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AP3605 - 4-Channel Charge Pump LED Driver

Datasheet Summary

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.

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Datasheet Details

Part number AP3605
Manufacturer BCD Semiconductor
File Size 412.64 KB
Description 4-Channel Charge Pump LED Driver
Datasheet download datasheet AP3605 Datasheet
Additional preview pages of the AP3605 datasheet.

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Other Datasheets by BCD Semiconductor
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Full PDF Text Transcription

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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.
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