A 5.0V stabilised power supply is required to be produced from a 12V DC power supply input source. The maximum power rating P: of the zener diode is 2W. Using the zener regulator circuit below; calculate: D.C. input voltage from rectifier or smoothing circuit Vin (v) 」和十孝 Voui-Vz ov a). The maximum current flowing through the zener diode. b). The minimum value of the series resistor, RS c). The load current I, if a load resistor of 1k0 is connected across the zener diode.
A 5.0V stabilised power supply is required to be produced from a 12V DC power supply input source. The maximum power rating P: of the zener diode is 2W. Using the zener regulator circuit below; calculate: D.C. input voltage from rectifier or smoothing circuit Vin (v) 」和十孝 Voui-Vz ov a). The maximum current flowing through the zener diode. b). The minimum value of the series resistor, RS c). The load current I, if a load resistor of 1k0 is connected across the zener diode.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:A 5.0V stabilised power supply is required to be produced from a 12V DC power supply input source.
The maximum power rating P: of the zener diode is 2W. Using the zener regulator circuit below; calculate:
D.C. Input voltage
from rectifier or
smoothing circuit
Vin (V)
Vout Vz
ov o
a). The maximum current fiowing through the zener diode.
b). The minimum value of the series resistor, Rs
c). The load current I, if a load resistor of 1k0 is connected across the zener diode.
(a) 300 mA, (b) 12.5 ohm, (c) 5 mA
O (a) 300 mA, (b) 12.5 ohm, (c) 10 mA
O (a) 400 mA, (b) 17.5 ohm, (c) 5 mA
O (a) 200 mA, (b) 17.5 ohm, (c) 10 mA
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