AAT3123A Datasheet High Efficiency 1X/1.5X Fractional Charge Pump

Manufacturer: AAT

AAT3123A high efficiency 1x/1.5x fractional charge pump by AAT - Datasheet Preview

Datasheet Details

Part number	AAT3123A
Manufacturer	AAT
File Size	342.54 KB
Description	High Efficiency 1X/1.5X Fractional Charge Pump
Datasheet	AAT3123A Datasheet

General Description

The AAT3123/23A/24 is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.5X) conversion to maximize efficiency for white LED applications.

The device can be used to produce current levels up to 20mA to drive up to six LEDs from a 2.7V to 5.5V input.

Outputs may be operated individually or paralleled for driving higher-current LEDs.

Overview

AAT3123/23A/24 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications.

Key Features

ChargePump™ AnalogicTech’s Simple Serial Control™ (S2Cwire™) interface is used to enable, disable, and set the LED drive current with a 32-level logarithmic scale LED brightness control. The AAT3123/23A/24 has a thermal management system to protect the device in the event of a short-circuit condition at the output pin. Built-i.

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