AAT3151 - High Efficiency 1X/1.5X/2X Charge Pump

Name: AAT3151
SKU: AAT3151-1387232

Skyworks

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Datasheet Details

Part number	AAT3151
Manufacturer	Skyworks
File Size	1.06 MB
Description	High Efficiency 1X/1.5X/2X Charge Pump
Datasheet	AAT3151-Skyworks.pdf

AAT3151 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

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.
Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage.
Drives Four Channels of LEDs.
Individual Main/Sub-Group Control.
No Inductors, Low Noise Operation.
1MHz Constant Switching Frequency.

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Published: Jun 28, 2019 |