70 W Switching Power supply with KA2S0880 IC

12 years ago

The schematic shows the power supply capacity of 70W stereo amplifier Power converter is built on a chip KA2S0880, which…

1.5V-25V Power Supply with Preregulator

12 years ago

This circuit using KR142EN12 (analog - LM317 ) ic regulator that can handle load currents up to 2 amperes. For…

6.8 Volt Transformerless Power Supply.

12 years ago

Quite a simple power supply unit can be built for half an hour. The scheme is designed for voltage and…

Low Power Bipolar Stabilizer

12 years ago

The stabilizer is made ​​on the integrated circuit KR142EN6. IC is a bipolar voltage regulator with an output voltage of…

Mains AC / DC Converter with SR03x

12 years ago

This is another Transformerless power supply.  IC voltage regulators for SR03x made ​​by Supertex is connect directly to main voltage…

Voltage Converter from 1.5V to 3V

12 years ago

A simple scheme to generate the inverter voltage from 1.5V to 3V can be made ​​on the basis of slightly…

Additional Power Supply for USB Devices

12 years ago

Much the use of USB devices today, sometimes cause lack of power problem. How to know the maximum current that…

DC Voltage Doubler Circuit +12V to +24V using LM2586

12 years ago

This is the DC voltage doubler circuit which build based National IC LM2586. The circuit will doubling the input voltage…

Step up DC / DC Converter with LT1615

12 years ago

Interesting DC / DC converter Linear Technology has presented the company, this chip is the boost converters that allow you…

5V Transformerless DC Power Supply from 220V with LM2575

12 years ago

Is often required to supply electricity to the consumer low voltage 220V.  You can use an external adapter - but it's bad, and to reduce the size of the device requires a power supply located in the device. (more…)