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TPS54560
ZHCSC58C –MARCH 2013–REVISED MARCH 2017
www.ti.com.cn
版权 © 2013–2017, 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 Pin Configuration and Functions......................... 4
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information.................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Timing Requirements................................................ 7
6.7 Typical Characteristics.............................................. 7
7 Detailed Description............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description ................................................ 12
7.4 Device Functional Modes........................................ 23
8 Application and Implementation ........................ 24
8.1 Application Information............................................ 24
8.2 Typical Application .................................................. 24
8.3 Inverting Power ....................................................... 37
8.4 Split Rail Power Supply........................................... 37
9 Power Supply Recommendations...................... 38
10 Layout................................................................... 39
10.1 Layout Guidelines ................................................. 39
10.2 Layout Examples................................................... 39
11 器器件件和和文文档档支支持持 ..................................................... 40
11.1 器件支持................................................................ 40
11.2 接收文档更新通知 ................................................. 40
11.3 社区资源................................................................ 40
11.4 商标 ....................................................................... 40
11.5 静电放电警告......................................................... 40
11.6 Glossary................................................................ 40
12 机机械械、、封封装装和和可可订订购购信信息息....................................... 40
4 修修订订历历史史记记录录
Changes from Revision B (August 2016) to Revision C Page
• 更改了 WEBENCH 特性 ......................................................................................................................................................... 1
• Deleted graph: "5V Start/Stop Voltage" from the Typical Characteristics ............................................................................ 10
• Updated text and added Equation 1 in the Low Dropout Operation and Bootstrap Voltage (BOOT) ................................. 13
• Added section: Custom Design with WEBENCH® Tool ..................................................................................................... 25
• Added new section: Minimum Input Voltage, V
IN
................................................................................................................. 30
• Deleted 2 graphs named "Low Dropout Operation" from the Application Curves section ................................................... 33
• 增加了
使用
WEBENCH®
工具定制设计方案
部分................................................................................................................. 40
Changes from Revision A (March 2014) to Revision B Page
• Changed Package type from HSOIC to HSOP ...................................................................................................................... 4
• Moved T
STG
spec from Handling (ESD) ratings table to Absolute Max Ratings table. .......................................................... 5
• Added ± sign to ESD voltages ............................................................................................................................................... 5
• Changed µMhos to µs (Siemens) for the Error Amp specification to align with JEDEC ....................................................... 7
• Changed conditions statement From "V
IN
= 12 V " To "T
A
= 25°C " for Figure 16................................................................. 9
• Changed Equation 7 and Equation 8 ................................................................................................................................... 15
• Added NOTE to Application and Implementation section ................................................................................................... 24
• Changed Equation 27 .......................................................................................................................................................... 25
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