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ISL97651 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL97651
部品説明 4-Channel Integrated LCD Supply
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL97651 Datasheet, ISL97651 PDF,ピン配置, 機能
®
Data Sheet
March 15, 2007
ISL97651
FN7493.2
4-Channel Integrated LCD Supply
The ISL97651 represents a high power, integrated LCD
supply IC targeted at large panel LCD displays. The
ISL97651 integrates a high power, 4.4A 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 ISL97651 have 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 boost and 92% for buck while
operating from a 4V to 5.5V input supply. The current mode
buck offers superior line and load regulation. Available in the
36 Ld QFN package, the ISL97651 is specified for ambient
operation over the -40°C to +105°C temperature range.
Pinout
ISL97651
(36 LD TQFN)
TOP VIEW
VIN1 1
LX1 2
LX2 3
CB 4
LXL 5
VSUP 6
FBL 7
CM2 8
CTL 9
THERMAL
PAD
27 AGND
26 PGND1
25 PGND2
24 VINL
23 NOUT
22 PGND3
21 FBN
20 VREF
19 FBP
Features
• 4V to 5.5V input supply
• AVDD boost up to 20V, with integrated 4.4A FET
• Integrated VON charge pump, up to 34V out
• 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 thin QFN package (6mmx6mm)
• Pb-free plus anneal available (RoHS compliant)
Applications
• LCD monitors (15”+)
• LCD-TVs (40”+)
• Notebook displays (up to 16”)
• Industrial/medical LCD displays
Ordering Information
PART NUMBER
(Note)
PART
TAPE & PACKAGE PKG.
MARKING REEL (Pb-Free) DWG. #
ISL97651ARTZ-T ISL976 51ARTZ 13” 36 Ld 6x6 L36.6x6
(4k pcs) TQFN
ISL97651ARTZ-TK ISL976 51ARTZ 13” 36 Ld 6x6 L36.6x6
(1k pcs) TQFN
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.
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006, 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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