■ FEATURES BL8581 BL8581
No external component required
PWM dimming control available
Low noise and EMI
LED sink current of 20mA
Independent current sink circuit for each LED
output
Versatile supply voltage range
Low standby current
High accuracy current match on each channel
■ APPLICATIONS BL8581 BL8581
Small Size Color LCD Backlights Driver
Mobile Phone, Portable Device Keypad
Backlights Driver
■ DESCRIPTOIN
The BL8580/1 is a CMOS based
White/Blue LED driver with stand-alone
capability. The driver is primarily designed
for LED backlighting of LCD display
powered by Li-ion battery With its high
efficiency, low standby current and wide
range of input supply voltage, the BL8580/1
is suitable for applications such as portable
device display and keypad backlighting.
In portable application, three or
four-channel LED solutions are popular.
BL8580 has three LED channels with a
SOT-23-6 package. BL8581 has four LED
channels with a SOP-8 package BL8581 BL8581
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