BL8584 Datasheet, PDF (1/5 Pages) SHANGHAI BELLING CO., LTD. – 6-Channels WLED Linear Driver

DESCRIPTION
The BL8584 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 BL8584 is suitable for
applications such as portable device display and
keypad backlighting. There are six identical
channels in BL8584, each of which can drive one
LED by current rating of 20mA.
BL8584 is available with QFN 3X3-16 package
TYPICAL APPLICATION
BL8584
6-Channels WLED Linear Driver
FEATURES
• 6-channels output
• 2.7 to 5.5V input range
• PWM dimming control
• LED sink current of 20mA
• Independent current sink circuit for each LED
output
• Low standby current
• High accuracy current match on each channel
APPLICATIONS
• LCD screen backlights driver
• Mobile phone, portable device keypad
backlights driver
PIN ASSIGNMENT
BL8584
BLOCK DIAGRAM
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