{512} Why SMPS Fluctuates / Reasons for SMPS Output Voltage Fluctuation Switch Mode Power Supply

in this video i explained Why #SMPS Fluctuates / Reasons for SMPS #Fluctuation Switch Mode Power Supply. in this tutorial i explained functional description of switch mode power supply, what is fluctuation in output voltage. it happens when there is feedback missing or some failure in feedback loop,
if vcc voltage are out of specified limit then the ic may drive in Over Load Protection OLP mode, or it may go in under voltage lockout UVLO, in OLP or UVLO condition the ic will disconnect the drive signal.
whenever there is some overload condition which will cause to draw over current from the converter but in that situation the smps controller will reach at maximum duty cycle value and the vcc pin will reach at OLP (overload protection) so the output will remain disconnected until the vcc pin will decrease at its UVLO value.
How to repair switch mode power supply SMPS VERY EASY practical troubleshooting۔ i explained practical How to repair switch mode power supply SMPS very easy. i shared my easiest and perfect troubleshooting techniques practical troubleshooting. smps concept and troubleshooting repairing or understanding repair switching mode power supply basics and working principle. also i discussed smps basics. after watching this video you can capable to:-
how to repair smps
how to repair switch mode power supply when output voltage are unstable or unregulated. in this condition the output voltage value moves beyond the load regulation or input regulation tolerance.
if SMPS is dead or no ouput
if SMPS have fluctuating output or output voltage unregulated
if smps have short circuit in output
how to eliminate short circuit
how to troubleshoot PWM SMPS controller when there is no switching from MOSFET
if SMPS have a whistle sound or excessive noise or excessive heat
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Видео {512} Why SMPS Fluctuates / Reasons for SMPS Output Voltage Fluctuation Switch Mode Power Supply канала Haseeb Electronics