JAJSM60B
January 2023 – January 2024
LMR38020-Q1
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Device Comparison Table
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
System Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Peak Current Mode Control
7.3.2
Adjustable Output Voltage
7.3.3
Enable
7.3.4
Switching Frequency and Synchronization (RT/SYNC)
7.3.5
Power-Good Flag Output
7.3.6
Minimum On Time, Minimum Off Time, and Frequency Foldback
7.3.7
Bootstrap Voltage
7.3.8
Overcurrent and Short Circuit Protection
7.3.9
Soft Start
7.3.10
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Auto Mode
7.4.2
Forced PWM Operation
7.4.3
Dropout
7.4.4
Minimum Switch On Time
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
Choosing the Switching Frequency
8.2.2.3
FB for Adjustable Output
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
CBOOT
8.2.2.8
External UVLO
8.2.2.9
Maximum Ambient Temperature
8.2.3
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.1.1
Ground and Thermal Considerations
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
サード・パーティ製品に関する免責事項
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
ドキュメントの更新通知を受け取る方法
9.4
サポート・リソース
9.5
Trademarks
9.6
静電気放電に関する注意事項
9.7
用語集
10
Revision History
11
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
PPTD178C
発注情報
jajsm60b_oa
jajsm60b_pm
7.2
Functional Block Diagram