ZHCSLU8A
September 2020 – October 2020
TPS51397A
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 and DCAP3 Control
7.3.2
Soft Start
7.3.3
Large Duty Operation
7.3.4
Power Good
7.3.5
Overcurrent Protection and Undervoltage Protection
7.3.6
Overvoltage Protection
7.3.7
UVLO Protection
7.3.8
Output Voltage Discharge
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Light Load Operation
7.4.2
Advanced Eco-mode Control
7.4.3
Out-of-Audio
7.4.4
Mode Selection
7.4.5
Standby 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
External Component Selection
8.2.2.1.1
Output Voltage Set Point
8.2.2.1.2
MODE Selection
8.2.2.1.3
Inductor Selection
8.2.2.1.4
Output Capacitor Selection
8.2.2.1.5
Input Capacitor Selection
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
Receiving Notification of Documentation Updates
11.2
支持资源
11.3
Trademarks
11.4
静电放电警告
11.5
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RJE|20
MPQG002B
散热焊盘机械数据 (封装 | 引脚)
RJE|20
QFND624
订购信息
zhcslu8a_oa
7
Detailed Description