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3-5. Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs)
Download "Chapter III : Transistors" (PDF:2.0MB)
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) is currently attracting the most attention among transistors.
There are two types of MOSFET: N channel (See Fig.3-4(a) Nch below) and P channel (See Fig.3-4(b) Pch below).
Nch is widely used for AC/DC power supplies, DC/DC converters, inverter equipment, etc., whereas Pch is used for load switches, high-side switches, etc.
The differences between the bipolar transistor and the MOSFET are shown in Table 3-1.
| BJT(Current-driven device) | MOSFET(Voltage-driven device) |
|---|---|
|
|
Table 3-1 Comparison of BJT and MOSFET
Chapter III : Transistors
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