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AP1521WA Datasheet PDF
- White LED Step-Up Converter - LED
AP1521 White LED Step-Up Converter Features - Inherently Matched LED Current - Drives Up to Four LEDs from a 3.2V Supply - Drives Up to Six LEDs from a 5V Supply - High Efficiency: 84% Typical - Fast 1MH- Switching Frequency - 36V Rugged Bipolar Switch - Low Profile SOT23-5 Pb-Free Packaging General Description The AP1521 is a step-up DC, DC converter specifically designed to drive white LEDs with a constant current. The device can drive two, three or four LEDs in series from a Li-Ion cell. S
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