JAJSSB5H
July 2004 – December 2023
LP2981
,
LP2981A
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Enable
6.3.2
Dropout Voltage
6.3.3
Current Limit
6.3.4
Undervoltage Lockout (UVLO)
6.3.5
Thermal Shutdown
6.3.6
Output Pulldown
6.4
Device Functional Modes
6.4.1
Device Functional Mode Comparison
6.4.2
Normal Operation
6.4.3
Dropout Operation
6.4.4
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.1.1
Recommended Capacitors for the Legacy Chip
7.1.1.1.1
Tantalum Capacitors
7.1.1.1.2
Ceramic Capacitors
7.1.1.1.3
Aluminum Capacitors
7.1.1.2
Recommended Capacitors for the New Chip
7.1.2
Input and Output Capacitor Requirements
7.1.2.1
Input Capacitor
7.1.2.2
Output Capacitor
7.1.3
Estimating Junction Temperature
7.1.4
Power Dissipation (PD)
7.1.5
Reverse Current
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
ON and OFF Input Operation
7.2.3
Application Curves
8
Power Supply Recommendations
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
10
Device and Documentation Support
10.1
Device Nomenclature
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
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
Revision History
12
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)
DBV|5
MPDS018T
サーマルパッド・メカニカル・データ
発注情報
jajssb5h_oa
jajssb5h_pm
9.2
Layout Example
Figure 9-1
Recommended Layout