ZHCS453D
August 2011 – April 2021
TPS53353
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 (1)
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
5-V LDO and VREG Start-Up
7.3.2
Adaptive On-Time D-CAP™ Control and Frequency Selection
7.3.3
Ramp Signal
7.3.4
Adaptive Zero Crossing
7.3.5
Power-Good
7.3.6
Current Sense, Overcurrent and Short Circuit Protection
7.3.7
Overvoltage and Undervoltage Protection
7.3.8
UVLO Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Small Signal Model
7.4.2
Enable, Soft Start, and Mode Selection
7.4.3
Auto-Skip Eco-mode™ Light Load Operation
7.4.4
Forced Continuous Conduction Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Typical Application Circuit Diagram
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
External Component Selection
8.2.1.3
Application Curves
8.2.2
Typical Application Circuit Diagram With Ceramic Output Capacitors
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
External Component Selection
8.2.2.2.2
External Component Selection Using All Ceramic Output Capacitors
8.2.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
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)
DQP|22
MPSS023D
散热焊盘机械数据 (封装 | 引脚)
DQP|22
QFND267C
订购信息
zhcs453d_oa
zhcs453d_pm
11
Device and Documentation Support