Shared Flashcard Set

Details

Analog
Current Regulators
14
Engineering
Professional
10/20/2008

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Cards

Term
A circuit that prevents further damage to the external circuit and prevents damage to the power supply is known as a _________ __________.
Definition
Current Limiter
Term
A _________ _________ is a signal device that uses two transistors.
Definition
Darlington Pair
Term
In a darlington pair, the difference in voltage between the base and emitter is ________?
Definition
1.2 VDC
Term
The final collector current through a darlington pair is equal to a factor of _____ squared.
Definition
Beta
Term
When ______ occurs, regulation is lost because it is impossible to hold both voltage and current constant under changing load conditions.
Definition
Fold-Back
Term
Any single transistor or darlington pair that is connected in series to the load so all the current must go through it is known as a _________.
Definition
Pass Transistor
Term
As the emitter to base voltage of the darlington pair decreases, the current will essentially remain ________?
Definition
Constant
Term
A darlington pair configuration is ________ connected?
Definition
Externally
Term
When the darlington pair saturates, the voltage between the collector and the emitter can never go below _______?
Definition
One diode drop (600mV)
Term
Darlington pairs can be thought of as a _______ ________.
Definition
Super Transistor
Term
In a darlington pair, there is _____ collector, ______ bases, and ______ emitters.
Definition
One, One, One!
Term
A ________ _______ circuit is an essential element of a power supply.
Definition
Current Limiting
Term
The main difference between a current regulator and a voltage regulator is that a _______ has been added in series with the transistor to detect current changes.
Definition
Resistor
Term
A decrease in load voltage that accompanies limiting is called ______.
Definition
Fold-Back
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