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ManualsBrandsPresentation GaN APEC 2015 GaN Applications 01_00 Manualselectrical equipment & suppliesMar 18, 2015

Hard-switched half-bridge

APEC 2015 Seminar S17

21

Q1

Q2

I

L

V

SW

I

Q1

I

Q2

V

SW

= V

DS(Q2)

I

L

0 t

P(t)

Q2

Turn-on

Loss

Reverse

Recovery

Loss

E

OSS

Loss

This is Q1 Eoss.

Q2 Eoss discharge

current is internal,

not seen externally