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CXA3834M [ LED Backlight Driver IC ]

>>Description

The CXA3834M is an LED driver IC with boost DC-DC converter. It enables luminance control using the peak current and PWM signal, and blinking control using the BLINK signal.
This IC has an optimum configuration for realizing a simple and compact power supply circuit for an LCD TV equipped with a LED backlight.

>>Applications

Power supply circuit, etc.)

>>Features

[Shared]

UVLO function
Overheat protection function
Error detection output function (xBL_ERR)
Detection timer latch function when abnormalities occur

[LED driver control block]

On-chip LED lighting FET gate driver
Luminance adjustment function using peak current control
Luminance adjustment function using the PWM signal
Blinking control using the BLINK signal
LED overcurrent detection function

[DC-DC converter control block]

On-chip boost type DC-DC converter
Output overvoltage detection function
Continuous overcurrent detection function
Input current BLINK soft start/soft end function (for blinking control operation)
Slope compensation function

>>Structure Ratings

BiCMOS silicon monolithic IC

>>Package

16P-SOP

Sony reserves the right to change products and specifications without prior notice.

This IC has pins whose electrostatic discharge strength is weak as the high-frequency process is used. Handle the IC with care.

--->PDF

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