AP5725 Datasheet (data sheet) PDF





AP5725 Datasheet, WHITE LED STEP-UP CONVERTER

AP5725   AP5725  

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AP5725 WHITE LED STEP-UP CONVERTER Desc ription Pin Assignments The AP5725 is a step-up DC/DC converter specifically designed to drive white LEDs with a co nstant current. The device can drive 2 ~ 6 LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents resulting in uni form brightness and eliminates the need for ballast resistors. For

AP5725 Datasheet, WHITE LED STEP-UP CONVERTER

AP5725   AP5725  
driving higher number of LEDs, AP5725 al so supports a single feedback of parall el connected multiple strings of equal number of LEDs. The AP5725 switches at 1.2MHz that allows the use of tiny exte rnal components. A low 0.25V feedback v oltage minimizes power loss in the curr ent setting resistor for better efficie ncy. (Top View) SW 1 6 VIN (Top Vie w) GND 2 FB 3 SW 1 5 OVP V








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