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LM3639A

Part Number	LM3639A
Manufacturer	Texas Instruments
Description	Single Chip 40V Backlight + 1.5A Flash LED Driver
Published	Mar 14, 2020
Detailed Description	LM3639A www.ti.com SNVS964 – MARCH 2013 LM3639A Single Chip 40V Backlight + 1.5A Flash LED Driver Check for Samples: ...
Datasheet	LM3639A PDF File

Overview

LM3639A www.
ti.
com SNVS964 – MARCH 2013 LM3639A Single Chip 40V Backlight + 1.
5A Flash LED Driver Check for Samples: LM3639A FEATURES 1 •2 Single Chip White LED Flash and Backlight Driver • 1.
5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit (Flash) • Programmable Switching Frequency • Optimized Flash Current During Low-Battery Conditions APPLICATIONS • White LED Backlit Display Power • White LED Camera Flash Power L(B) Schottky L(F) VOUTB up to 40V COUTB 2.
5V - 5.
5V CIN SWF SWB OVP VIN OUTF COUTF LM3639A EN SCL SDA STROBE TX PWM BLED1 BLED2 FLED1 FLED2 GND FLED2 OR FLED1 DESCRIPTION The LM3639A is a single-chip white LED Camera Flash Driver + LCD Display Backlight Driver.
The lowvoltage, high-current flash LED driver is a synchronous boost which provides the power for a single flash LED at up to 1.
5...

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