ZHCSHG7C
January 2018 – July 2018
TPSM84209
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化应用
效率与输出电流间的关系
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
Typical Characteristics (VIN = 5 V)
6.7
Typical Characteristics (VIN = 12 V)
6.8
Typical Characteristics (VIN = 24 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
Input Capacitor Selection
7.3.3
Undervoltage Lockout (UVLO)
7.3.4
Output Capacitor Selection
7.3.5
Feed-Forward Capacitor
7.3.6
Operating Range
7.3.7
Output Current Rating
7.3.8
Enable (EN)
7.3.9
Internal Soft Start
7.3.10
Safe Start-Up Into Prebiased Outputs
7.3.11
Light Load Efficiency / Eco-Mode
7.3.12
Voltage Dropout
7.3.13
Overcurrent Protection
7.3.14
Output Overvoltage Protection (OVP)
7.3.15
Thermal Performance
7.3.16
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Eco-Mode Operation
7.4.3
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
Input Capacitors
8.2.2.4
Output Capacitors
8.2.2.5
Enable Control
8.2.3
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
使用 WEBENCH® 工具创建定制设计方案
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
10.4
Package Specifications
Table 8.
Package Specifications Table
TPSM84209
VALUE
UNIT
Weight
107
mg
Flammability
Meets UL 94 V-O
MTBF Calculated Reliability
Per Bellcore TR-332, 50% stress, T
A
= 40°C, ground benign
123
MHrs