BL8549 40V Backlight LED Driver

BELLING

Description

BL8549 40V Backlight LED Driver with PWM Direct Dimming .
The BL8549 is a high efficiency current-mode asynchronous, 40V boost converter for LED backlight driving.

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Datasheet Specifications

Part number: BL8549
Manufacturer: BELLING
File Size: 508.83 KB
Datasheet: BL8549-BELLING.pdf
Description: 40V Backlight LED Driver

Features

* Adjustable Output Voltage, Vfb=0.2V
* Output voltage 40V, driving up to 12 LED string
* Range of operation input voltage: 2.5
* 4.5V
* Output Overvoltage Protection @40V
* CE pin PWM direct dimming function
* Line regulation: 0.1%/V (typ. )
* Load regulation: 10m

Applications

* Smartphone
* 7” MID
* Portable DVD
* TFT LCD bias
* Portable LED lighting or torch
* Other application need high voltage TYPICAL APPLICATION and PIN OUT BL8549 Efficiency for Driving 10 LEDs Efficiency VS Iout for 10 LEDs Efficiency (%) 100 95 90 85 80 75 70 65

BL8549 Distributors

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BL8549 40V Backlight LED Driver BELLING

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