Simple 12V to 9, 7.5 or 6V converter

12 years ago

You're traveling and you forgot to bring DC to DC converter in your car, but you need it. This simple…

Variable Voltage Regulator based LM117

12 years ago

The regulator circuit uses an LM117K three-terminal adjustable output positive voltage regulator in a TO-3 can. The variable voltage regulator…

Variable Zener Diode

12 years ago

This circuit acts like a zener diode with a wide range of voltages. The current passing via the voltage divider…

Low Voltage Regulators with Short Circuit Protection

12 years ago

These Low Voltage regulators with short circuit protection can provide 6, 7.5, and 9 V from an automobile battery supply…

Lithium Battery Charger

12 years ago

This Lithium battery charger circuit is dedicated to charge lithium batteries. It uses 2 chips, voltage regulator LM317T and ICL7665 warns microprocessors (μPs) of overvoltage and undervoltage conditions. (more…)

Low Power Regulated DC to DC Converter

12 years ago

This Low power regulated dc to dc converter circuit obtained by adding a flyback circuit to a square wave oscilator.…

Linear Power Supply

12 years ago

Every electronic circuit will work as good as its power supply. However this is often overlooked. There are two main…

5V / 4A Regulator Circuit

12 years ago

This is the other power supply regulator circuit, is different from the previous circuit, this using IC op amp quad…

5V / 3A Regulator

12 years ago

This regulator power supply schematic diagram is the same as the previous 5V 10A regulator circuit with a little modification…

5V / 10A regulator circuit

12 years ago

This power supply regulator circuit can provide current up to 10 amperes at a voltage 5 V. (more…)