Power Projects
2.7V-4.2V input to 3.3V – 0.6A output Buck-Boost Converter using LTC3440
This project shows a DC-DC buck boost circuit which can produce an output of 3.3V for an input of 2.7V to 4.2V , for example from a Li-on battery.
Dual 90V/10A Unregulated Power Supply
This project is designed to provide symmetrical output unregulated, high voltage, high current for your demanding needs.
Dual Adjustable Regulated power supply 1.2V TO 37V DC
This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply.
9 VDC Regulated Power Supply
Tiny low current 9 VDC Regulated Power supply designed around bipolar transistor and zener diode.
5V to -12V Inverting Switching Regulator
The DC/DC inverting switching regulators project is specifically designed to invert input voltages to negative outputs.
5V Step Down DC-DC Converter
This tiny Step-Down DC-DC converter project provides 5V @ 500mA output from supply input up to 25V DC.
12V to 28V Step Up DC-DC Converter
The Step-Up DC-DC Converter project provides 28V, 175mA output with input of 12V DC.
13.8V 2A Power Supply using LM338
Introduction This power supply appeared in the summer issue of Elektor 2000 without a PCB layout.
3.3V @ 1.5A Buck Regulator
The circuit presented here is based on LTC3601, a high efficiency, monolithic synchronous buck regulator from Linear Technology.
AmpStrike – Battery Powered Bench Power Supply
Introduction This is a small bench power supply that is powered by two lithium-ion batteries.
5V to 12V Step Up DC-DC Converter
Step up DC-DC converter is based on LM2577-ADJ IC, this project provides 12V output using 5V input, maximum output load of 800mA.
-5V @100mA Switched Capacitor Converter
The circuit diagram presented here is about a negative voltage regulator.