ZHCSNA2
October 2021
TPS563212
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
Advanced Emulated Current Mode Control
7.3.2
Mode Selection and PG/SS Pin Function Configuration
7.3.3
Power Good (PG)
7.3.4
Soft Start and Pre-Biased Soft Start
7.3.5
Output Discharge Through PG/SS Pin
7.3.6
Precise Enable and Adjusting Undervoltage Lockout
7.3.7
Overcurrent Limit and Undervoltage Protection
7.3.8
Overvoltage Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
FCCM Operation
7.4.4
CCM Operation
7.4.5
DCM Operation and Eco-mode Operation
7.4.6
On-Time Extension for Large Duty Cycle Operation
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
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Resistors Selection
8.2.2.3
Output Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.2.6
Bootstrap Capacitor Selection
8.2.2.7
Undervoltage Lockout Set Point
8.2.3
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
11.1.2
Development Support
11.1.2.1
Custom Design With WEBENCH® Tools
11.2
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
术语表
12
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
zhcsna2_oa
4
Revision History
DATE
REVISION
NOTES
October 2021
*
Advance Information