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A switch-mode power supply (SMPS) switches been fully-on and fully-off states quickly to maintain voltage regulation. They offer lower power dissipation and run cooler than linear regulators that continually dissipate power through a transistor.

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How can I power the SMPS with reduced input AC voltage while it's under full load?

Re-designed SMPS with a new transformer and it worked as per.
S_D's user avatar
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1 vote
2 answers
168 views

Can someone explain the purpose of the highlighted part in the circuit?

What is the purpose of the highlighted part in this circuit, and how does it affect the overall functionality of the circuit? Could it be that the highlighted section of the circuit is used to supply …
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  • 89
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1 answer
204 views

How can I power the SMPS with reduced input AC voltage while it's under full load?

I'm encountering a design issue with my switch-mode power supply that utilizes the InnoSwitch3-EP (INN3678C). The SMPS powers up and outputs the required V when the input voltage is 133VAC or higher …
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  • 89