SNVU797D April   2022  – June 2025 LM5177

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
  6. 2Hardware
    1. 2.1 Connector, Test Point, and Selection Switch Descriptions
      1. 2.1.1 Connector Descriptions
      2. 2.1.2 Jumper Descriptions
      3. 2.1.3 Test Point Descriptions
      4. 2.1.4 Selection Switch Descriptions
        1. 2.1.4.1 S1 and S2 CFG setting
      5. 2.1.5 Current Monitor and Current Limiter Configuration
        1. 2.1.5.1 Current Monitor and Current Limiter Configuration
        2. 2.1.5.2 Current Limiter Configuration
    2. 2.2 Test Setup and Procedure
      1. 2.2.1 Test Setup
      2. 2.2.2 Test Procedure
      3. 2.2.3 Precautions
  7. 3Implementation Results
    1. 3.1 Test Data and Performance Curves
      1. 3.1.1 Thermal Performance
      2. 3.1.2 Efficiency
      3. 3.1.3 Steady State Waveforms
      4. 3.1.4 Step Load Response
  8. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 Optional Components
    3. 4.3 Board Layout
    4. 4.4 Bill of Materials
  9. 5Additional Information
    1. 5.1 Trademarks
  10. 6Revision History

Specification

Table 1-1 Board Specifications
Parameter Value
Input voltage 4.2V to 36V
Output voltage 16V
Maximum output current 9.4A
Default switching frequency 400kHz
Board size (four layers) 5.6 inch × 3.2 inch
  • Smooth buck-boost operation
  • Ultra high (> 97%) peak power conversion efficiency
  • Adjustable output voltage using feedback resistor divider selection
  • Programmable switching frequency with optional synchronization (SYNC)
  • Cycle-by-cycle overcurrent protection
  • Optional hiccup mode overload protection
  • Programmable input undervoltage lockout (UVLO) threshold and hysteresis
  • Output constant voltage (CV) and constant current (CC) options
  • Optional frequency dithering for reduced EMI
  • Setting of configuration resistor RCFG through DIP switches