MA1576Y charge pump LED driver circuit diagram


Posted on Mar 28, 2007

Using MAX1576Y charge pump white LED driver circuit as shown, the circuit is capable of driving up to 480mA total current two groups (n = 4 white LED) white LED.


MA1576Y charge pump LED driver circuit diagram
Click here to download the full size of the above Circuit.

For white LED is flashing group, the circuit allows each white LED current up to 100mA. Each group has a separate white LED current setting, pulse and two-wire dimming brightness control. Using adaptive switch, the entire single-cell lithium-ion battery discharge process, the average efficiency of the circuit can reach 83%. For white LED flash digital camera, use MAX1576Y constitute white LED driver circuit is the ideal choice.




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