Limit Alarms (potentiometer adj.) A-UNIT

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MSYSTEM

爱模

High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

General Description The AAT3143 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3143 can deliver current levels up to 80mA to drive white

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ANALOGICTECH

Advanced Analogic Technologies

High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

Features • Input Voltage Range: 2.7V to 5.5V • PWM Brightness Control • Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage • Drives Four Low- or High-VF Type LEDs • Up to 20mA LED Current per Channel • No Inductors • 1MHz Switching Frequency • Small Application C

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SKYWORKS

思佳讯

Limit Alarms (potentiometer adj.) A-UNIT

文件：133.98 Kbytes 页数：4 Pages

MSYSTEM

爱模