Typical characteristics – q1 n-channel, Test circuits – q1 n-channel, Dmc4028ssd – Diodes DMC4028SSD User Manual
Page 6: A product line of diodes incorporated, Ccapac itanc e ( p f ) v, Drain - source voltage (v)
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DMC4028SSD
Document Number: D35041 Rev: 2 - 2
6 of 11
April 2013
© Diodes Incorporated
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N
F
O
RM
ATI
O
N
A Product Line of
Diodes Incorporated
DMC4028SSD
Typical Characteristics – Q1 N-Channel -
(cont.)
0.1
1
10
0
200
400
600
800
C
RSS
C
OSS
C
ISS
V
GS
= 0V
f = 1MHz
C
Capac
itanc
e (
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
ate-S
our
ce
V
oltage (
V
)
Test Circuits – Q1 N-Channel
Current
regulator
Charge
Gate charge test circuit
Switching time test circuit
Basic gate charge waveform
Switching time waveforms
D.U.T
50k
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
V
DS
DD
V
R
D
R
G
V
DS
I
D
I
G
d(off)
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