SNVU948
July 2025
LM51770
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
Connector, Test Point, and Selection Switch Descriptions
2.1.1
Connector Descriptions
2.1.2
Jumper Descriptions
2.1.3
Test Point Descriptions
2.1.4
Selection Switch Descriptions
2.1.4.1
S1 and S2 CFG Setting
2.1.5
Current Monitor and Current Limiter Configuration
2.1.5.1
Current Monitor Configuration
2.1.5.2
Current Limiter Configuration
3
Implementation Results
3.1
Test Setup and Procedure
3.1.1
Test Setup
3.1.2
Test Procedure
3.1.3
Precautions
3.2
Test Data and Performance Curves
3.2.1
Thermal Performance
3.2.2
Efficiency
3.2.3
Steady State Waveforms
3.2.4
Step Load Response
3.2.5
AC Loop Response Curve
4
Hardware Design Files
4.1
Schematic
4.2
PCB Layout
4.3
Bill of Materials
5
Additional Information
5.1
Trademarks
Features
Wide input voltage range
Ultra high (> 95%) peak power conversion efficiency
Adjustable output voltage using feedback resistor divider
Optional synchronization (SYNC)
Easy configuration of current monitor or limiter
Programmable input undervoltage lockout (UVLO) threshold and hysteresis
Output constant voltage (CV) and constant current (CC) options
Setting of configuration resistor R
CFG
through DIP switches