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MOSFET sebagai Komponen

Switching

oleh Niam Tamami

niam@pens.ac.id http://nitbot.com

1

mailto:niam@pens.ac.idmailto:niam@pens.ac.id

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owe! MOSFETs

" Te!di!i da!i # $enis

Tipe %epletion

" S&dah te!dapat Kanal 'sal&!an( )ang te!seba!

anta!a %!ain dan So&!ce

Tipe Enhancement

" Tida* te!dapat Kanal 'sal&!an( )ang te!seba!

anta!a %!ain dan So&!ce

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%epletion MOSFET

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N+,hannel %epletion MOSFET

No!mall) -ee!se+ias the 0ate+So&!ce $&nction

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Enhancement MOSFET

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N+,hannel Enhancement MOSFET

0ate So&!ce bias 1o!wa!dTegangan bias ha!&s lebih tinggi da!ipada 2th!eshold3

oltage aga! dae!ah *anal pada %!ain dan So&!ce

Te!bent&*

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%!ain ,ha!acte!istics

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Stead)+State ,ha!acte!istics

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Switching ,ha!acte!istics

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E4&ialent ,i!c&it

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Switching Model

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Switching 5ae1o!ms and Times

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T&!n+on %ela)6 td'on(7 time to cha!ge the inp&t

capacitance to 8T

-ise time6 t!7 ,ha!ging time to cha!ge the inp&t

capacitance to the 1&ll gate oltage6 80Sin o!de! to d!ie

the t!ansisto! into the linea! !egion o1 ope!ation

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T&!n+o11 dela) time6 td'o11(7 time 1o! the inp&t capacitance to

discha!ge 1!om 2oe!d!ie3 oltage 89

to pinch+o11.

80Sm&st dec!ease signi1icantl) 1o! 8%Sto !ise.

Fall time6 t17 time 1o! the inp&t capacitance to discha!ge

1!om pinch+o11 to the th!eshold oltage.

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MOSFET %!ie ,i!c&it

Meminimalisi! owe! osses pada pensa*la!an Ele*t!oni*adalah hal )ang sangat penting saat mendesain !ang*aian

owe! Elect!onics

9.On+State owe! osses te!;adi saat tegangan pada switch

penghanta! tida* 7 ample

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-e1!ensi :

=a!t6 %aniel 5. Power electronics. Tata Mc0!aw+=ill

Ed&cation6 #t!as/catls/!eso&!ces/bina!)doc