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TPS62097 2A 高効率降圧コンバータ、iDCS-Control、強制 PWM モード、スイッチング周波数選択機能付き (Rev. A 翻訳版)
JAJSKI1A
December 2015 – January 2021
TPS62097
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TPS62097 2A 高効率降圧コンバータ、iDCS-Control、強制 PWM モード、スイッチング周波数選択機能付き (Rev. A 翻訳版)
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Options
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommend Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
100% Duty Cycle Mode
8.3.2
Switch Current Limit and Hiccup Short Circuit Protection
8.3.3
Undervoltage Lockout (UVLO)
8.3.4
Thermal Shutdown
8.4
Device Function Modes
8.4.1
Enable and Disable (EN)
8.4.2
Power Save Mode and Forced PWM Mode (MODE)
8.4.3
Soft Start-up (SS/TR)
8.4.4
Voltage Tracking (SS/TR)
8.4.5
Power Good (PG)
9
Application and Implementation
9.1
Application Information
9.2
1.2-V Output Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Setting the Output Voltage
9.2.2.2
Output Filter Design
9.2.2.3
Inductor Selection
9.2.2.4
Capacitor Selection
9.2.3
Application Performance Curves
9.2.4
Coincidental Voltage Tracking
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.4.3
Application Performance Curve
9.2.5
Switching Frequency Selection
9.2.5.1
Design Requirements
9.2.5.2
Detailed Design Procedure
9.2.5.3
Application Performance Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.2.1
Thermal Information
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
サポート・リソース
12.3
ドキュメントの更新通知を受け取る方法
12.4
Trademarks
12.5
静電気放電に関する注意事項
12.6
用語集
13
Mechanical, Packaging, and Orderable Information
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