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AP3605

BCD Semiconductor
Part Number AP3605
Manufacturer BCD Semiconductor
Description 4-Channel Charge Pump LED Driver
Published Aug 17, 2015
Detailed Description Data Sheet 4-Channel Charge Pump LED Driver with Current Balancing and Wide Range PWM Dimming AP3605 General Descripti...
Datasheet PDF File AP3605 PDF File

AP3605
AP3605

Overview
Data Sheet 4-Channel Charge Pump LED Driver with Current Balancing and Wide Range PWM Dimming AP3605 General Description Features The AP3605 is a step-up DC/DC converter based on 1.
5x charge pump current source, it is specially designed for LED supplies in backlight display.
The AP3605 can provide constant current up to 20mA for each LED, which is programmed by an external resistor, so it has a total capability to provide 80mA for 4 LEDs.
The chip has a good performance of LED current matching and allows PWM brightness dimming control.
Additionally, high switching frequency up to 1MHz enables the use of two small external flying capacitors.
Internal soft-start circuitry prevents excessive inrush current during start-up.
The AP3605 supply voltage range is from 2.
7V to 5.
5V, ideally suited for applications powered by the Liion battery.
· Regulated Output Current with ±3% Matching · Regulated ±10% Output Current Source · Drive up to 4 LEDs at 20mA Each · Wide Operating Voltage Range:...


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