JAJSBU6B
May 2013 – October 2023
TPS54531
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and 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
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed-Frequency PWM Control
7.3.2
Voltage Reference (Vref)
7.3.3
Bootstrap Voltage (BOOT)
7.3.4
Enable and Adjustable Input Undervoltage Lockout (VIN UVLO)
7.3.5
Programmable Slow Start Using SS Pin
7.3.6
Error Amplifier
7.3.7
Slope Compensation
7.3.8
Current-Mode Compensation Design
7.3.9
Overcurrent Protection and Frequency Shift
7.3.10
Overvoltage Transient Protection
7.3.11
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Eco-mode
7.4.2
Operation With VIN < 3.5 V
7.4.3
Operation With EN Control
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
Switching Frequency
8.2.2.3
Output Voltage Set Point
8.2.2.4
Undervoltage Lockout Set Point
8.2.2.5
Input Capacitors
8.2.2.6
Output Filter Components
8.2.2.6.1
Inductor Selection
8.2.2.6.2
Capacitor Selection
8.2.2.7
Compensation Components
8.2.2.8
Bootstrap Capacitor
8.2.2.9
Catch Diode
8.2.2.10
Slow-Start Capacitor
8.2.2.11
Output Voltage Limitations
8.2.2.12
Power Dissipation Estimate
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
8.4.3
Electromagnetic Interference (EMI) Considerations
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
Custom Design With WEBENCH® Tools
9.2
ドキュメントの更新通知を受け取る方法
9.3
サポート・リソース
9.4
Trademarks
9.5
静電気放電に関する注意事項
9.6
用語集
10
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DDA|8
MPDS092F
サーマルパッド・メカニカル・データ
DDA|8
PPTD058I
発注情報
jajsbu6b_oa
jajsbu6b_pm
8.4
Layout