JAJSJ31A
April 2020 – November 2020
LMR50410
PRODUCTION DATA
1
特長
2
アプリケーション
3
説明
4
Revision History
5
Device Comparison Table
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
7.6
Timing Requirements
7.7
Switching Characteristics
7.8
System Characteristics
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency Peak Current Mode Control
8.3.2
Adjustable Output Voltage
8.3.3
Enable
8.3.4
Minimum ON-Time, Minimum OFF-Time, and Frequency Foldback
8.3.5
Bootstrap Voltage
8.3.6
Overcurrent and Short Circuit Protection
8.3.7
Soft Start
8.3.8
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
8.4.3
CCM Mode
8.4.4
Light-Load Operation (PFM Version)
8.4.5
Light-Load Operation (FPWM Version)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design With WEBENCH® Tools
9.2.2.2
Output Voltage Set-Point
9.2.2.3
Switching Frequency
9.2.2.4
Inductor Selection
9.2.2.5
Output Capacitor Selection
9.2.2.6
Input Capacitor Selection
9.2.2.7
Bootstrap Capacitor
9.2.2.8
Undervoltage Lockout Set-Point
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Compact Layout for EMI Reduction
11.1.2
Feedback Resistors
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.1.1.1
Custom Design With WEBENCH® Tools
12.2
Documentation Support
12.2.1
Related Documentation
12.3
ドキュメントの更新通知を受け取る方法
12.4
サポート・リソース
12.5
Trademarks
12.6
静電気放電に関する注意事項
12.7
用語集
13
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|6
MPDS026Q
サーマルパッド・メカニカル・データ
発注情報
jajsj31a_oa
jajsj31a_pm
7.2
ESD Ratings
VALUE
UNIT
V
(ESD)
Electrostatic discharge
Human-body model (HBM)
(1)
±2500
V
Charged-device model (CDM)
(2)
±750
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.