ZHCSMK8A
December 2020 – April 2021
TPS7B87-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power-Good (PG)
7.3.2
Adjustable Power-Good Delay Timer (DELAY)
7.3.3
Undervoltage Lockout
7.3.4
Thermal Shutdown
7.3.5
Current Limit
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Input and Output Capacitor Selection
8.1.2
Dropout Voltage
8.1.3
Reverse Current
8.1.4
Power Dissipation (PD)
8.1.4.1
Thermal Performance Versus Copper Area
8.1.4.2
Power Dissipation Versus Ambient Temperature
8.1.5
Estimating Junction Temperature
8.1.6
Pulling Up the PG Pin to a Different Voltage
8.1.7
Power-Good
8.1.7.1
Setting the Adjustable Power-Good Delay
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Capacitor
8.2.2.2
Output Capacitor
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Package Mounting
10.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
10.2
Layout Examples
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.1.2
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
KVU|5
MPSF019
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD178C
KVU|5
QFND405
订购信息
zhcsmk8a_oa
zhcsmk8a_pm
11.6
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。