AO4914(2011) 데이터 시트보기 (PDF) - Alpha and Omega Semiconductor

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AO4914
(Rev.:2011)

30V Dual N-Channel MOSFET with Schottky Diode

Alpha and Omega Semiconductor 

AO4914

+

VDC

-

Vgs

Ig

Gate Charge Test Circuit & Waveform

+

Vds

VDC

DUT -

Vgs

10V

Qgs

Qg

Qgd

Vds

Vgs

Rg

Resistive Switching Test Circuit & Waveforms

RL

Vds

DUT

+

Vdd

VDC

-

Charge

90%

10%

Vgs

Vgs

td(on) tr

ton

td(off)

tf

toff

Vds

Id

Vgs

Rg

Vgs

Unclamped Inductive Switching (UIS) Test Circuit & Waveforms

L

2

EAR= 1/2 LIAR

Vds

Vgs

+

Vdd

VDC

-

Id

DUT

Vgs

B VD S S

I AR

Vds +

DUT

Diode Recovery Test Circuit & Waveforms

Q rr = - Idt

Vgs

Vds -

Isd

Vgs

Ig

L

Isd

IF

t rr

dI/dt

+

Vdd

I RM

VDC

-

Vds

Vdd

Rev 11: Mar. 2011

www.aosmd.com

Page 9 of 9

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