ZHCSNR4B
May 2021 – April 2022
TPS25946
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Switching Characteristics
15
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Undervoltage Lockout (UVLO and UVP)
8.3.2
Overvoltage Lockout (OVLO)
8.3.3
Inrush Current, Overcurrent, and Short-Circuit Protection
8.3.3.1
Slew Rate (dVdt) and Inrush Current Control
8.3.3.2
Active Current Limiting
8.3.3.3
Short-Circuit Protection
8.3.4
Analog Load Current Monitor
8.3.5
Reverse Current Protection
8.3.6
Overtemperature Protection (OTP)
8.3.7
Fault Response and Indication (FLT)
8.3.8
Power Good Indication (PG)
8.3.9
Input Supply Good Indication (SPLYGD)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Single Device, Self-Controlled
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Device Selection
9.2.2.2
Setting Overvoltage Threshold
9.2.2.3
Setting Output Voltage Rise Time (tR)
9.2.2.4
Setting Power Good Assertion Threshold
9.2.2.5
Setting Overcurrent Threshold (ILIM)
9.2.2.6
Setting Overcurrent Blanking Interval (tITIMER)
9.2.2.7
Selecting External Bias Resistor (R5)
9.2.2.8
Selecting External Diode (D1)
9.2.3
Application Curve
10
Power Supply Recommendations
10.1
Transient Protection
10.2
Output Short-Circuit Measurements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RPW|10
MPQF568
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsnr4b_oa
zhcsnr4b_pm
8
Detailed Description