MAX1913 driving white LED circuit diagram

The input voltage range of MAX1913 is 2.7~5.3V. It can provide stable output voltage or output current to drive white LED . The MAX1913 driving white LED circuit is shown in the figure. It only needs 4 small ceramic capacitors and no inductor to completely form a DC/DC regulator. Its unique charge pump design reduces input ripple and maintains a stable 750kHz switching frequency over a wide load range. The MAX1913 also includes logic-level shutdown and soft-start features to reduce input inrush current during startup. Its main characteristics are as follows.

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