Electronics Engineering · Power Supplies
What is the major disadvantage of a linear regulated power supply compared to a switch-mode power supply (SMPS)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It suffers from extreme RF noise interference.
- 2Its overall power efficiency is low, typically lying in the range of 30-60%.✓
- 3It requires a complex high-frequency transformer.
- 4The leakage current is extremely high.
Correct answer
Its overall power efficiency is low, typically lying in the range of 30-60%.
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