DC-DC Boost converter 2-24V to 2-28V 2A MT3908



This is all the measurements without comments, for the review see here

Contents
    Load sweep
        Load sweep 5V out
        Load sweep 9V out
        Load sweep 15V out
        Load sweep 20V out
    Voltage sweep
        Voltage sweep 5V out
        Voltage sweep 9V out
        Voltage sweep 12V out
        Voltage sweep 15V out
    Voltage sweep No load
    Load test
    On/off
    Noise


Load sweep

Due to some smoke, all test are running with a power limit, this means curves that stops at 2W, 2.5W or 3W is stopped to avoid burning the chip and not due to some safety inside the chip.


Load sweep 5V out









Load sweep 9V out









Load sweep 15V out











Load sweep 20V out

















Voltage sweep



Voltage sweep 5V out















Voltage sweep 9V out












Voltage sweep 12V out












Voltage sweep 15V out












Voltage sweep No load









Load test






M1: 87.3°C, M2: 87.1°C, M3: 72.1°C, HS1: 94.3°C





M1: 87.8°C, M2: 100.9°C, M3: 68.9°C, HS1: 141.2°C



On/off













Adding 100uF to the output.



Adding 330uF to the output.







Noise