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

DSC_9714

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%20sweep%202V%205V

Load%20sweep%203V%205V

Load%20sweep%204V%205V



Load sweep 9V out

Load%20sweep%202V%209V

Load%20sweep%203V%209V

Load%20sweep%205V%209V



Load sweep 15V out

Load%20sweep%202V%2015V

Load%20sweep%203V%2015V

Load%20sweep%205V%2015V

Load%20sweep%2012V%2015V



Load sweep 20V out

Load%20sweep%202V%2020V

Load%20sweep%203V%2020V

Load%20sweep%205V%2020V

Load%20sweep%209V%2020V

Load%20sweep%2012V%2020V

Load%20sweep%2015V%2020V

Load%20sweep%2018V%2020V



Voltage sweep



Voltage sweep 5V out

Voltage%20sweep%200.1A%205V%20input%20current
Voltage%20sweep%200.1A%205V

Voltage%20sweep%200.2A%205V%20input%20current
Voltage%20sweep%200.2A%205V

Voltage%20sweep%200.5A%205V%20input%20current
Voltage%20sweep%200.5A%205V

Voltage%20sweep%201.0A%205V%20input%20current
Voltage%20sweep%201.0A%205V



Voltage sweep 9V out

Voltage%20sweep%200.1A%209V%20input%20current
Voltage%20sweep%200.1A%209V

Voltage%20sweep%200.2A%209V%20input%20current
Voltage%20sweep%200.2A%209V

Voltage%20sweep%200.5A%209V%20input%20current
Voltage%20sweep%200.5A%209V



Voltage sweep 12V out

Voltage%20sweep%200.1A%2012V%20input%20current
Voltage%20sweep%200.1A%2012V

Voltage%20sweep%200.2A%2012V%20input%20current
Voltage%20sweep%200.2A%2012V

Voltage%20sweep%200.5A%2012V%20input%20current
Voltage%20sweep%200.5A%2012V



Voltage sweep 15V out

Voltage%20sweep%200.1A%2015V%20input%20current
Voltage%20sweep%200.1A%2015V

Voltage%20sweep%200.2A%2015V%20input%20current
Voltage%20sweep%200.2A%2015V

Voltage%20sweep%200.5A%2015V%20input%20current
Voltage%20sweep%200.5A%2015V



Voltage sweep No load

No%20load%20voltage%20sweep%205V

No%20load%20voltage%20sweep%209V

No%20load%20voltage%20sweep%2015V



Load test


Load%20test%200.6A%205V

Temp7044

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

Load%20test%200.3A%2012V

Temp7045

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



On/off

LoadOn40ohm5Vin3V

LoadOff40ohm5Vin3V

PowerOn40ohm5Vin3V

PowerOff40ohm5Vin3V

LoadOn40ohm12Vin3V

LoadOn40ohm12Vin3V100uF

Adding 100uF to the output.

LoadOn40ohm12Vin3V330uF

Adding 330uF to the output.

LoadOn40ohm12Vin9V

LoadOff40ohm12Vin9V



Noise

Noise40ohm5Vin3V

Spectrum40ohm5Vin3V