SLVUCY4
June 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
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