JAJSBH8G
June 2010 – February 2018
TPS65251
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
代表的なアプリケーションの回路図
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended 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
Adjustable Switching Frequency
8.3.2
Synchronization
8.3.3
Out-of-Phase Operation
8.3.4
Delayed Start-Up
8.3.5
Soft-Start Time
8.3.6
Adjusting the Output Voltage
8.3.7
Input Capacitor
8.3.8
Bootstrap Capacitor
8.3.9
Error Amplifier
8.3.10
Loop Compensation
8.3.11
Slope Compensation
8.3.12
Powergood
8.3.13
Current Limit Protection
8.3.14
Overvoltage Transient Protection
8.3.15
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Low-Power Mode Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Loop Compensation Circuit
9.2.2.2
Selecting the Switching Frequency
9.2.2.3
Output Inductor Selection
9.2.2.4
Output Capacitor
9.2.2.5
Input Capacitor
9.2.2.6
Soft-Start Capacitor
9.2.2.7
Bootstrap Capacitor Selection
9.2.2.8
Adjustable Current Limiting Resistor Selection
9.2.2.9
Output Voltage and Feedback Resistors Selection
9.2.2.10
Compensation
9.2.2.11
3.3-V and 6.5-V LDO Regulators
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Power Dissipation
12
デバイスおよびドキュメントのサポート
12.1
ドキュメントの更新通知を受け取る方法
12.2
コミュニティ・リソース
12.3
商標
12.4
静電気放電に関する注意事項
12.5
Glossary
13
メカニカル、パッケージ、および注文情報
8.4
Device Functional Modes