Typical characteristics - continued, Test circuits, Cca pa ci ta nce (p f ) -v – Diodes DMP4050SSS User Manual
Page 6: Drain - source voltage (v), Dmp4050sss, A product line of diodes incorporated, Gat e- s our ce v ol tage ( v )
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DMP4050SSS
Document Number DS32108 Rev 1 - 2
6 of 8
March 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
DMP4050SSS
ADVAN
CE I
N
F
O
RM
ATI
O
N
Typical Characteristics - continued
0.1
1
10
0
200
400
600
800
1000
C
RSS
C
OSS
C
ISS
V
GS
= 0V
f = 1MHz
C
Ca
pa
ci
ta
nce
(p
F
)
-V
DS
- Drain - Source Voltage (V)
0
2
4
6
8
10
12
14
0
2
4
6
8
10
V
DS
= -20V
I
D
= -6A
Gate-Source Voltage v Gate Charge
Capacitance v Drain-Source Voltage
Q - Charge (nC)
-V
GS
G
at
e-
S
our
ce V
ol
tage (
V
)
Test Circuits
Current
regulator
Charge
Gate charge test circuit
Switching time test circuit
Basic gate charge waveform
Switching time waveforms
D.U.T
50k
0.2
F
12V
Same as
D.U.T
V
GS
V
GS
V
DS
V
G
Q
GS
Q
GD
Q
G
V
GS
90%
10%
t
(on)
t
(on)
t
d(on)
t
r
t
r
t
d(off)
V
DS
V
DD
R
D
R
G
Pulse width
Ͻ 1S
Duty factor 0.1%
V
DS
I
D
I
G