LD7889 Datasheet 4 Channel LED Backlight Driver

Manufacturer: Leadtrend Technology

Datasheet Details

Part number	LD7889
Manufacturer	Leadtrend Technology
File Size	592.20 KB
Description	4 Channel LED Backlight Driver
Download	LD7889 Download (PDF)

The LD7889 is a 4-channel linear current controller which combines with a boost switching controller.

It’s an ideal solution for driving high power LED backlights.

The LD7889 can deliver high accuracy of constant current to 4 LED strings with 4 internal MOSFET.

4 Channel LED Backlight Driver LD7889 10/07/2011 REV: 05 General.

include LED short and open protection, cycle by cycle current limit, and thermal shutdown. Features z Input Voltage range: 4.5V to 36V z Drives up to 4 strings in parallel, up to 240mA per string z Time-shift PWM dimming control z External PWM dimming control z LED short circuit protection z LED open string protection z MOSFET over-c.

Part Number	Description
LD7889A	4 Channel LED Backlight Driver
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LD7831	High Power Factor Primary Side Flyback LED Controller
LD7832	High Power Factor LED Controller
LD7832A	High Power Factor LED Controller
LD7833	High Power Factor Primary Side Flyback LED Controller
LD7833V	High Power Factor Primary Side Flyback LED Controller
LD7835	High Power Factor LED Controller
LD7838	High Power Factor Flyback LED Controller
LD7513A	Primary Side Quasi-Resonant BJT Controller