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At present, the state-of-the-art semiconductor devices are begin manufactured using
Answer: d Explanation: All of the above mentioned can be used but Si-Ca has certain advantages over the other materials.
Answer: d
See lessExplanation: All of the above mentioned can be used but Si-Ca has certain advantages
over the other materials.
An IGBT is also know as
nswer: d Explanation: All of the above mentioned are alternate names of IGBTs.
nswer: d
See lessExplanation: All of the above mentioned are alternate names of IGBTs.
The approximate equivalent circuit of an IGBT consists of
Answer: a Explanation: Gate of the MOSFET forms the gate terminal of the IGBT, the source of MOSFET is connected to the base of the BJT and drain to the collecto
Answer: a
See lessExplanation: Gate of the MOSFET forms the gate terminal of the IGBT, the source of
MOSFET is connected to the base of the BJT and drain to the collecto
Choose the correct statement
Answer: c Explanation: Due to its high gate impedance, IGBTs require less gate drive current.
Answer: c
See lessExplanation: Due to its high gate impedance, IGBTs require less gate drive current.
In an IGBT, during the turn-on time
Answer: c Explanation: Vce decreases from 0.9 to 0.1 of the initial value whereas others increase.
Answer: c
See lessExplanation: Vce decreases from 0.9 to 0.1 of the initial value whereas others
increase.
Latch-up occurs in an IGBT when
Answer: b Explanation: Latch up occurs when the current through the device (Ic) collector current increases beyond a certain value.
Answer: b
See lessExplanation: Latch up occurs when the current through the device (Ic) collector current
increases beyond a certain value.
The static V-I curve of an IGBT is plotted with
Answer: c Explanation: V-I curves are plotted for Ic vs Vce with the controlling parameter (Vge) as a parameter.
Answer: c
See lessExplanation: V-I curves are plotted for Ic vs Vce with the controlling parameter (Vge) as
a parameter.
A latched up IGBT can be turned off by
Answer: a Explanation: Forced commutation of current is the only way to turn off a latched up IGBT.
Answer: a
See lessExplanation: Forced commutation of current is the only way to turn off a latched up
IGBT.
When latch-up occurs in an IGBT
Answer: b Explanation: After latch-up the collector emitter current is no longer in control of the gate terminal.
Answer: b
See lessExplanation: After latch-up the collector emitter current is no longer in control of the gate
terminal.
The structure of the IGBT is a
Answer: b Explanation: The controlling parameter is the gate to emitter voltage, as the device is a voltage controlled device.
Answer: b
See lessExplanation: The controlling parameter is the gate to emitter voltage, as the device is a
voltage controlled device.