Determine the minimum value and the maximumvalue that the series resistor may have in a regulatorcircuit whose output voltage is to be 25 V, whose inputvoltage varies from 35 to 40 V, and whose maximumload current is 75 mA. The Zener diode used in thiscircuit has a maximum current ratingof 250 mA.

Determine the minimum value and the maximumvalue that the series resistor may have in a regulatorcircuit whose output voltage is to be 25 V, whose inputvoltage varies from 35 to 40 V, and whose maximumload current is 75 mA. The Zener diode used in thiscircuit has a maximum current ratingof 250 mA.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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Question

Determine the minimum value and the maximum
value that the series resistor may have in a regulator
circuit whose output voltage is to be 25 V, whose input
voltage varies from 35 to 40 V, and whose maximum
load current is 75 mA. The Zener diode used in this
circuit has a maximum current rating
of 250 mA.

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