AAT3157 - High Efficiency 1X/1.5X/2X Charge Pump

Name: AAT3157
SKU: AAT3157-607683

AAT

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Datasheet Details

Part number	AAT3157
Manufacturer	AAT
File Size	296.25 KB
Description	High Efficiency 1X/1.5X/2X Charge Pump
Datasheet	AAT3157_AAT.pdf

AAT3157 Product details

Description

The AAT3157 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.

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 Three Channels of LEDs No Inductors, Low Noise Operation 1MHz Constant Switching Frequency Small.

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Published: Nov 20, 2007 |