ZHCSLX5B
March 2021 – April 2024
TPS628501
,
TPS628502
,
TPS628503
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
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
Typical Characteristics
7
Parameter Measurement Information
7.1
Schematic
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Precise Enable (EN)
8.3.2
COMP/FSET
8.3.3
MODE / SYNC
8.3.4
Spread Spectrum Clocking (SSC)
8.3.5
Undervoltage Lockout (UVLO)
8.3.6
Power Good Output (PG)
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation (PWM/PFM)
8.4.3
100% Duty-Cycle Operation
8.4.4
Current Limit and Short Circuit Protection
8.4.5
Foldback Current Limit and Short Circuit Protection
8.4.6
Output Discharge
8.4.7
Soft Start
8.4.8
Input Overvoltage Protection
9
Application and Implementation
9.1
Application Information
9.1.1
Programming the Output Voltage
9.1.2
Inductor Selection
9.1.3
Capacitor Selection
9.1.3.1
Input Capacitor
9.1.3.2
Output Capacitor
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
System Examples
9.3.1
Synchronizing to an External Clock
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
第三方产品免责声明
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Revision History
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRL|8
MPCS002D
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcslx5b_oa
zhcslx5b_pm
9.5
Layout