JAJU871
December 2022
概要
リソース
特長
アプリケーション
5
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.3
Theory of Operation
2.4
Highlighted Products
2.4.1
TPS7A57 Low Dropout (LDO) Regulator
2.4.2
LMG1020 Low Side Driver
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.2
Test Setup
3.2.1
Optional Load Transient Circuit Operation
3.3
Test Results
3.3.1
Current Sharing
3.3.2
VLOAD vs ILOAD
3.3.3
Load Transient Response
3.3.4
Current Limit
3.3.5
Startup
3.3.6
Noise
3.3.7
PSRR
3.3.8
Thermal
3.3.9
Thermal Limit Protection
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.2
Tools
4.3
Documentation Support
4.4
サポート・リソース
4.5
Trademarks
5
About the Author
3.3.8
Thermal
I
LOAD
= 13.5 A
Figure 3-22
Thermal Image of the Parallel TPS7A57 LDO's (Load Applied for 5 Minutes)
I
LOAD
= 13.5 A
Figure 3-23
Maximum Hot Spot Measurement across Time