ZHCSBE5D
August 2013 – June 2025
TPS62090-Q1
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Enable and Disable (EN)
6.3.2
Soft Start (SS) and Hiccup Current Limit During Start-Up
6.3.3
Voltage Tracking (SS)
6.3.4
Short-Circuit Protection (Hiccup Mode)
6.3.5
Output Discharge Function
6.3.6
Power Good Output (PG)
6.3.7
Frequency Set Pin (FREQ)
6.3.8
Undervoltage Lockout (UVLO)
6.3.9
Thermal Shutdown
6.3.10
Charge Pump (CP, CN)
6.4
Device Functional Modes
6.4.1
Pulse Width Modulation Operation
6.4.2
Power Save Mode Operation
6.4.3
Low-Dropout Operation (100% Duty Cycle)
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Inductor Selection
7.2.2.2
Input and Output Capacitor Selection
7.2.2.3
Setting the Output Voltage
7.2.3
Application Curves
7.3
System Examples
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
8
器件和文档支持
8.1
器件支持
8.1.1
第三方产品免责声明
8.2
文档支持
8.2.1
相关文档
8.3
接收文档更新通知
8.4
支持资源
8.5
商标
8.6
静电放电警告
8.7
术语表
9
Revision History
10
Mechanical, Packaging, and Orderable Information
8.6
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。