Led driver electronic circuits design electronics projects

Led driver electronic circuits design for : rgb led , high power led , white led , led display using led driver ICs and other methods .

Economy high brightness led flashlight circuit

A very simple economy high brightness led flashlight circuit can be made using a simple AC-DC converter from some other unused device like an mobile phone, and some common resistors and high brightness leds.

Circuit Diagram: 
economy high brightness led flashlight circuit diagram
led 1210 smd warm white
Electronic Circuits: 

LM3409 dimming controlled LED driver circuit design

This dimming controlled LED driver circuit is designed using LM3409 P-channel MosFET controller for step-down (buck) current regulators .
The LM3409 devices use Constant Off-Time (COFT) control to regulate an accurate constant current without the need for external control loop compensation.

Circuit Diagram: 
LM3409 dimming controlled LED driver circuit design
LM3409 dimming controlled driver circuit
Electronic Circuits: 

LTC3600 LED driver circuit

The LTC3600 LED driver circuit is manufactured by Linear Technology, and can be used for design a very simple high efficiency LED driver circuit with programmable dimming control .
LTC3600 is a monolithic synchronous buck regulator whose output is programmed with just one external resistor.

Circuit Diagram: 
LTC3600 LED driver circuit design project
Electronic Circuits: 

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