JAJSAZ1M
February 2013 – October 2020
LM22679
,
LM22679-Q1
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings: LM22679
6.3
Handling Ratings: LM22679-Q1
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
UVLO
7.3.2
Soft-Start
7.3.3
Bootstrap Supply
7.3.4
Internal Compensation
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
Current Limit
7.4.4
Current Limit Adjustment
7.4.5
Thermal Protection
7.4.6
Duty-Cycle Limits
8
Application and Implementation
8.1
Application Information
8.1.1
Output Voltage Divider Selection
8.1.2
Power Diode
8.2
Typical Application
8.2.1
Typical Buck Regulator Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
External Components
8.2.1.2.2
Inductor
8.2.1.2.3
Input Capacitor
8.2.1.2.4
Output Capacitor
8.2.1.2.5
Bootstrap Capacitor
8.2.1.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
サポート・リソース
11.3
ドキュメントの更新通知を受け取る方法
11.4
Trademarks
11.5
用語集
11.6
静電気放電に関する注意事項
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)
NDR|7
MMSF023A
サーマルパッド・メカニカル・データ
発注情報
jajsaz1m_oa
jajsaz1m_pm
10
Layout