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Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn-junction diode

Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

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Page 1: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Power Semiconductor Devices Power Diodes

Cross-sectional view of a pn-junction diode intended for power applications.

I-V characteristics of a pn-junction diode

Page 2: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Breakdown Voltage of Non-Punch-through Diodes

for silicon.

Punch-through in a reverse-biased diode (a) reverse-biased diode with depletion layer extending completely across the drift region- punch-through condition (b) electric field profile of the punch-through condition in a reverse-biased diode

Breakdown Voltage of Punch-through Diodes

doping in the n- drift region is negligible

Page 3: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Depletion Layer Boundary Control

Page 4: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Depletion Layer Boundary Control

Page 5: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

On-State Losses: Role of On-Resistance

Turn-On Transient Turn-Off Transient

Reverse Recovery

Page 6: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Schottky Diodes

Page 7: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Power MOSFETs

Basic Structure

Page 8: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Power MOSFETs

Basic Structure

Page 9: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Power MOSFETs

Page 10: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Insulated Gate Bipolar Transistor

Page 11: Power Semiconductor Devices Power Diodes Cross-sectional view of a pn- junction diode intended for power applications. I-V characteristics of a pn- junction

Insulated Gate Bipolar Transistor