Diodes DMC4028SSD - Manual (Page 9)

DMC4028SSD
Document Number: D35041 Rev: 2 - 2
9 of 11
www.diodes.com
April 2013
© Diodes Incorporated
ADVAN
CE I
N
F
O
RM
ATI
O
N
A Product Line of
Diodes Incorporated
DMC4028SSD
Typical Characteristics – Q2 P-Channel –
(cont.)
0.1 1 10
0
200
400
600
800
1000
C
RSS
C
OSS
C
ISS
V
GS
= 0V
f = 1MHz
C
Cap
a
ci
ta
nce
(pF
)
-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
ou
rc
e V
ol
tag
e (
V
)
Test Circuits – Q2 P-Channel
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 1␮S
Duty factor 0.1%
V
DS
I
D
I
G