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AAT1282 - 2A Driver for High Intensity LED Camera Flash

Description

The AAT1282 is a high-efficiency, high-current step-up converter capable of 2A maximum output current.

It is an ideal power solution for LED photo flash applications in all single cell Li-ion powered products.

Features

  • a fixed, input current limiter. An industry-standard I2C serial digital input is used to enable, disable and set the movie-mode current for each flash LED with up to 16 movie-mode settings. The AAT1282 also includes a separate Flash Enable input to initiate both the flash operation and the default timer which can be used either to terminate a flash event at the end of a user-programmed delay or as a safety feature. The maximum flash and movie-mode current is set by one external resistor where th.

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Datasheet Details

Part number AAT1282
Manufacturer Skyworks Solutions
File Size 1.07 MB
Description 2A Driver for High Intensity LED Camera Flash
Datasheet download datasheet AAT1282 Datasheet

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Full PDF Text Transcription

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DATA SHEET AAT1282 2A Driver for High Intensity LED Camera Flash General Description The AAT1282 is a high-efficiency, high-current step-up converter capable of 2A maximum output current. It is an ideal power solution for LED photo flash applications in all single cell Li-ion powered products. The AAT1282 maintains output current regulation by switching the internal high-side and low-side switch transistors. The transistor switches are pulse-width modulated at a fixed frequency of 2MHz. The high switching frequency allows the use of a small inductor and output capacitor, making the AAT1282 ideally suited for small battery-powered applications.
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