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ISL97651ARTZ-TK

更新时间： 2024-11-14 04:44:59
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
19页 315K
描述
4-Channel Integrated LCD Supply

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ISL97651ARTZ-TK 数据手册

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ISL97651  
®
Data Sheet  
March 15, 2007  
FN7493.2  
4-Channel Integrated LCD Supply  
Features  
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  
• 4V to 5.5V input supply  
• A boost up to 20V, with integrated 4.4A FET  
VDD  
• Integrated V  
charge pump, up to 34V out  
A
generation, an integrated V  
charge pump, a V  
OFF  
ON  
VDD  
ON  
slicing circuitry and a buck  
charge pump driver, V  
ON  
regulator with 2A switch for logic generation.  
• V  
• V  
charge pump driver, down to -18V  
OFF  
buck down to 1.2V, with integrated 2A FET  
LOGIC  
The ISL97651 have been designed for ease of layout and  
low BOM cost. Supply sequencing is integrated for both  
• Automatic start-up sequencing  
- A -> V -> V or A  
/V  
-> V  
ON  
VDD OFF VDD OFF  
ON  
A
-> V  
-> V  
and A  
/V  
-> V  
sequences.  
VDD  
OFF  
ON  
VDD OFF  
ON  
- Independent logic enable  
The TFT power sequence uses a separate enable to the  
logic buck regulator for maximum flexibility.  
• V slicing  
ON  
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.  
• Thermally enhanced thin QFN package (6mmx6mm)  
• Pb-free plus anneal available (RoHS compliant)  
Applications  
• LCD monitors (15”+)  
• LCD-TVs (40”+)  
Pinout  
ISL97651  
(36 LD TQFN)  
TOP VIEW  
• Notebook displays (up to 16”)  
• Industrial/medical LCD displays  
Ordering Information  
PART NUMBER  
(Note)  
PART  
MARKING  
TAPE & PACKAGE PKG.  
REEL (Pb-Free) DWG. #  
VIN1  
LX1  
1
2
3
4
5
6
7
8
9
27 AGND  
26 PGND1  
25 PGND2  
24 VINL  
ISL97651ARTZ-T ISL976 51ARTZ 13” 36 Ld 6x6 L36.6x6  
(4k pcs) TQFN  
LX2  
ISL97651ARTZ-TK ISL976 51ARTZ 13” 36 Ld 6x6 L36.6x6  
(1k pcs) TQFN  
CB  
THERMAL  
PAD  
LXL  
VSUP  
FBL  
CM2  
CTL  
23 NOUT  
22 PGND3  
21 FBN  
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.  
20 VREF  
19 FBP  
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  
1
All other trademarks mentioned are the property of their respective owners.  
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