How to raise Switching Mode PS output current

[abdulbadii]

How do we manage to raise Switching Mode PS output current having 3 pin of 2 voltage output and specs :

Input 220V 800 mA
Output
16 V 500 mA
32 V 370 mA

DC voltage was measured correctly by DMM

Need arose because instead of performing DC PS, it and its load do stutter, as tested on 16V output, with idle interval around a second when it's being loaded with a RS385 DC motor which runs normally on other PS

Is raising the current output, by replacing few capacitors' rating or others' with higher ones, would be the easiest, practical solution and really safe method used commonly, or this SMPS does have some trouble and faulty in some circuit part ? If such above hints it really has some faulty, in which part it'd usually be?

 

[alec_t]

Welcome to ETO!
The start-up/stall current draw of a DC motor is several times its running speed current. If the motor current at start-up exceeds the PS rated output current then a well-designed PS will temporarily shut down to protect itself. That produces the 'stutter'.
You would probably need to upgrade several components in the PS to raise its rated current. Without a schematic of the PS that would be difficult. The answer is to buy a higher-rated PS.

 

[abdulbadii]

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