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AAT3123

Part Number	AAT3123
Manufacturer	AAT
Description	High Efficiency 1X/1.5X Fractional Charge Pump
Published	Dec 20, 2017
Detailed Description	AAT3123/23A/24 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications General Description Features ...
Datasheet	AAT3123 PDF File

Overview

AAT3123/23A/24 High Efficiency 1X/1.
5X Fractional Charge Pump for White LED Applications General Description Features ChargePump™ The AAT3123/23A/24 is a low noise, constant frequency charge pump DC/DC converter that uses a • VIN Range: 2.
7V to 5.
5V • Dual Mode 1X and 1.
5X Charge Pump for dual mode load switch (1X) and fractional (1.
5X) Maximum Efficiency conversion to maximize efficiency for white LED applications.
The device can be used to produce • Drives Low-VF and High-VF Type LEDs • Up to Six 20mA Outputs (AAT3124) current levels up to 20mA to drive up to six LEDs • Up to Four 20mA Outputs (AAT3123/23A) from a 2.
7V to 5.
5V input.
Outputs may be operat- • 32-Position Logari...

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