White LED Driver IC
TECHNICAL NOTE
For LCD Panel Backlight Applications
White LED Driver IC
BD8118FM
rev. 1.50
● Outline BD8118FM is a wh...
Description
TECHNICAL NOTE
For LCD Panel Backlight Applications
White LED Driver IC
BD8118FM
rev. 1.50
● Outline BD8118FM is a white LED driver featuring a high input voltage range (36V MAX), an integrated step-up DC/DC converter and four constant-current output drivers on a single chip. Brightness can be controlled by either PWM or VDAC methods.
● Features 1) Input voltage range4.5 – 30 V 2) Integrated step-up DC/DC controller 3) Four integrated LED current driver channels (150 mA max. each channel) 4) Compatible with PWM light-modulation
0.38 – 99.5%) 5) Built-in protection functions (UVLO, OVP, TSD, OCP) 6) Abnormal status detection function (open) 7) HSOP-M28 package
● Applications Car navigation system backlights, small/medium-sized LCD panels, etc.
● Absolute maximum ratings (Ta = 25 ͠)
Parameter
Symbol
Rating
Unit
Power supply voltage (Pin 1)
VCC 36
V
Load switch output voltage (Pin 2)
VLOADSW
36
V
LED output voltage (Pin 12,14,15,17)
VLED
36
V
FAIL ou...
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