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日期:2024-08-11
In the picture shown, can "Output" be controlled to be 0V or 12V based on "Control"? Will be Drain and Source the way it is connected be a problem? ... You are using a P-channel MOSFET as a high side switch. That's fine. The direction you have it wired in...
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日期:2024-08-13
When in the OFF-state, the power MOSFET is equivalent to a PIN diode (constituted by the P + diffusion, the N − epitaxial layer and the N + substrate). When this highly non-symmetrical structure is reverse-biased, the space-charge region extends principal...
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日期:2024-08-09
A MOSFET is a transistor that uses the effects of an electric field to control the flow of current; it acts as a switch and a signal amplifier. Unlike a junction transistor, which controls a large current with a smaller one, a MOSFET controls current with...
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日期:2024-08-10
Level shifting: You MAY be able to switch a 5V high side P channel MOSFET with a 3.3V mcu but the design would either be marginal or tricky. If you swing the drive signal 0/3.3V and have a 5V high side supply the FET sees 5V/1.7V relative to +5V. A MOSFET...
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日期:2024-08-12
Charlie, You can use a STD30PF03L. It comes in a DPAK or IPAK footprint. Your choice of physical size. See the P-Ch diagram in Reply #13 in this thread. Here are P-Ch Mosfets with lower internal resistance: FDD3706/FDU3706 (lowest resistance) and FDS6576...
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日期:2024-08-07
The pursuit for the perfect switch faces many process challenges--a closer look inside Intel's latest 22-nm process. ... Consumer demand for higher performance and lower power has long been the driving force for CMOS technology. The continuous scaling of ...
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日期:2024-08-12
P-channel MOSFET 引用: http://www.physics.udel.edu/~watson/scen103/mos5.
html N-channel MOSFET 引用:http:...