JAJSK13C
September 2020 – December 2021
TPS542A52
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
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Adjustable Undervoltage Lockout
7.3.2
Input and VREG Undervoltage Lockout Protection
7.3.3
Voltage Reference and Setting the Output Voltage
7.3.4
Remote Sense Function
7.3.5
Switching Frequency
7.3.6
Voltage Control Mode Internal Compensation
7.3.7
Soft Start and Prebiased Output Start-up
7.3.8
Power Good
7.3.9
Overvoltage and Undervoltage Protection
7.3.10
Overcurrent Protection
7.3.11
High-Side FET Throttling
7.3.12
Overtemperature Protection
7.4
Device Functional Modes
7.4.1
Pulse-Frequency Modulation Eco-mode Light Load Operation
7.4.2
Forced Continuous-Conduction Mode
7.4.3
Soft Start
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Full Analog Configuration
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Output Voltage Calculation
8.2.1.2.3
Switching Frequency Selection
8.2.1.2.4
Inductor Selection
8.2.1.2.5
Input Capacitor Selection
8.2.1.2.6
Bootstrap Capacitor Selection
8.2.1.2.7
R-C Snubber and VIN Pin High-Frequency Bypass
8.2.1.2.8
Output Capacitor Selection
8.2.1.2.9
Response to a Load Transient
8.2.1.2.10
Pin-Strap Setting
8.2.1.3
Application Curves
8.2.1.4
Typical Application Circuits
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
サポート・リソース
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
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)
RJM|33
MPQF490B
サーマルパッド・メカニカル・データ
発注情報
jajsk13c_oa
jajsk13c_pm
11.1.1
Development Support