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ISL97650 Datasheet(PDF) 1 Page - Renesas Technology Corp

No. de pieza ISL97650
Descripción Electrónicos  4-Channel Integrated LCD Supply
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL97650 Datasheet(HTML) 1 Page - Renesas Technology Corp

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FN9198
Rev.4.00
April 17, 2009
ISL97650
4-Channel Integrated LCD Supply
DATASHEET
FN9198 Rev.4.00
Page 1 of 20
April 17, 2009
4-Channel Integrated LCD Supply
The ISL97650 represents a high power, integrated LCD
supply IC targeted at large panel LCD displays. The
ISL97650 integrates a high power, 2.6A boost converter for
AVDD generation, an integrated VON charge pump, a VOFF
charge pump driver, VON slicing circuitry and a buck
regulator with 2A switch for logic generation.
The ISL97650 has been designed for ease of layout and low
BOM cost. Supply sequencing is integrated for both
AVDD -> VOFF -> VON and AVDD/VOFF -> VON sequences.
The TFT power sequence uses a separate enable to the
logic buck regulator for maximum flexibility.
Peak efficiencies are >90% for both the boost and buck while
operating from a 4V to 14V input supply. The current mode
buck offers superior line and load regulation. Available in the
36 Ld TQFN package, the ISL97650 is specified for ambient
operation over the -40°C to +105°C temperature range.
Pinout
ISL97650
(36 LD TQFN)
TOP VIEW
Features
• 4V to 14V Input Supply
•AVDD Boost Up to 20V, with Integrated 2.8A FET
• Integrated VON Charge Pump, Up to 35VOUT
•VOFF Charge Pump Driver, Down to -18V
•VLOGIC Buck Down to 1.2V, with Integrated 2A FET
• Automatic Start-up Sequencing
-AVDD -> VOFF -> VON or AVDD/VOFF -> VON
- Independent Logic Enable
•VON Slicing
• Thermally Enhanced 6x6 Thin QFN Package
• Pb-free (RoHS compliant)
Applications
• LCD Monitors (15”+)
• LCD-TVs (up to 40”)
• Notebook Displays (up to 16”)
• Industrial/Medical LCD Displays
THERMAL
PAD
27
26
25
24
23
22
21
1
2
3
4
5
6
7
LX1
LX2
CB
LXL
NC
VSUP
FBL
AGND1
PGND1
PGND2
VINL
NOUT
PGND3
FBN
8
9
20
19
VREF
FBP
CM2
CTL
Ordering Information
PART NUMBER
(Note)
PART
MARKING
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL97650ARTZ-T*
ISL976 50ARTZ
36 Ld 6x6
Thin TQFN
L36.6x6
ISL97650ARTZ-TK*
ISL976 50ARTZ
36 Ld 6x6
Thin TQFN
L36.6x6
*Please refer to TB347 for details on reel specifications
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
NOT RE
COMM
ENDED
FOR NE
W DES
IGNS
NO RE
COMM
ENDED
REPLA
CEMEN
T


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