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LM2674 SIMPLE SWITCHER® 電力コンバータ、高効率、500mA、降圧型電圧レギュレータ
JAJS558H
september 1998 – june 2023
LM2676
PRODUCTION DATA
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LM2674 SIMPLE SWITCHER® 電力コンバータ、高効率、500mA、降圧型電圧レギュレータ
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Pin Configuration and 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 – 3.3-V Version
7.6
Electrical Characteristics – 5-V Version
7.7
Electrical Characteristics – 12-V Version
7.8
Electrical Characteristics – Adjustable Voltage Version
7.9
Electrical Characteristics – All Output Voltage Versions
7.10
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Adjustable Output Voltage
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Fixed Output Voltage Typical Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Custom Design with WEBENCH® Tools
9.2.1.2.2
Inductor Selection (L1)
9.2.1.2.3
Output Capacitor Selection (COUT)
9.2.1.2.4
Catch Diode Selection (D1)
9.2.1.2.5
Input Capacitor (CIN)
9.2.1.2.6
Boost Capacitor (CB)
9.2.1.3
Application Curves
9.2.2
Adjustable Output Voltage Typical Application
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Programming Output Voltage
9.2.2.2.2
Inductor Selection (L1)
9.2.2.2.3
Output Capacitor Selection (COUT)
9.2.2.2.4
Catch Diode Selection (D1)
9.2.2.2.5
Input Capacitor (CIN)
9.2.2.2.6
Boost Capacitor (CB)
9.2.2.3
Application Curves
9.2.3
Typical Application for All Output Voltage Versions
9.2.3.1
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
WSON Package Devices
9.4.2
Layout Examples
10
Device and Documentation Support
10.1
Device Support
10.1.1
Development Support
10.1.1.1
Custom Design with WEBENCH® Tools
10.2
Documentation Support
10.2.1
Related Documentation
10.3
ドキュメントの更新通知を受け取る方法
10.4
サポート・リソース
10.5
Trademarks
10.6
静電気放電に関する注意事項
10.7
用語集
11
Mechanical, Packaging, and Orderable Information
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）
D|8
MSOI002K
NHN|16
MPDS423
P|8
MPDI001B
サーマルパッド・メカニカル・データ
発注情報
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