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
8.2
Typical Application
Figure 8-1
Schematic Diagram