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Electronic Devices - Voltage Regulators - Discussion

Discussion Forum : Voltage Regulators - General Questions (Q.No. 33)
Voltage Regulators
33.
In a series regulator, what is the purpose of fold-back limiting?
to provide more current in the case of a short circuit
to limit output voltage if input voltage goes too high
to bypass the pass-transistor, if the pass-transistor should fail
to provide current up to a maximum, but drop current to a lower value when the output becomes shorted, to prevent overheating of the device
Answer: Option
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