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LX1693 반도체 회로 부품 판매점

High Performance CCFL Controller w/ALS



Microsemi Corporation 로고
Microsemi Corporation
LX1693 데이터시트, 핀배열, 회로
www.DataSheet4U.com
TM
LX1693
® High Performance CCFL Controller w/ALS
PRODUCTION DATA SHEET
DESCRIPTION
The LX1693 is a high performance synchronize to an external signal.
CCFL controller optimized for wide Digital Dimming duty cycle is
input voltage range notebook display controlled by providing either a DC
back lighting applications.
voltage or a PWM signal to the
Its new brightness control BRITE_D pin. The LX1693 can be
architecture provides versatile support operated directly from the battery
for ambient light sensor (ALS) control without the need of an external 5V
of panel brightness. It also supports supply from the system.
Intel’s DPST (Display Power Saving The LX1693 power stage includes
Technology) that adjusts the direct coupled full bridge high voltage
brightness as a function of video drivers for the external N-channel high
content. The ALS control architecture side and N-channel low side power
is compatible with all Microsemi FETs.
visible light sensor products.
The LX1693 includes lamp current
The controller’s digital dimming and open lamp voltage regulation,
mode includes three brightness inputs: fully programmable lamp frequency and
ALS_IN for the light sensor, burst dimming frequency oscillators,
BRITE_D for brightness and and our patented fool-proof lamp strike
BST_SYNC for digital dimming and circuitry.
synchronization..
Analog programmable open lamp
Burst frequency can be controlled strike time-out, over voltage, and short
either by the on chip burst oscillator or circuit fault detection are fully
directly by an external logic signal at implemented.
BST_SYNC. The on chip burst The LX1693 is available in the 28 pin 4
oscillator can either free run or
x5 MLPQ surface mount package.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
Protected by U.S. Patents: 5,615,093; 5,923,129; 5,930,121; 6,198,234; 7,112,929; Patents Pending
PRODUCT HIGHLIGHT
KEY FEATURES
ƒ 7 to 25 Volts Wide Input Voltage
Range
ƒ Versatile Support for Ambient Light
Sensor Brightness Control
ƒ Resistor Programmable Lamp
Operating Frequency within ±4%
Tolerance
ƒ Resistor Programmable Burst
Operating Frequency
ƒ Support IntelTM DPST for System
PWM input
ƒ Compatible with Microsemi’s new
SMBus CCFL controllers
ƒ Fully Programmable Open Lamp
and Load Fault Time Outs
ƒ On Chip Full Wave Rectifiers for
Lamp Voltage and Current
ƒ Cost Effective and Low Parts Count
Inverter Modules
ƒ Uses Industry Standard High
Voltage Transformers
APPLICATIONS
ƒ Note Book LCD displays
ƒ Transportable Computers
ƒ Web Tablet LCD displays
Copyright © 2007
Rev 1.0, 8/1/2007
PACKAGE ORDER INFO
TA (°C)
LQ Plastic MLPQ 4x5mm 28 pin
RoHS Compliant / Pb-free
-20 to 70
LX1693CLQ
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1693CLQ-TR)
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1


LX1693 데이터시트, 핀배열, 회로
www.DataSheet4U.com
TM
®
INFORMATION
Thank you for your interest in Microsemi® Analog Mixed Signal products.
The full data sheet for this device contains proprietary information.
To obtain a copy, please contact your local Microsemi sales representative. The
name of your local representative can be obtained at the following link
http://www.microsemi.com/contact/contactfind.asp
or
Contact us directly by sending an email to:
Be sure to specify the data sheet you are requesting and include your company
name and contact information and or vcard.
We look forward to hearing from you.
Copyright
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570




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