SLVUD74A
April 2025 – June 2025
LM72880-Q1
1
Description
Get Started
Features
Applications
6
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
2.1.3.3
I2C Connections
2.1.4
Test Procedure
2.1.4.1
Graphic User Interface (GUI)
2.1.4.1.1
Quick Overview
2.1.4.2
Basic Test Procedure
3
Implementation Results
3.1
Test Data and Performance Curves
3.1.1
Efficiency
3.1.2
Operating Waveforms
3.1.2.1
Start-Up and Shutdown
3.1.2.2
Switching
3.1.2.3
Load Transient (CV), ISET Modulation (CC)
3.1.3
Thermal Performance
3.1.4
EMI Performance
4
Hardware Design Files
4.1
Schematic
4.2
PCB Layout
4.3
Bill of Materials
5
Additional Information
5.1
Trademarks
6
Device and Documentation Support
6.1
Device Support
6.1.1
Development Support
6.2
Documentation Support
6.2.1
Related Documentation
6.2.1.1
PCB Layout Resources
6.2.1.2
Thermal Design Resources
7
Revision History
Features
Input voltage operating range : 24V to 70V
Programmable output voltage up to 20V with programmable cable drop compensation (CDC)
Programmable average current limit up to 5A
Programmable output voltage slew rate
Programmable soft-start time
Optional active output discharge
Optional spread spectrum
Programmable switching mode (FPWM or PFM)
Peak full-load efficiency of 98.2%
Peak current limit with hiccup mode protection
Programmable OVP threshold
Programmable UV/OV warning threshold
nINT indicator with pullup resistor to VDDA
Thermally efficient layout with 6-layer, 2oz PCB