The following transformerless power supply uses an MJE13005 transistor for voltage regulation. It acts like an amplifier controlled by a base zener diode to set the output voltage. A 3uF […]
Simple Transformerless Power Supply Circuit
This post explains how to build an easy transformerless power supply circuits. These circuits are compact and simple and they all use capacitors to step down the AC voltage from […]
LM317 Adjustable Power Supply Circuit
This guide will explain, how to create a basic adjustable power supply circuit using the LM317 chip and very few extra components. As the name implies an adjustable power supply […]
LM317 High-Current Bench Power Supply
This high-current LM317 power supply, offers a universal solution for various applications requiring a reliable, and high-quality DC power source with significant current output. Potential uses include powering car subwoofers, […]
Calculating Transformerless Power Supply Circuit Resistors and cap
This post dives into calculating component values for transformerless power supplies, using basic formulas like Ohm’s Law. Understanding the Circuit: Before we jump into calculations, let’s break down a typical […]
24V to 12V DC Buck Converter Circuit
A 24 V DC supply may be efficiently converted into a 12 V DC output using the buck converter circuit that is presented below. In other words, the circuit will let […]