SNVU872A
September 2023 – March 2024
LM70880-Q1
1
Description
Features
Applications
5
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Specification
1.4
Device Information
2
Hardware
2.1
Test Setup and Procedure
2.1.1
EVM Connections
2.1.2
Test Equipment
2.1.3
Recommended Test Setup
2.1.3.1
Input Connections
2.1.3.2
Output Connections
2.1.4
Test Procedure
2.1.4.1
Line and Load Regulation, Efficiency
3
Implementation Results
3.1
Performance Data and Results
3.1.1
EVM Characteristics
3.1.2
Conversion Efficiency
3.1.3
Operating Waveforms
3.1.3.1
Switching
3.1.3.2
Load Transient Response
3.1.3.3
Line Transient Response
3.1.3.4
Start-Up and Shutdown With EN
3.1.3.5
Start-Up with VIN
3.1.4
Bode Plot
3.1.5
CISPR 25 EMI Performance
3.1.6
Thermal Performance
4
Hardware Design Files
4.1
Schematic
4.2
PCB Layout
4.2.1
Component Drawings
4.2.2
Multi-Layer Stackup
4.3
Bill of Materials
5
Compliance Information
5.1
Compliance and Certifications
6
Related Documentation
6.1
Supplemental Content
6.1.1
Development Support
6.1.2
PCB Layout Resources
6.1.3
Thermal Design Resources
7
Additional Information
7.1
Trademarks
8
Revision History
6
Related Documentation
For related documentation see the following:
LM70880-Q1 3.5V to 80V Synchronous Buck DC/DC Converter with Ultra-Low IQ Data Sheet
Reduce Buck Converter EMI and Voltage Stress by Minimizing Inductive Parasitics Analog Applications Journal
AN-2162 Simple Success with Conducted EMI from DC-DC Converters Application Report
White Papers:
Valuing Wide V
IN
, Low EMI Synchronous Buck Circuits for Cost-driven, Demanding Applications
An Overview of Conducted EMI Specifications for Power Supplies
An Overview of Radiated EMI Specifications for Power Supplies