SP1938 converter equivalent, dc-dc step-up converter.
* Current Source with Over Voltage Protection
* Fast 0.8MHz Switching Frequency
* High Efficiency up to 87%
* Drives up to Four LEDs From 3.2V Supply
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* Battery Power Equipment
* Notebook Computers
* PDA
* Cellular Phone
FEATURES
* Current Source wit.
The SP1938 is a step-up DC/DC converter for white LED driver with over voltage protection. The device can driver one to four LEDs in series from a single cell Lithium Ion battery. Internal functions include current limiting; thermal shutdown; OVP and.
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