ZHCSHN0A
February 2018 – April 2018
TPSM84424
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
瞬态响应
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 (VIN = 12 V)
6.8
Typical Characteristics (VIN = 5 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage
7.3.2
Switching Frequency (RT)
7.3.3
Synchronization (CLK)
7.3.4
Output On/Off Enable (EN)
7.3.5
Input Capacitor Selection
7.3.6
Output Capacitor Selection
7.3.7
TurboTrans (TT)
7.3.7.1
Low-ESR Output Capacitors
7.3.7.2
Transient Response
7.3.7.2.1
Transient Waveforms (VIN = 12 V)
7.3.8
Undervoltage Lockout (UVLO)
7.3.9
Soft Start (SS/TR)
7.3.10
Sequencing (SS/TR)
7.3.11
Power Good (PGOOD)
7.3.12
Safe Start-up into Pre-Biased Outputs
7.3.13
Overcurrent Protection
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Shutdown Mode
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 Setpoint
8.2.2.3
Setting the Switching Frequency
8.2.2.4
Input Capacitors
8.2.2.5
Output Capacitors
8.2.2.6
TurboTrans Resistor
8.2.2.7
Application Waveforms
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
EMI
10.3.1
EMI Plots
10.4
Package Specifications
11
器件和文档支持
11.1
器件支持
11.1.1
第三方产品免责声明
11.2
开发支持
11.2.1
使用 WEBENCH® 工具创建定制设计
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
术语表
12
机械、封装和可订购信息
12.1
Tape and Reel Information
8.2.2.7
Application Waveforms
Figure 24.
Output Ripple and SW Waveforms
Figure 25.
Transient Response Waveforms