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CAT3661

Part Number	CAT3661
Manufacturer	ON Semiconductor
Description	1-Channel Low-Power Quad-Mode LED Driver
Published	Oct 27, 2010
Detailed Description	CAT3661 1-Channel Low-Power LED Driver Description The CAT3661 is a high efficiency low power fractional charge pump th...
Datasheet	CAT3661 PDF File

Overview

CAT3661 1-Channel Low-Power LED Driver Description The CAT3661 is a high efficiency low power fractional charge pump that drives one LED with up to 5 mA of current.
Soft−start current limiting and short−circuit protection are optimized for use with coin cell batteries.
Low noise input ripple and constant switching frequency allows the use of small external ceramic capacitors.
This makes the CAT3661 ideal for EMI sensitive applications.
The charge pump supports a wide range of input voltages from 2.
0 V to 5.
5 V.
The CAT3661 has a built−in circuitry to provide feedback to a microcontroller of Open/Short LED and Low battery events.
The Low battery indicator trip point is internally fixed at 2.
...

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