AAT3151B - High Efficiency 1X/1.5X Charge Pump

Product Overview

Skyworks

Datasheet Details

Part number	AAT3151B
Manufacturer	Skyworks
File Size	852.85 KB
Description	High Efficiency 1X/1.5X Charge Pump
Datasheet	AAT3151B Datasheet
Additional preview pages of the AAT3151B datasheet.

Product details

Description

The AAT3151B is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.5X) charge pump conversion to maximize efficiency for white LED applications.

Features

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 (50µA) for Low-Current Mode.
Dual Mode 1X and 1.5X Charge Pump for Maximum Efficiency and VF Coverage.
Drives Four Channels of LEDs.
No Inductors, Low Noise Operation.
1MHz Constant Switching Frequency.
Small.

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Published: Jun 28, 2019 |