2
TPS92638-Q1
ZHCSDK4C –SEPTEMBER 2014–REVISED JANUARY 2020
www.ti.com.cn
Copyright © 2014–2020, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用.......................................................................... 1
3 说说明明.......................................................................... 1
4 典典型型应应用用原原理理图图........................................................ 1
5 修修订订历历史史记记录录 ........................................................... 2
6 Pin Configuration and Functions......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information.................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Switching Characteristics.......................................... 6
7.7 Typical Characteristics.............................................. 7
8 Parameter Measurement Information ................ 12
9 Detailed Description............................................ 13
9.1 Overview ................................................................. 13
9.2 Functional Block Diagram ....................................... 13
9.3 Feature Description................................................. 14
9.4 Device Functional Modes........................................ 20
10 Application and Implementation........................ 21
10.1 Application Information.......................................... 21
10.2 Typical Applications .............................................. 21
11 Power Supply Recommendations ..................... 28
12 Layout................................................................... 28
12.1 Layout Guidelines ................................................. 28
12.2 Layout Example .................................................... 28
12.3 Thermal Information.............................................. 29
13 器器件件和和文文档档支支持持 ..................................................... 30
13.1 商标 ....................................................................... 30
13.2 静电放电警告......................................................... 30
13.3 Glossary................................................................ 30
14 机机械械、、封封装装和和可可订订购购信信息息....................................... 30
5 修修订订历历史史记记录录
Changes from Revision B (March 2015) to Revision C Page
• 向
特性
部分添加了功能安全链接 ............................................................................................................................................ 1
Changes from Revision A (November 2014) to Revision B Page
• 已更改通道精度和器件精度的值 ............................................................................................................................................. 1
• 删除了 “说明” 部分中第四段的文本 ........................................................................................................................................ 1
Changes from Original (September 2014) to Revision A Page
• 已更改 更改了 “特性” 列表中的某些项目................................................................................................................................. 1
• 已更改 更改了 “应用” 部分中的项目 ....................................................................................................................................... 1
• 已更改 用新文本更改了 “说明” 部分的段落 ............................................................................................................................. 1
• Deleted the existing Pin Functions table and replaced with new one ................................................................................... 3
• Added new sections and subsections to the data sheet beginning with the Specifications section ...................................... 4