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BL8088 반도체 회로 부품 판매점

8-Channel WLED Linear Driver



BELLING 로고
BELLING
BL8088 데이터시트, 핀배열, 회로
DESCRIPTION
The BL8088 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 BL8088 is suitable for
applications such as portable device display and
keypad backlighting. There are eight identical
channels in BL8088, each of which can drive one
LED by current rating of 20mA.
BL8088 is available with QFN 3X3-16 package
TYPICAL APPLICATION
Vin
VIN
1uF D1
EN
BLC8109888
EN
D2
D3
D4
D5
GND
D6
D8 D7
BLOCK DIAGRAM
BL8088
8-Channel WLED Linear Driver
FEATURES
8-channel output
2.7 to 5.5V input range
PWM dimming control, suggested 1KHz
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
NC NC NC EN
NC NC
VIN KD
GND
LLNYW
D8 D1
D7 D2
D6 D5 D4 D3
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1


BL8088 데이터시트, 핀배열, 회로
BL8088
MARKING INFORMATION
Product Classification
Marking
BL8088CJKTR
NC NC NC EN
KC: Product Code
KC
LLNYW
LL: LOT No.
N: FAB Code
Y: Year No.
W: Week No.
NC
VIN
D8
D7
KD
LLNYW
NC
GND
D1
D2
D6 D5 D4 D3
Top view
ORDERING INFORMATION
BL8088 1 2 3
Code
1
2
3
Description
Temperature & Rohs:
C: -40~85C, Pb Free Rohs Std.
Package type:
JK: QFN 3X3 16
Packing type:
TR: Tape&Reel (Standard)
PIN DESCRIPTION
Name
D1-D8
EN
VIN
GND
NC
Function Description
RGB or WLED Cathode Connection Pin
Chip Enable and Dimming Control.
Power Supply
Ground
Not Connected
ABSOLUTE MAXIMUM RATING
Supply voltage
Voltage of LEDn, EN pin
Maximum Junction Temperature
Operating Ambient Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
0.3V to 7V
0.3V to 7V
125°C
40°C to 85°C
40°C to 150°C
260°C
Note: Exceed these limits to damage to the device.
Note: Exposure to absolute maximum rating conditions may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Items
Supply Voltage Range
Operating Temperature
MIN
MAX
Unit
2.7 5.5 V
-25 85 °C
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BL8088 driver

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