ZHCS920B
May 2012 – April 2021
TPS54525
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation
7.3.2
PWM Frequency and Adaptive On-Time Control
7.3.3
Soft Start and Pre-Biased Soft Start
7.3.4
Power Good
7.3.5
VREG5
7.3.6
Output Discharge Control
7.3.7
Current Protection
7.3.8
Over/Under Voltage Protection
7.3.9
UVLO Protection
7.3.10
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Forced CCM Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Step By Step Design Procedure
8.2.2.2
Output Voltage Resistors Selection
8.2.2.3
Output Filter Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
Bootstrap Capacitor Selection
8.2.2.6
VREG5 Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Guidelines
10.2.1
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方产品免责声明
11.2
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
封装选项
机械数据 (封装 | 引脚)
PWP|14
MPDS370A
散热焊盘机械数据 (封装 | 引脚)
PWP|14
PPTD022AA
订购信息
zhcs920b_oa
zhcs920b_pm
11.5
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。