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 within […]
Supply
0-300V Adjustable Transformerless Power Supply Circuit Diagram
This simple MOSFET controlled transformerless power supply circuit can be used for delivering a continuously variable 0 to 300V DC output and a current control from 100 mA to 1 Amp. To protect against my high voltage research projects from going up in smoke permanently, I developed an easy circuit which is able to render […]
How to Use LM317 for Making a Variable Power Supply Circuit
In this post I will elaborately explain how to build a simple LM317 based adjustable power supply circuit using minimum number of external components. As the name suggests a variable power supply circuit provides the user with a range of linearly varying output voltages through a manually controlled potentiometer rotation. A LM317 is a versatile […]
High Current Adjustable Switching Power Supply Circuit using L296 IC
The L296 is a monolithic power switching regulator IC, incorporating an adjustable output voltage, current limiting, and thermal shutdown. Due to these features, this IC has become a favorite option for a many different applications such as bench power supplies, battery chargers, and motor controllers. The IC L296 will be used in this circuit to […]
Regulated, High Current Power Supply Circuit
The circuit I have explained below can be used for applications that require stringent voltage regulations and ripple rejection criteria. The transistor pair are configured such that all residual ripple factor are perfectly rectified. Circuit Operation The circuit below shows a simple way of acquiring a perfectly regulated and stabilized high current DC voltage output using ordinary transistors. The circuit […]
4 Simple Uninterruptible Power Supply (UPS) Circuits Explored
In this post I have investigated 4 simple 220V Mains Uninterruptible power supply (UPS) designs using 12V battery, which can be understood and constructed by any new enthusiast. These circuits can be used for operating an appropriately selected appliance or load, let’s explore the circuits. Design#1: Simple UPS using a Single IC A simple idea […]