LM5166
ZHCSFV4B –DECEMBER 2016–REVISED JUNE 2017
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目录
7.4 Device Functional Modes........................................ 25
Applications and Implementation ...................... 26
8.1 Application Information............................................ 26
8.2 Typical Applications ................................................ 26
Power Supply Recommendations...................... 44
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3
4
5
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特性.......................................................................... 1
应用.......................................................................... 1
说明.......................................................................... 1
修订历史记录 ........................................................... 2
Pin Configuration and Functions......................... 3
Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information.................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics.......................................... 6
6.7 Typical Characteristics.............................................. 7
Detailed Description ............................................ 14
7.1 Overview ................................................................. 14
7.2 Functional Block Diagram ....................................... 14
7.3 Feature Description................................................. 15
8
9
10 Layout................................................................... 44
10.1 Layout Guidelines ................................................. 44
10.2 Layout Example .................................................... 46
11 器件和文档支持 ..................................................... 47
11.1 器件支持................................................................ 47
11.2 文档支持................................................................ 47
11.3 接收文档更新通知 ................................................. 48
11.4 社区资源................................................................ 48
11.5 商标....................................................................... 48
11.6 静电放电警告......................................................... 48
11.7 Glossary................................................................ 48
12 机械、封装和可订购信息....................................... 48
7
4 修订历史记录
Changes from Revision A (December 2016) to Revision B
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根据最新 TI 文档和翻译标准更新了数据表文本 ...................................................................................................................... 1
更改了 WEBENCH 列表项的语言；在数据表中添加了有关 WEBENCH 的其他内容和链接.................................................. 1
在数据表中添加了 LM5166X 和 LM5166Y 输出版本.............................................................................................................. 1
将器件信息 表中的“封装尺寸（标称值）”列替换成了“输出版本” ............................................................................................ 1
将典型 COT 模式应用 电路更改成了固定 5V 输出 ................................................................................................................. 1
Changed the EN absolute maximum voltage from (VVIN + 0.3 V) to 68 V ............................................................................ 4
Deleted note 5 under the Absolute Maximum Ratings table ................................................................................................. 4
Changed the EN max operating voltage from VVIN to 65 V ................................................................................................... 4
Removed note 2 under the Recommended Operating Conditions......................................................................................... 4
Changed the IFB maximum from: 100 nA to: 25 nA ............................................................................................................... 5
Added 图 13 and 图 14........................................................................................................................................................... 8
Modified the Functional Block Diagram graphic ................................................................................................................... 14
Changed RDSON1 to RDSON2 in 公式 3 ................................................................................................................................... 17
Updated 公式 12 .................................................................................................................................................................. 19
Added a link to TI Design TIDA-01395 to the Typical Applications section ......................................................................... 26
Changed Design 3 to a 3.3-V fixed output, LM5166Y.......................................................................................................... 35
Added a new part number to CIN ref description .................................................................................................................. 35
Added a new part number to LF ref description.................................................................................................................... 38
Added the Design 5: 12-V, 300-mA COT Converter Operating from 24-V or 48-V Input section to Typical Applications... 41
Changed the PCB Layout and PCB Layout Guidelines section names to Layout and Layout Guidelines.......................... 44
向文档支持 部分添加了内容.................................................................................................................................................. 47
Changes from Original (December 2016) to Revision A
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将数据表状态从“产品预览”更改成了“生产数据”....................................................................................................................... 1
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Copyright © 2016–2017, Texas Instruments Incorporated
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