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AP1521

Part Number	AP1521
Manufacturer	Anachip
Description	White LED Step-Up Converter
Published	Feb 23, 2018
Detailed Description	White LED Step-Up Converter AP1521 Features - Inherently Matched LED Current - Drives Up to Four LEDs from a 3.2V Su...
Datasheet	AP1521 PDF File

Overview

White LED Step-Up Converter AP1521 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 1MHz Switching Frequency - 36V Rugged Bipolar Switch - Low Profile SOT23-5 Pb-Free Packaging Applications - Cellular Phones - PDAs, Hand-held Computers - Digital Cameras - MP3 Players - GPS Receivers Pin Assignments Top View VIN SHDN SW VSS FB SOT23-5L 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.
Series connection of the LEDs prov...

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