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AAT3172

Skyworks
Part Number AAT3172
Manufacturer Skyworks
Description High Current LED Flash Driver Charge Pump
Published Jun 28, 2019
Detailed Description DATA SHEET AAT3172 High Current LED Flash Driver Charge Pump General Description The AAT3172 is a high output current, ...
Datasheet PDF File AAT3172 PDF File

AAT3172
AAT3172

Overview
DATA SHEET AAT3172 High Current LED Flash Driver Charge Pump General Description The AAT3172 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter, ideal for multi-function LED photo-flash applications where solution cost, size, and efficiency are critical.
The dual charge pump in the AAT3172 is capable of delivering 600mA output current.
Two current-controlled paths are available for users of dual flash LEDs that prefer current matching.
Each LED channel can be easily programmed in 32 steps with a single GPIO output through the AS2Cwire™ (Advanced Simple Serial Control™) interface.
This allows smooth transitions and flexible adjustment of brightness in flash or other lighting modes.
The tri-mode (1X/1.
5X/2X) operation of the internal charge pump offers excellent power efficiency for both flash and movie modes.
Combined with a low external parts count (two 1μF flying capacitors and one small bypass capacitor at VIN and OUT), the AAT3172 is ...


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