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LT3991 参数 Datasheet PDF下载

LT3991图片预览
型号: LT3991
PDF下载: 下载PDF文件 查看货源
内容描述: 高效率, 65V, 500mA同步降压转换器 [High Efficiency, 65V 500mA Synchronous Step-Down Converter]
分类和应用: 转换器
文件页数/大小: 26 页 / 260 K
品牌: Linear Systems [ Linear Systems ]
 浏览型号LT3991的Datasheet PDF文件第18页浏览型号LT3991的Datasheet PDF文件第19页浏览型号LT3991的Datasheet PDF文件第20页浏览型号LT3991的Datasheet PDF文件第21页浏览型号LT3991的Datasheet PDF文件第22页浏览型号LT3991的Datasheet PDF文件第24页浏览型号LT3991的Datasheet PDF文件第25页浏览型号LT3991的Datasheet PDF文件第26页  
LTC3630  
PACKAGE DESCRIPTION  
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.  
MSE Package  
Variation: MSE16 (12)  
16-Lead Plastic MSOP with 4 Pins Removed  
Exposed Die Pad  
(Reference LTC DWG # 05-08-1871 Rev C)  
BOTTOM VIEW OF  
EXPOSED PAD OPTION  
2.845 t 0.102  
(.112 t .004)  
2.845 t 0.102  
(.112 t .004)  
0.889 t 0.127  
(.035 t .005)  
1
8
0.35  
REF  
5.23  
(.206)  
MIN  
1.651 t 0.102  
(.065 t .004)  
1.651 t 0.102  
(.065 t .004)  
3.20 – 3.45  
(.126 – .136)  
0.12 REF  
DETAIL “B”  
CORNER TAIL IS PART OF  
THE LEADFRAME FEATURE.  
FOR REFERENCE ONLY  
DETAIL “B”  
16  
9
0.305 t 0.038  
0.50  
NO MEASUREMENT PURPOSE  
4.039 t 0.102  
(.159 t .004)  
(NOTE 3)  
(.0120 t .0015)  
(.0197)  
1.0  
(.039)  
BSC  
TYP  
BSC  
0.280 t 0.076  
(.011 t .003)  
16 14 121110  
9
RECOMMENDED SOLDER PAD LAYOUT  
REF  
DETAIL “A”  
0.254  
(.010)  
3.00 t 0.102  
(.118 t .004)  
(NOTE 4)  
0s – 6s TYP  
4.90 t 0.152  
(.193 t .006)  
GAUGE PLANE  
0.53 t 0.152  
(.021 t .006)  
1
3 5 6 7 8  
1.0  
DETAIL “A”  
0.86  
(.034)  
REF  
1.10  
(.043)  
MAX  
0.18  
(.007)  
(.039)  
BSC  
SEATING  
PLANE  
0.17 – 0.27  
(.007 – .011)  
TYP  
0.1016 t 0.0508  
(.004 t .002)  
MSOP (MSE16(12)) 0911 REV C  
0.50  
(.0197)  
BSC  
NOTE:  
1. DIMENSIONS IN MILLIMETER/(INCH)  
2. DRAWING NOT TO SCALE  
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.  
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE  
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.  
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE  
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX  
6. EXPOSED PAD DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH ON E-PAD SHALL  
NOT EXCEED 0.254mm (.010") PER SIDE.  
3630fb  
23  
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