV series of ICs will allow to go beyond the traditional voltage limits of an LM317 IC and enable controlling supplies that may be as high as 60V. 0-60V Regulation with a Single IC LM317 Therefore now you can build a universal 0-60V regulated power supply circuit loaded with all the essential … Read more0-60V LM317HV Variable Power Supply Circuit

Universal Variable Power Supply Circuit

The presented universal power supply circuit can be used just for anything, you can use it as a solar battery charger, bench power supply, mains battery charger circuit, or for any desired application regardless of the voltage and current range, which are extremely flexible and fully adjustable. Using a Single LM324 as the Main Control … Read moreUniversal Variable Power Supply Circuit

How to Modify SMPS for Adjustable Current and Voltage Output

This article discusses a method through which any ready made SMPS can be converted into a variable current smps circuit using a few external jumper links. In one of the previous articles we learned how to make a variable voltage SMPS circuit by employing a simple shunt regulators stage, in the present hack also we … Read moreHow to Modify SMPS for Adjustable Current and Voltage Output

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