ZHCSOZ7A
june 2022 – august 2023
TPS7B4255-Q1
PRODUCTION DATA
1
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
Timing Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Tracker Output Voltage (VOUT)
7.3.1.1
Output Voltage Equal to the Reference Voltage
7.3.1.2
Output Voltage Less Than the Reference Voltage
7.3.2
Reverse Current Protection
7.3.3
Undervoltage Lockout
7.3.4
Thermal Protection
7.3.5
Current Limit
7.3.6
Output Short to Battery
7.3.7
Tracking Regulator With an Enable Circuit
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Dropout Operation
7.4.3
Operation With VIN < 3 V
7.4.4
Disable With ADJ/EN Control
8
Application and Implementation
8.1
Application Information
8.1.1
Dropout Voltage
8.1.2
Reverse Current
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input and Output Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Package Mounting
8.4.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
8.4.1.3
Power Dissipation and Thermal Considerations
8.4.1.4
Thermal Performance Versus Copper Area
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
接收文档更新通知
9.3
支持资源
9.4
Trademarks
9.5
静电放电警告
9.6
术语表
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
封装选项
机械数据 (封装 | 引脚)
DYB|5
MPSS134
DBV|5
MPDS018T
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsoz7a_oa
zhcsoz7a_pm
Data Sheet
TPS7B4255-Q1
具有 5mV 跟踪容差的汽车类 70mA、40V 电压跟踪 LDO