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LM2679 SIMPLE SWITCHER5A降圧型電圧レギュレータ 電流制限値可変機能付き
JAJS611O
March 2000 – June 2016
LM2679
PRODUCTION DATA.
CONTENTS
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LM2679 SIMPLE SWITCHER5A降圧型電圧レギュレータ 電流制限値可変機能付き
1
特長
2
アプリケーション
3
概要
4
改訂履歴
5
Pin Configuration and Functions
6
Specification
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics - 3.3 V
6.6
Electrical Characteristics - 5 V
6.7
Electrical Characteristics - 12 V
6.8
Electrical Characteristics - Adjustable
6.9
Electrical Characteristics - All Output Voltage Versions
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Switch Output
7.3.2
Input
7.3.3
C Boost
7.3.4
Ground
7.3.5
Current Adjust
7.3.6
Feedback
7.4
Device Functional Modes
7.4.1
Soft Start
8
Application and Implementation
8.1
Application Information
8.1.1
Design Considerations
8.1.2
Inductor
8.1.3
Output Capacitor
8.1.4
Input Capacitor
8.1.5
Catch Diode
8.1.6
Boost Capacitor
8.1.7
Adjustable Current Limit, RADJ
8.1.8
Soft-Start Capacitor, CSS
8.1.9
Additional Application Information
8.2
Typical Application
8.2.1
Typical Application for All Output Voltage Versions
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Capacitor Selection Guides
8.2.1.3
Application Curves
8.2.2
Fixed Output Voltage Design Example
8.2.2.1
Detailed Design Procedure
8.2.2.1.1
Capacitor Selection
8.2.3
Adjustable Output Design Example
8.2.3.1
Detailed Design Procedure
8.2.3.1.1
Capacitor Selection
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
デバイスおよびドキュメントのサポート
11.1
関連資料
11.2
ドキュメントの更新通知を受け取る方法
11.3
コミュニティ・リソース
11.4
商標
11.5
静電気放電に関する注意事項
11.6
Glossary
12
メカニカル、パッケージ、および注文情報
12.1
VSONパッケージのデバイス
重要なお知らせ
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)
KTW|7
MPSF015
NDZ|7
MMSF005
NHM|14
MPDS422
サーマルパッド・メカニカル・データ
KTW|7
PPTD278
発注情報
jajs611o_oa
jajs611o_pm
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