Test of DC-DC 7A 9-60V to 3-32V



This document has all the test I performed.
For the actual review see here

Contents
    Load sweep 5V output load
    Load sweep 12V output load
    Load sweep 24V output load
    Load sweep 32V output load
    Voltage sweep 5V output load
    Voltage sweep 12V output load
    Voltage sweep 24V output load
    Voltage sweep 32V output load
    Voltage sweep no load
    Noise 5V output
    Noise 12V output
    Noise 32V output
    On/off
    Load test with thermophotos


Load sweep 5V output load









Load sweep 12V output load








Load sweep 24V output load







Load sweep 32V output load






Voltage sweep 5V output load















Voltage sweep 12V output load















Voltage sweep 24V output load















Voltage sweep 32V output load















Voltage sweep no load







Noise 5V output















Noise 12V output













Noise 32V output







On/off

On/off test are done with a fast mos switch and power resistors. The current clamp used is not rated for these fast signals, but it was useful for triggering the scope and showing the load current, but not the transition.

















Load test with thermophotos





M1: 52.1°C, HS1: 66.2°C



M1: 50.2°C, HS1: 91.3°C



M1: 53.0°C, HS1: 98.7°C



M1: 60.3°C, M2: 73.8°C, HS1: 90.2°C





M1: 66.6°C, HS1: 87.8°C



M1: 87.5°C, HS1: 157.2°C



M1: 63.5°C, HS1: 141.9°C



M1: 97.7°C, M2: 103.4°C, HS1: 151.3°C