Data Sheet

©2000 Fairchild Semiconductor Corporation
FQP3P20 Rev. C0
www.fairchildsemi.com
5
FQP3P20 — P-Channel QFET
®
MOSFET
Figure 12. Gate Charge Test Circuit & Waveform
F
igure 13. Resistive Switc
hing Test
Circuit
& Waveforms
Figure 14. Unclamped Inductive Switching Test Circuit & Waveforms
VV
DSDS
VV
GSGS
1010%%
90%90%
tt
d(d(onon))
tt
rr
tt
onon
tt
ofofff
tt
d(d(ofof ff))
tt
ff
VV
DDDD
VV
DSDS
RR
LL
DUTDUT
RR
GG
VV
GSGS
ChChargargee
VV
GSGS
QQ
gg
QQ
gsgs
QQ
gdgd
VV
GSGS
DUDUTT
VV
DSDS
300300nFnF
50K50KΩΩ
200n200nFF
12V12V
SamSamee T Tyypepe
as as DUDUTT
E
EE
AS AS AS
-
-
--
===
2
1
2
1
2
1
2
1
---
---
------
LLL
ASASAS
III
BVBV
DSDSSS
222
---
---
----
----
----
----
----
----
-----
-----
BV
BV
DSDSSS
-V-V
DDDD
VV
DDDD
VV
DSDS
BVBV
DSSDSS
t t
pp
VV
DDDD
II
ASAS
VV
DS DS
(t)(t)
II
D D
(t(t))
TiTimmee
DUDUTT
RR
GG
LLL
III
DDD
t t
pp
I
G
= const.
VV
GSGS
VV
GSGS