ADP5520 - Backlight Driver

Name: ADP5520
SKU: ADP5520-626917

Analog Devices

Datasheet Details

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 |