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A DCM boost converter is to be designed to operate under the following conditions: 18 V V, 36 V 5 W Pload 100 W
A DCM boost converter is to be designed to operate under the following conditions: 18 V V, 36 V 5 W Pload 100 W V = 48 V fs = 150 kHz You may assume that a feedback loop is in place that changes the transistor duty cycle as necessary to maintain a constant output voltage of 48. Design the converter, subject to the following specifications: The converter should operate in the discontinuous conduction mode at all times. To ensure an adequate design margin, the inductance L should be chosen such that K is no greater than 75% of Kerit at all operating points. Given the above requirements, choose the element values to minimise the peak inductor current. Specify: The output voltage peak ripple should be less than 1V. (a) The inductor value L. (b) The output capacitor value C. (c) The worst-case peak inductor current ipeak.
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