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BL8581A

BELLING
Part Number BL8581A
Manufacturer BELLING
Description 4-Channels WLED Linear Driver
Published Jul 18, 2015
Detailed Description BL8581A PWM or Singl-Wire Dimming, 4-Channels WLED Linear Driver DESCRIPTION The BL8581A is a CMOS based White/Blue LE...
Datasheet PDF File BL8581A PDF File

BL8581A
BL8581A

Overview
BL8581A PWM or Singl-Wire Dimming, 4-Channels WLED Linear Driver DESCRIPTION The BL8581A 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 BL8581A is suitable for applications such as portable device display and keypad backlighting.
It can realize PWM or single-wire dimming control through EN pin.
BL8581A has four LED channels with MSOP8 or QFN 3X3 -16 package.
FEATURES • 2.
7 to 5.
5V input range • Single-wire dimming control with linear 16- steps • PWM dimming control • LED sink current of max.
20mA • Independent current sink circuit for each LED output • Low standby current • High accuracy current match on each channel APPLICATIONS • Small Size Color LCD Backlights Driver • Mobile Phone, Portable DeviEN Keypad Backlights Driver TYPICAL APPLICATION www.
belling.
com.
cn 1 MARKING INFORMATION Product Classification Marking BL8581ACE8TR KB: Product KB YYBZZ Code YY: LOT No.
B: FAB Code ZZ: Date Code Product Classification Marking LED1 LED2 LED3 LED4 8 7 65 KB YYBNN 1 2 34 GND EN VCC GND Top view BL8581ACJKATR NC NC NC LED1 16 15 14 13 NC 1 12 LED2 KBA: Product KBA YYBZZ Code YY: LOT No B: FAB Code ZZ: Date Code NC 2 NC 3 KBA YYBNN 11 LED3 10 LED4 NC 4 5 67 GND GND VCC 9 NC 8 EN Product Classification Marking Top view BL8581ACJKBTR EN 16 NC 1 NC GND VCC 15 14 13 12 NC KBB: Product KBB YYBZZ Code YY: LOT No B: FAB Code ZZ: Date Code NC 2 LED1 3 KBB YYBNN LED2 4 5 67 LED3 LED4 NC 11 NC 10 NC 9 NC 8 NC Product Classification Marking Top view BL8581ACJKCTR NC EN GND VCC 16 15 14 13 NC 1 12 NC KBC: Product KBC YYBZZ Code YY: LOT No B: FAB Code ZZ: Date Code NC 2 LED1 3 KBC YYBNN 11 NC 10 NC LED2 4 9 NC 5 678 LED3 LED4 GND VCC Top view BL8581A ORDERING INFORMATION BL8581A □1 □2 □3 Code □1 □2 □3 Description Temperature...


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