Led drivers circuit electronics projects

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Led drivers circuit electronics projects based on IC. Led drivers projects like: constant current led driver, high power led driver, white led driver, led backlight driver and more .

4 channel LED driver circuit using CAT4106

This 4 channel LED driver circuit is designed using CAT4106 integrated LED driver (multi-channel LED driver) and high power dc-dc converter suitable for powering backlighting applications up to a total of 6 watts.
Up to 4 matched LED strings can be accurately programmed with uniform drive current set by a single external resistor.
The CAT4106 4 channel LED driver circuit automatically adjusts the output voltage to drive the highest forward voltage string with the minimum headroom voltage maximizing the efficiency.

Lm3909 LED flasher circuit

This LED flasher circuit is made using Lm3909 monolithic oscillator designed by National Semiconductor, to flash (LED) Light Emitting Diodes.

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