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A708YFT Datasheet

  • A708YFT

  • 3 CHANNELS 20mA ADVANCED CURRENT REGULATOR

  • 8頁

  • ADDTEK

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A708
www.addmtek.com
DESCRIPTION
The A708 is a 3 channels 20mA advanced current
regulator for driving LEDs. Only bypass capacitor is
required and the noise is very low. The special circuit
design provides over 90% efficiency because of the very
low dropout voltage.
Target end applications are LED backlights for color
LCD display, such as mobile phone, smart phone, PDA,
notebook, and monitor, etc.
A
DVANCED
3 C
HANNELS
20mA
C
URRENT
R
EGULATOR
FEATURES
Fixed 20mA DC constant sink current.
Individual current sink circuit for each LED
string to prevent short / open circuit on LEDs.
TSOT-26 package available.
High efficiency.
Supply voltage range 2.7V ~ 12V.
Output sustaining voltage up to 17V.
0.1uA standby current.
2KV HBM ESD protection.
Advanced Bi-CMOS process.
TYPICAL APPLICATION CIRCUIT
APPLICATIONS
Small Size Color LCD Backlights.
V
LED+
Mobile Phone, Smart Phone.
C
BP
LED Backlight for Portable DVD, NB, Monitors,
and UMPC.
PACKAGE PIN OUT
V
DD
1
LED1
LED2
LED3
6
LED1
5
LED2
4
LED3
A708
GND
2
EN
3
V
DD
C
IN
Enable
VDD
A708
EN
GND
A708
TSOT-26
ORDER INFORMATION
T
A
(擄C)
-40 ~ 85
Y
Plastic TSOT-26
6-pin
A708YFT
Note: The letter 鈥滷鈥?is marked for Lead Free process, and letter 鈥淭鈥?is marked for Tape & Reel.
Copyright
漏
2007 ADDtek Corp.
1
DD076_A
--
AUGUST 2007

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