AAT3151 - High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

Product Overview

Advanced Analogic Technologies

Datasheet Details

Part number	AAT3151
Manufacturer	Advanced Analogic Technologies
File Size	220.67 KB
Description	High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
Datasheet	AAT3151 Datasheet
Additional preview pages of the AAT3151 datasheet.

Product details

Description

The AAT3151 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.

Features

ChargePump™.
VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire.
16-Step Logarithmic Scale.
15/20/30mA Max Current.
Four Low Current Settings Down to 50µA.
Low IQ (40µA) for Low Current Mode Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage Drives Four Channels of LEDs Individual Main/Su.

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Published: Jun 25, 2006 |