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
2
应用
可重新配置仪表组
车身控制模块(BCM)
常开型电池连接应用:
汽车网关
远程免钥匙进入 (RKE)
线路瞬态响应(V
IN
压摆率 3V/µs)