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

Product Overview

Skyworks

Datasheet Details

Part number	AAT3157
Manufacturer	Skyworks
File Size	751.04 KB
Description	High Efficiency 1X/1.5X/2X Charge Pump
Datasheet	AAT3157 Datasheet
Additional preview pages of the AAT3157 datasheet.

Product details

Description

The AAT3157 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

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: Jun 28, 2019 |