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  Microsemi Electronic Components Datasheet  

LX6501 Datasheet

TM High Performance Multi-Lamp CCFL Controller

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TM
LX6501
® High Performance Multi-Lamp CCFL Controller
PRODUCTION DATA SHEET
DESCRIPTION
The LX6501 is a high performance The lamp current regulation
CCFL controller optimized for LCD- performance is also enhanced to
TV and other multi-lamp LCD display improve both the regulation accuracy
applications.
and the dynamic response at transient
The controller includes fully conditions.
integrated on chip gate drivers with In addition a comprehensive dimming
adequate capacity to drive N channel control feature is facilitated to satisfy
power MOSFET’s on both low side various brightness control requirements.
and high side of a full bridge inverter The LX6501 includes extensive fault
with input voltage of up to 27V. An detection functions, including open
on-chip regulator generates the lamp, over voltage, short circuit, over
internal driver operating voltage to current, and over temperature protection.
supply the output gate drive circuit. A programmable input Under Voltage
This allows a direct connection of the Lock Out (UVLO) protection circuit
controller to the inverter supply monitors the input voltage and protects
minimizing external components.
the inverter from under voltage
In addition, it also provides operation.
synchronization capability that allows The device is available in the 28 lead
the user to synchronize both the TSSOP, and SOWB surface mount
frequency and phase of the lamp packages in the industrial temperature
current between inverters or to an range.
external synchronization signal.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
Protected by U.S. Patent No. 7,112,929, Patents Pending
PRODUCT HIGHLIGHT
VIN
VIN LX6501
Regulator
And
UVLO
AOH
AOL
SYNC_IN
SYNC_OUT
Part
Synchronization
Control
GND
BOH
BOL
I_SNS
V_SNS
KEY FEATURES
ƒ Integrated Gate Driver to
Support High Side N Channel
MOSFET
ƒ 0.6A Sourcing and 1.2A
Sinking Drive Current
ƒ 10 to 27 Volt Power Rail for
Inverter Operation (35V
Absolute Maximum)
ƒ On Chip Regulator with Under
Voltage Lock Out Protection
ƒ Inverter Operating Frequency
and Phase Synchronization
ƒ Programmable Strike Time,
Fault Time, Strike Frequency,
and Burst Dimming Frequency
ƒ Multiple Voltage and Current
Sense Inputs
ƒ Programmable Input Under
Voltage Lockout
APPLICATIONS
ƒ LCD-TV
ƒ Multi-Lamp LCD Monitors
ƒ CCFL, EEFL, FFL Backlight
Systems
Copyright © 2007
Rev. 1.0, 2007-08-01
GND
PACKAGE ORDER INFO
Plastic TSSOP
Plastic SOWB
PW DWTA (°C)
28-Pin
RoHS Compliant / Pb-free
28-Pin
RoHS Compliant / Pb-free
-40 to 85
LX6501IPW
LX6501IDW
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX6501IPW-TR)
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1


  Microsemi Electronic Components Datasheet  

LX6501 Datasheet

TM High Performance Multi-Lamp CCFL Controller

No Preview Available !

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:
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
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570


Part Number LX6501
Description TM High Performance Multi-Lamp CCFL Controller
Maker Microsemi Corporation
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LX6501 Datasheet PDF






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