1. What are the advantages and disadvantages of replacing the linear regulator with a switching power...
1. What are the advantages and disadvantages of replacing the linear regulator with a switching power converter? Include at least one real-world example of where such a replacement is practical and one where it is not.
Homework Answers
advantages of switching power converter over linear regulator are as below.
1. efficiency of switching power converter is high.
2. switching power converter can handel more power.
3. size of switching power converter is small as it not require big heatsink.
4. it can permorm buck and boost both operation.
5. size of filter component is small.
disadvantages of switching power converter over linear regulator are as below.
1. noise of switching power converter is high as it uses high frequency.
2.switching power converter has slower feedback response compare to linear regulator.
3. Switching power converter has more complex design compare to linear regulator.
real-world example of where linear regulator can be replaced.
1. DC power supply for Laptop ,mobile etc.
2. industirial motor driving application.
real-world example of where linear regulator cannot be replaced.
1. Switching power converter can not be used where EMI is issue.
2. Switching power converter can not be used for very low power application like low voltage CMOS logic circuit.
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(a) The following circuit shows a linear
voltage regulator. Assuming the zener diode has specifications (VZ
= 2.5 V, IZ = 60 mA), select adequate resistor values to provide a
regulated output voltage Vo = 10 V from an unregulated voltage Vi =
15V.
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