Design a Zener diode voltage regulator with a suitable circuit diagram and to consider the voltage regulator is used to power a cell phone at 4.5 V from a lithium ion battery pack, which voltage may vary between 5 V and 7.8 V. The current in the phone will vary 10 mA (when standby mode) to 150 mA (when talking). Assume that the Zener diode current, I½(min) is 10% of Iz(max).
Design a Zener diode voltage regulator with a suitable circuit diagram and to consider the voltage regulator is used to power a cell phone at 4.5 V from a lithium ion battery pack, which voltage may vary between 5 V and 7.8 V. The current in the phone will vary 10 mA (when standby mode) to 150 mA (when talking). Assume that the Zener diode current, I½(min) is 10% of Iz(max).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![Design a Zener diode voltage regulator with a suitable circuit diagram and to consider
the voltage regulator is used to power a cell phone at 4.5 V from a lithium ion battery
pack, which voltage may vary between 5 V and 7.8 V. The current in the phone will vary
10 mA (when standby mode) to 150 mA (when talking). Assume that the Zener diode
current, Iz(min) is 10% of Iz(max).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9c3693b-288f-49b8-9458-b867d3cd8592%2Fe5a2d3e3-880e-4477-93db-b47060d570b9%2F43cnd2_processed.png&w=3840&q=75)
Transcribed Image Text:Design a Zener diode voltage regulator with a suitable circuit diagram and to consider
the voltage regulator is used to power a cell phone at 4.5 V from a lithium ion battery
pack, which voltage may vary between 5 V and 7.8 V. The current in the phone will vary
10 mA (when standby mode) to 150 mA (when talking). Assume that the Zener diode
current, Iz(min) is 10% of Iz(max).
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