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ISL97650B PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL97650B
部品説明 4-Channel Integrated LCD Supply
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL97650B Datasheet, ISL97650B PDF,ピン配置, 機能
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Data Sheet
July 31, 2008
ISL97650B
FN6748.0
4-Channel Integrated LCD Supply
The ISL97650B represents a high power, integrated LCD
supply IC targeted at large panel LCD displays. The
ISL97650B integrates a high power, 3.2A 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 ISL97650B 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 4.2V to 14V input supply. The current mode
buck offers superior line and load regulation. Available in the
36 Ld TQFN package, the ISL97650B is specified for ambient
operation over the -40°C to +105°C temperature range.
Pinout
ISL97650B
(36 LD TQFN)
TOP VIEW
LX1 1
LX2 2
CB 3
www.DataSheet4U.com
LXL 4
NC 5
VSUP 6
FBL 7
CM2 8
CTL 9
THERMAL
PAD
27 AGND1
26 PGND1
25 PGND2
24 VINL
23 NOUT
22 PGND3
21 FBN
20 VREF
19 FBP
Features
• 4.2V to 14V input supply
• AVDD boost up to 20V, with integrated 3.2A 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 plus anneal available (RoHS compliant)
Applications
• LCD monitors (15”+)
• LCD-TVs (up to 40”)
• Notebook displays (up to 16”)
• Industrial/medical LCD displays
Ordering Information
PART NUMBER
(Note)
PART
MARKING
PACKAGE PKG.
(Pb-Free) DWG. #
ISL97650BIRTZ-T* ISL976 50BIRTZ 36 Ld 6x6 TQFN L36.6x6
ISL97650BIRTZ-TK* ISL976 50BIRTZ 36 Ld 6x6 TQFN L36.6x6
*Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination
finish, which is 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. 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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