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EE409-Diode Equations
Course: EE 409, Fall 2008School: Montana
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Equations: Diode Built-in Voltage: EE409 TjKaiser Vbi = kT N A N D ln q ni2 N A p - side doping N D n - side doping Depletion Width: 2e e W x p + xn = r 0 q 2e e xn = r 0 q 2e e xp = r 0 q 2e e W = r 0 q NA + ND 2 N N Vbi A D 1 1 2 NA N ( N + N ) Vbi D D A 2 ND N ( N + N ) Vbi A D A 2 NA + ND (Vbi - V A ) N N A D 1 1 Capacitance: qe e e e A C = r 0...
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Equations: Diode Built-in Voltage:
EE409
TjKaiser
Vbi =
kT N A N D ln q ni2
N A p - side doping N D n - side doping
Depletion Width:
2e e W x p + xn = r 0 q 2e e xn = r 0 q 2e e xp = r 0 q 2e e W = r 0 q NA + ND 2 N N Vbi A D
1 1
2 NA N ( N + N ) Vbi D D A 2 ND N ( N + N ) Vbi A D A 2 NA + ND (Vbi - V A ) N N A D
1 1
Capacitance:
qe e e e A C = r 0 = A r 0 W 2 Current:
I diff qV A = I 0 e kT - 1 qAni W 2t 0 Dn ni2 D p ni2 + I 0 = qA Ln N A L p N D ...
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