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AAT3120 Datasheet 3-Channel Charge Pump

Manufacturer: AAT

Datasheet Details

Part number AAT3120
Manufacturer AAT
File Size 283.77 KB
Description 3-Channel Charge Pump
Download AAT3120 Download (PDF)

General Description

The AAT3120 is a low noise, constant frequency charge pump DC/DC converter that uses fractional (1.5X) conversion to improve efficiency for white LED applications.

The device can be used to produce eight current levels up to 20mA per channel for up to three channels.

1X load switch mode is also built-in to improve efficiency at low current settings.

Overview

AAT3120 3-Channel Charge Pump For White LED Applications General.

Key Features

  • ChargePump™.
  • VIN Range: 2.7V to 5.5V Fractional Charge Pump Mode Drives Low-VF and High-VF Type LEDs Up to Three LED Outputs.
  • Single Wire Programming.
  • Eight Regulated Current Settings.
  • Max 20mA per Channel Low Noise Constant Frequency Operation No Inductors 1MHz Switching Frequency Small.