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LED illumination with DC Power supply Circuit

AC Powered 220V Led Circuit - ElectroSchematics

This is the simple version of a white LED lamp that can be directly powered from mains.

Simple LED Bulb Circuit ~ Electronic Circuit Projects

These figures are obtained by dividing the rectified 310V DC (from 220V AC)

Power LED's - Simplest Light With Constant-current Circuit: 9 Steps .

The circuit is a "constant current source", which means that it keeps the LED

Direct Current (DC) Supply Grids for LED Lighting LED professional .

A power supply with DC makes the rectifier electronics unnecessary.

A simple LED lamp circuit from scrap. Uses 5 LED and takes only 50 mA

A string of five LED is driven using a capacitive transformer less power supply.

[PDF]High Brightness LED Driver Solutions for General  - ON Semiconductor

Ac-Dc power conversion and driver regulation can be merged together into a single driver or separated

Running LEDs from an AC supply - LEDs

In most applications, LEDs are driven by a DC power supply

 

 

 

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