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CAT3649

Part Number	CAT3649
Manufacturer	ON Semiconductor
Description	6-Channel LED Driver
Published	Oct 20, 2016
Detailed Description	CAT3649 6-Channel LED Driver with 32 Dimming Levels & PWM Description The CAT3649 is a high efficiency fractional charg...
Datasheet	CAT3649 PDF File

Overview

CAT3649 6-Channel LED Driver with 32 Dimming Levels & PWM Description The CAT3649 is a high efficiency fractional charge pump that can drive up to six LEDs.
The inclusion of a 1.
33x fractional charge pump mode increases the device efficiency by up to 10% over traditional 1.
5x charge pumps with no added external capacitors.
Low noise input ripple is achieved by operating at a constant switching frequency which allows the use of small external ceramic capacitors.
The multi−fractional charge pump supports a wide range of input voltages from 2.
4 V to 5.
5 V.
The LED current can be adjusted in different ways.
The full−scale LED current is set to 25 mA once the device is enabled.
Analog dimming in...

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