TIDT389 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graph
    2. 2.2 Efficiency Data
      1. 2.2.1 10V Input Voltage
      2. 2.2.2 12V Input Voltage
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients

Description

This reference design features a dual-phase automotive boost converter for Class-H audio applications offering analog or digital output voltage tracking. The peak output power of over 800W can be achieved at 11V input voltage.

This test report is based on the LM5125-Q1, which is configured using external resistors. The pin-compatible LM51251-Q1 variant offering I²C for diagnostic and control can also be used on this design.