Assume Vin is a 1 kHz 'sine wave'. Assume the threshold voltage of the diode is 1 V. The L78L33 is a 3.3 V Voltage regulator and requires at least 5 V on its input to be able to have a steady 3.3 Vout. D1 L78L33 2 Vin R1 Vout Given Variables Name Value Units Vin 8.5 Vrms C1 11 uF What is the smallest value resistor R1 that can be used as a load before Vout is no longer regulated at 3.3 V?

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Problem 5: Voltage Regulator
Assume Vin is a 1 kHz 'sine wave'. Assume the threshold voltage of
the diode is 1 V. The L78L33 is a 3.3 V Voltage regulator and requires
at least 5 V on its input to be able to have a steady 3.3 Vout.
D1
3
L78L33
Vin
C1
R1
Vout
Given Variables
Name
Value
Units
Vin
8.5
Vrms
C1
11
uF
What is the smallest value resistor R1 that can be used as a load
before Vout is no longer regulated at 3.3 V?
H
Transcribed Image Text:Problem 5: Voltage Regulator Assume Vin is a 1 kHz 'sine wave'. Assume the threshold voltage of the diode is 1 V. The L78L33 is a 3.3 V Voltage regulator and requires at least 5 V on its input to be able to have a steady 3.3 Vout. D1 3 L78L33 Vin C1 R1 Vout Given Variables Name Value Units Vin 8.5 Vrms C1 11 uF What is the smallest value resistor R1 that can be used as a load before Vout is no longer regulated at 3.3 V? H
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