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

DSC_5851

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

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Load%20sweep%2012V%20Out%3D5V
Load%20sweep%2024V%20Out%3D5V
Load%20sweep%2040V%20Out%3D5V
Load%20sweep%2050V%20Out%3D5V



Load sweep 12V output load

Load%20sweep%2018V%20Out%3D12V
Load%20sweep%2024V%20Out%3D12V
Load%20sweep%2040V%20Out%3D12V
Load%20sweep%2050V%20Out%3D12V



Load sweep 24V output load

Load%20sweep%2030V%20Out%3D24V
Load%20sweep%2040V%20Out%3D24V
Load%20sweep%2050V%20Out%3D24V



Load sweep 32V output load

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Load%20sweep%2050V%20Out%3D32V



Voltage sweep 5V output load

Voltage%20sweep%200.1A%20Out%3D5V%20input%20current
Voltage%20sweep%200.1A%20Out%3D5V

Voltage%20sweep%200.3A%20Out%3D5V%20input%20current
Voltage%20sweep%200.3A%20Out%3D5V

Voltage%20sweep%201.0A%20Out%3D5V%20input%20current
Voltage%20sweep%201.0A%20Out%3D5V

Voltage%20sweep%203.0A%20Out%3D5V%20input%20current
Voltage%20sweep%203.0A%20Out%3D5V



Voltage sweep 12V output load

Voltage%20sweep%200.1A%20Out%3D12V%20input%20current
Voltage%20sweep%200.1A%20Out%3D12V

Voltage%20sweep%200.3A%20Out%3D12V%20input%20current
Voltage%20sweep%200.3A%20Out%3D12V

Voltage%20sweep%201.0A%20Out%3D12V%20input%20current
Voltage%20sweep%201.0A%20Out%3D12V

Voltage%20sweep%203.0A%20Out%3D12V%20input%20current
Voltage%20sweep%203.0A%20Out%3D12V



Voltage sweep 24V output load

Voltage%20sweep%200.1A%20Out%3D24V%20input%20current
Voltage%20sweep%200.1A%20Out%3D24V

Voltage%20sweep%200.3A%20Out%3D24V%20input%20current
Voltage%20sweep%200.3A%20Out%3D24V

Voltage%20sweep%201.0A%20Out%3D24V%20input%20current
Voltage%20sweep%201.0A%20Out%3D24V

Voltage%20sweep%203.0A%20Out%3D24V%20input%20current
Voltage%20sweep%203.0A%20Out%3D24V



Voltage sweep 32V output load

Voltage%20sweep%200.1A%20Out%3D32V%20input%20current
Voltage%20sweep%200.1A%20Out%3D32V

Voltage%20sweep%200.3A%20Out%3D32V%20input%20current
Voltage%20sweep%200.3A%20Out%3D32V

Voltage%20sweep%201.0A%20Out%3D32V%20input%20current
Voltage%20sweep%201.0A%20Out%3D32V

Voltage%20sweep%203.0A%20Out%3D32V%20input%20current
Voltage%20sweep%203.0A%20Out%3D32V



Voltage sweep no load

No%20load%20voltage%20sweep%20Out%3D5V

No%20load%20voltage%20sweep%20Out%3D32V



Noise 5V output

5ohm5Vin12V

noohm5Vin24V

5ohm5Vin50V

5ohm5Vin50Vfast

5ohm5Vin50Vspectrum

1.2ohm5Vin50V



Noise 12V output

noohm12Vin24V

noohm12Vin50V

5ohm12Vin24V

10ohm12Vin50V

5ohm12Vin24V



Noise 32V output

noohm32Vin50V

10ohm32Vin50V



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.

LoadOn5Vin12V

LoadOn5Vin50V

LoadOn24Vin50V

LoadOff5Vin12V

LoadOff5Vin50V

LoadOff5Vin50Vdetail

LoadOff12Vin50V



Load test with thermophotos

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Temp6726

M1: 52.1C, HS1: 66.2C

Temp6727

M1: 50.2C, HS1: 91.3C

Temp6728

M1: 53.0C, HS1: 98.7C

Temp6729

M1: 60.3C, M2: 73.8C, HS1: 90.2C

Load%20test%203.0A%20Out%3D24V

Temp6730

M1: 66.6C, HS1: 87.8C

Temp6731

M1: 87.5C, HS1: 157.2C

Temp6732

M1: 63.5C, HS1: 141.9C

Temp6733

M1: 97.7C, M2: 103.4C, HS1: 151.3C