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TECHNICAL NOTE
For LCD panel backlight
White LED driver IC under development
BD8108FM
rev. 0.14
● Outline
BD8108FM is a white LED driver of high-withstand-voltage (36V).
Step-up DC/DC converter and constant current output 4ch are built-in in 1chip.
The brightness can be controlled by either PWM or VDAC.
● Features
1) Input voltage range 4.5 30V
2) Built-in Step-up DC/DC controller
3) Built-in current driver 4ch (150mA max.) for LED drive
4) Compatible with PWM light-modulating 0.38 99.5%
5) Built-in protective functions (UVLO, OVP, TSD, OCP)
6) Built-in abnormal-status-detecting function (open/short)
7) HSOP-M28 package
● Application
Car navigation backlight and small & medium-sized LCD panel etc.