ZHCSLX5A
March 2021 – June 2022
TPS628501
,
TPS628502
,
TPS628503
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
8.1
Schematic
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Precise Enable (EN)
9.3.2
COMP/FSET
9.3.3
MODE / SYNC
9.3.4
Spread Spectrum Clocking (SSC)
9.3.5
Undervoltage Lockout (UVLO)
9.3.6
Power Good Output (PG)
9.3.7
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Pulse Width Modulation (PWM) Operation
9.4.2
Power Save Mode Operation (PWM/PFM)
9.4.3
100% Duty-Cycle Operation
9.4.4
Current Limit and Short Circuit Protection
9.4.5
Foldback Current Limit and Short Circuit Protection
9.4.6
Output Discharge
9.4.7
Soft Start
9.4.8
Input Overvoltage Protection
10
Application and Implementation
10.1
Application Information
10.1.1
Programming the Output Voltage
10.1.2
Inductor Selection
10.1.3
Capacitor Selection
10.1.3.1
Input Capacitor
10.1.3.2
Output Capacitor
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
10.3
System Examples
10.3.1
Synchronizing to an External Clock
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
第三方产品免责声明
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
术语表
14
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
zhcslx5a_oa
zhcslx5a_pm
1
TPS62850x 采用 SOT583 封装的 2.7V 至 6V、1A/2A/3A 降压转换器