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estudio y análisis de soluciones topológicas de convertidores cc - cc ...

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Anexo I<br />

Pérdidas por condu<strong>cc</strong>ión<br />

R on<br />

P on :=<br />

mos<br />

⋅( ) 2<br />

I D3_6ef<br />

P on = 11.423W<br />

Pérdidas por Carga <strong>de</strong> la Puerta <strong>de</strong>l MOSFET<br />

P gs := mos⋅Q gs ⋅V gs ⋅fs<br />

P gs = 0.18W<br />

Pérdidas por "Capacitancia Parasita" en drenador-fuente<br />

mos<br />

P coos := ⋅C oos ⋅<br />

2<br />

( ) 2<br />

n sel ⋅VB tip<br />

⋅fs<br />

P coos = 0.871W<br />

Pérdidas por convivencia "Corriente-Tension" (switching losses)<br />

P sw :=<br />

( ) ⋅fs⋅( )<br />

n sel ⋅VB tip<br />

T on ⋅i sw<br />

P sw = 1.414W<br />

Pérdidas individuales <strong>de</strong> M3<br />

P M3 := P on + P gs + P coos + P sw<br />

P M3 = 13.888W<br />

Pérdidas totales <strong>de</strong>s<strong>de</strong> M3 a M6<br />

( ) 4<br />

P M3_6 := P on + P gs + P coos + P sw ⋅<br />

P M3_6 = 55.553W<br />

251

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