CAT3626 Datasheet PDF (LED Driver) | Download ON Semiconductor CAT3626

CAT3626 - LED Driver

Description

with programmable dimming current in six LED channels.

To ensure uniform brightness in LCD backlight applications, each LED channel delivers an accurate regulated current.

Features

Drives 6 LED Channels.
Independent Current on 3 Pairs of LEDs.
I2C Serial Interface Programming.
Adjustable Current to 32 mA in 0.5 mA Step.
Power Efficiency up to 91%.
Fractional Pump 1x/1.5x.
Low Noise Input Ripple.
Fixed High Frequency Operation 1 MHz.
“Zero” Current Shutdown Mode.
Soft Start and Current Limiting.
Short Circuit Protection.
Thermal Shutdown Protection.
These De.

Datasheet Details

Part number	CAT3626
Manufacturer	ON Semiconductor
File Size	432.83 KB
Description	LED Driver
Datasheet	CAT3626 Datasheet
Additional preview pages of the CAT3626 datasheet.

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Full PDF Text Transcription

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CAT3626 LED Driver, Charge Pump, 6-Channel, I2Ct Interface Description The CAT3626 is a high efficiency 1x/1.5x fractional charge pump with programmable dimming current in six LED channels. To ensure uniform brightness in LCD backlight applications, each LED channel delivers an accurate regulated current. Low noise and input ripple is achieved by operating at a constant switching frequency of 1 MHz which allows the use of small external ceramic capacitors. The 1x/1.5x fractional charge pump supports a wide range of input voltages from 3 V to 5.5 V with efficiency up to 91%, and is ideal for Li−Ion battery powered devices. The LED channels are configured into three independent pairs, each containing 2 matched channels. Each pair can be separately programmed from zero to 32 mA, in 0.

Published: Aug 10, 2021 |