lx1697clq Microsemi Corporation, lx1697clq Datasheet
lx1697clq
Manufacturer Part Number
lx1697clq
Description
High Performance Ccfl Controller
Manufacturer
Microsemi Corporation
Datasheet
1.LX1697CLQ.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LX1697CLQ
Manufacturer:
MICROSEM
Quantity:
20 000
Copyright © 2007
Rev 1.1, 5/5/2008
CCFL controller optimized for wide
input voltage range notebook display
back lighting applications.
supports Intel’s DPST (Display Power
Saving Technology) that adjusts the
brightness as a function of video
content.
controlled by providing either a dc
voltage or a digital PWM signal to the
BRITE_D pin. Burst frequency can
be controlled either by the on chip
burst oscillator or directly by a low
frequency PWM logic signal at
BRITE_D.
5.1V regulator so it can be operated
directly from the battery without the
need of an external 5V supply from
the system. The controller’s power
IMPORTANT: For the most current data, consult MICROSEMI’s website:
Protected by U.S. Patents: 5,615,093; 5,923,129; 5,930,121; 6,198,234; 7,112,929; Patents Pending
The LX1697 is a high performance
Its brightness control architecture
The LX1697 includes a built in
Digital Dimming duty cycle is
TM
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1697CLQ-TR)
-20 to 70
T
A
D E S C R I P T I O N
(°C)
BATTERY VOLTAGE
( 7V – 25V)
BLIM
OFF
LQ
stage consists of direct coupled full
bridge high voltage drivers for the
external N-channel high side and N-
channel low side power FETs.
and open lamp voltage regulation,
fully programmable lamp frequency and
burst dimming frequency oscillators,
and our patented fool-proof lamp strike
circuitry.
input, under-voltage lockout, analog
programmable open lamp strike time-
out, over voltage, and short circuit fault
detection.
Microsemi’s LX1801 SMBus controller
to
interfaced backlight control system.
pin 4x4 mm MLPQ surface mount
package and is specified from -20°C to
70°C.
The LX1697 includes lamp current
Additional features comprise an enable
The LX1697 can also be used with
ON
The LX1697 is available in the 24
P A C K A G E O R D E R I N F O
provide
Analog Mixed Signal Group
Plastic 24pin MLPQ 4x4mm
ENABLE
P R O D U C T H I G H L I G H T
BRITE_D
DIM_MODE
®
Microsemi
http://www.microsemi.com
a
LX1697
RoHS Compliant / Pb-free
completely
LX1697CLQ
VSNS
PGND
BOH
AOH
ISNS
VBH
BOL
VBS
VAH
AOL
VAS
High Performance CCFL Controller
VDD
digital
VDD
P
RODUCTION
VBAT
VBAT
7 to 25 Volts Wide Input Voltage
Range
Resistor Programmable Lamp
Operating Frequency within ±3%
Tolerance
Resistor Programmable Burst
Operating Frequency
Support Intel
PWM input
Compatible with Microsemi’s new
SMBus CCFL controllers
Fully Programmable Open Lamp
and Load Fault Time Outs
On Chip Full Wave Rectifiers for
Lamp Voltage and Current
Cost Effective and Low Parts Count
Inverter Modules
Uses Industry Standard High
Voltage Transformers
Note Book LCD displays
Transportable Computers
Web Tablet LCD displays
D
ATA
K E Y F E A T U R E S
A P P L I C A T I O N S
S
HEET
TM
DPST for System
LX1697
Page 1
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lx1697clq Summary of contents
Page 1
... Protected by U.S. Patents: 5,615,093; 5,923,129; 5,930,121; 6,198,234; 7,112,929; Patents Pending BATTERY VOLTAGE T (° Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1697CLQ-TR) Copyright © 2007 Rev 1.1, 5/5/2008 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® High Performance CCFL Controller ...
Page 2
... 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: IPGdatasheets@microsemi.com 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 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® ...