Design a buck converter with the following specifications: Input voltage = 311 V Output voltage = 48
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Question:
Design a buck converter with the following specifications:
Input voltage = 311 V
Output voltage = 48 V
Output voltage ripple = +/- 0.1%
Maximum output current = 10 A
Inductor current ripple = 5%
Switching frequency = 100 kHz
a) Select the inductor and the output capacitor and show a capture of the behaviour
b) Calculate power losses assuming a rising time of 100 ns, a falling time of 100 ns, and Rdson = 10 mΩ.
c) Calculate output current in the boundary of discontinuous conduction mode
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