ZHCSJY4B
July 2008 – June 2019
TPS5450-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图和效率曲线
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Conditions
6.3
Thermal Information
6.4
Dissipation Ratings
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
Oscillator Frequency
7.3.2
Voltage Reference
7.3.3
Enable (ENA) and Internal Slow Start
7.3.4
Undervoltage Lockout (UVLO)
7.3.5
Output Feedback (VSENSE) and Internal Compensation
7.3.6
Voltage Feedforward
7.3.7
Pulse-Width-Modulation (PWM) Control
7.3.8
Overcurrent Limiting
7.3.9
Overvoltage Protection
7.3.10
Thermal Shutdown
8
Application Information
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
Boost Capacitor (BOOT)
8.2.2.3
Switching Frequency
8.2.2.4
Input Capacitors
8.2.2.5
Output Filter Components
8.2.2.5.1
Inductor Selection
8.2.2.5.2
Capacitor Selection
8.2.2.6
Output Voltage Setpoint
8.2.2.7
Boot Capacitor
8.2.2.8
Catch Diode
8.2.2.9
Output Voltage Limitations
8.2.2.10
Internal Compensation Network
8.2.3
Application Curves
9
Layout
9.1
Layout Guidelines
9.2
Layout Examples
9.3
Thermal Calculations
10
器件和文档支持
10.1
器件支持
10.1.1
第三方产品免责声明
10.2
开发支持
10.2.1
使用 WEBENCH® 工具创建定制设计
10.3
接收文档更新通知
10.4
社区资源
10.5
商标
10.6
静电放电警告
10.7
Glossary
11
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD043J
订购信息
zhcsjy4b_oa
10.1
器件支持