ADP5520 - Backlight Driver

Product Overview

Analog Devices

Part number	ADP5520
Manufacturer	Analog Devices
File Size	1.19 MB
Description	Backlight Driver
Datasheet	ADP5520 Datasheet
Additional preview pages of the ADP5520 datasheet.

The ADP5520 is a versatile single-chip, white LED backlight driver with a user configurable I/O expander.

Efficient asynchronous boost converter for driving up to 6 white LEDs 2.7 V to 5.5 V input voltage range 128 programmable backlight LED current levels (30 mA maximum) Ambient light sensing with autonomous backlight adjustment Programmable backlight fade-in/fade-out times Programmable backlight dim and off times 8 configurable GPIO pins (input, output, up to 4 × 4 keypad) Up to 3 auxiliary LED current sinks (1 dedicated, 2 configurable) 64 programmable auxiliary LED current levels (14 mA maximum).

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Published: Oct 31, 2008 |