2
TL431
,
TL432
ZHCSJ14P –AUGUST 2004–REVISED NOVEMBER 2018
www.ti.com.cn
版权 © 2004–2018, 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 修修订订历历史史记记录录 ........................................................... 2
5 器器件件比比较较表表............................................................... 3
6 Pin Configuration and Functions......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Thermal Information.................................................. 5
7.4 Recommended Operating Conditions....................... 5
7.5 Electrical Characteristics, TL431C, TL432C............. 6
7.6 Electrical Characteristics, TL431I, TL432I ................ 7
7.7 Electrical Characteristics, TL431Q, TL432Q............. 8
7.8 Electrical Characteristics, TL431AC, TL432AC ........ 9
7.9 Electrical Characteristics, TL431AI, TL432AI ......... 10
7.10 Electrical Characteristics, TL431AQ, TL432AQ.... 11
7.11 Electrical Characteristics, TL431BC, TL432BC .... 12
7.12 Electrical Characteristics, TL431BI, TL432BI ....... 13
7.13 Electrical Characteristics, TL431BQ, TL432BQ.... 14
7.14 Typical Characteristics.......................................... 15
8 Parameter Measurement Information ................ 19
9 Detailed Description............................................ 20
9.1 Overview ................................................................. 20
9.2 Functional Block Diagram ....................................... 20
9.3 Feature Description................................................. 21
9.4 Device Functional Modes........................................ 21
10 Applications and Implementation...................... 22
10.1 Application Information.......................................... 22
10.2 Typical Applications .............................................. 22
10.3 System Examples ................................................. 27
11 Power Supply Recommendations ..................... 30
12 Layout................................................................... 30
12.1 Layout Guidelines ................................................. 30
12.2 Layout Example .................................................... 30
13 器器件件和和文文档档支支持持 ..................................................... 31
13.1 器件命名规则......................................................... 31
13.2 相关链接................................................................ 31
13.3 接收文档更新通知 ................................................. 31
13.4 社区资源................................................................ 31
13.5 商标 ....................................................................... 31
13.6 静电放电警告......................................................... 31
13.7 术语表 ................................................................... 32
14 机机械械、、封封装装和和可可订订购购信信息息....................................... 32
4 修修订订历历史史记记录录
Changes from Revision O (January 2015) to Revision P Page
• 向
说明
部分.............................................................................................................................................................................. 1
• 添加了 TL43x
器件比较表
....................................................................................................................................................... 3
• 添加了 TL43x
器件命名规则
部分 .......................................................................................................................................... 31
Changes from Revision N (January 2014) to Revision O Page
• 添加了
应用
、
器件信息
表、
引脚功能
表、ESD
额定值
表、
热性能信息
表、
特性 说明
部分、
器件功能模式
、
应用和
实施
部分、
电源相关建议
部分、
布局
部分、
器件和文档支持
部分以及
机械、封装和可订购信息
部分。 ............................ 1
• 已添加 应用............................................................................................................................................................................. 1
• Moved Typical Characteristics into Specifications section. ................................................................................................. 15
Changes from Revision M (July 2012) to Revision N Page
• 更新了文档格式....................................................................................................................................................................... 1
• Removed Ordering Information table. .................................................................................................................................... 4
• Added Application Note links................................................................................................................................................ 22
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