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Source effect test and Load effect test | DC-DC Converters

Nov 15 , 2021

source effect test  | DC-DC Converters


Adjust the adjustable regulated power supply ,change the input voltage from low voltage to high voltage, when the output load is full load; Record the output voltage Va0 at the nominal voltage, and the highest output voltage Vah and the lowest output voltage Val that occur during adjustment, and then the source effect is calculated by formula (1), where the source effect with the maximum absolute value shall meet the index requirements.


…………………………………………… (1)


Noted: Va0-output voltage reference value; Va-refers to Vah or Val.



Load effect test | DC-DC Converters



Adjust the adjustable regulated power supply and the adjustable load, when the input voltage is the nominal voltage, the output load slowly changes from the no load to the full load; In this process ,record the corresponding output voltage Vb0 at the 50% rated load,and the highest output voltage Vbh and the lowest output voltage Vbl occurring during the adjustment process, and then the positive / negative load adjustment rate is calculated by formula (2), in which the maximum absolute load adjustment rate shall meet the technical requirements.


…………………………………………(2


Noted:

Vb0- -output voltage at the 50% rated load

Vb — refers to Vbh or Vbl.


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