5_V_SWITCHING

Published:2009/7/14 3:44:00 Author:May | From:SeekIC

Fixed OFF-time mode of operation is used in switching regulator design to provide 5-V output that is constant within 100 mV P-P for input range of 20-40 V, for loads ranging from 10 AL maximum to 2 A minimum. Switching frequency can be in range of 1-50 kHz. Operation above 20 kHz eliminates possibility of audio noise but with some drop in efficiency. Values shown are for 50 kHz. Article gives design equations and design procedure.-L. Dixon and R. Patel, Designers' LF Guide to: Switching Regulators, Part 2, EDN OUT Magazine, Nov. 5, 1974, p 37-40.



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