ZHCSHW4A
December 2017 – January 2019
TPS23523
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Pin Configuration and Functions
Pin 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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Relationship between Sense Voltage, Gate Current, and Timer
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Current Limit
8.3.1.1
Programming the CL Switch-Over Threshold
8.3.1.2
Setting Up the PROG Pin
8.3.1.3
Programming CL1
8.3.1.4
Programming CL2
8.3.2
Soft Start Disconnect
8.3.3
Timer
8.3.4
Gate 2
8.3.5
OR-ing
8.4
Device Functional Modes
8.4.1
OFF State
8.4.2
Insertion Delay State
8.4.3
Start-up State
8.4.4
Normal Operation State
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Selecting RSNS
9.2.2.2
Selecting Soft Start Setting: CSS and CSS,VEE
9.2.2.3
Selecting VDS Switch Over Threshold
9.2.2.4
Timer Selection
9.2.2.5
MOSFET Selection and SOA Checks
9.2.2.6
Input Cap, Input TVS, and OR-ing FET selection
9.2.2.7
EMI Filter Consideration
9.2.2.8
Undervoltage and Overvoltage Settings
9.2.2.9
Choosing RVCC and CVCC
9.2.2.10
Power Good Interface to Downstream DC/DC
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
第三方产品免责声明
12.2
文档支持
12.2.1
相关文档
12.3
接收文档更新通知
12.4
社区资源
12.5
商标
12.6
静电放电警告
12.7
术语表
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
PW|16
MPDS361A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcshw4a_oa
zhcshw4a_pm
9.2.2
Detailed Design Procedure