SLVUCY4A
June 2024 – November 2024
LM5190-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
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 With EN
3.1.2.2
Switching
3.1.2.3
Load Transient (CV), ISET Modulation (CC)
3.1.3
Thermal Performance
3.1.4
Bode Plot
3.1.5
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
Wide input voltage operating range
15V to 72V: VIN terminal
Fixed 12V, 5V, or adjustable output voltage
Adjustable average inductor current using ISET
Inductor current monitor using IMON
Integrated standard MOSFET gate drivers
18µA standby current at V
SUPPLY
= 48V with BIAS
Full-load efficiency of 95% at V
SUPPLY
= 48V
400kHz switching frequency with optional external clock synchronization
Dual-random spread spectrum
Integrated slope compensation
Forced PWM (FPWM) or pulsed-frequency modulation (PFM) operation
Over-current protection (OCP) with hiccup mode for abnormal overload conditions
Power Good indicator with pullup resistor to VCC
Internal 2.75ms soft start in CV mode
CC mode soft start using C
ISET
capacitor
Thermally efficient layout with 6-layer 2-oz PCB