Driver Mosfet

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    MOSFET sebagai Komponen

    Switching

    oleh Niam Tamami

    [email protected] http://nitbot.com

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    mailto:[email protected]:[email protected]
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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