AAT3155 Datasheet High Efficiency 1X/1.5X/2X Charge Pump

Manufacturer: AAT

AAT3155 high efficiency 1x/1.5x/2x charge pump by AAT - Datasheet Preview

Datasheet Details

Part number	AAT3155
Manufacturer	AAT
File Size	311.09 KB
Description	High Efficiency 1X/1.5X/2X Charge Pump
Datasheet	AAT3155 Datasheet

General Description

The AAT3155 is a low noise, constant frequency charge pump DC/DC converter that uses a trimode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.

The AAT3155 is capable of driving up to four channels of LEDs at 20mA per channel from a 2.7V to 5.5V input.

The current sinks may be operated individually or in parallel for driving higher current LEDs.

Overview

www.DataSheet4U.com High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications.

Key Features

ChargePump™ VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire.
16 Current Levels.
Four Low Current Settings Down to 50µA Low IQ (50µA) for Low Current Mode Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage Drives up to Four Channels of LEDs No Inductors, Low Noise Operation 1MHz Constant Switching Frequency Small.

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