Diodes DMC4050SSD - Manual (Page 6)

DMC4050SSD
Document number: DS33310 Rev. 2 - 2
6 of 11
www.diodes.com
March 2011
© Diodes Incorporated
DMC4050SSD
A Product Line of
Diodes Incorporated
10
100
1,000
10,000
0 5 10 15 20 25 30
Fig. 9 Typical Total Capacitance
V , DRAIN-SOURCE VOLTAGE (V)
DS
C
,
C
A
P
A
C
IT
AN
C
E (
p
F
)
C
iss
C
rss
C
oss
f = 1MHz
0 5 10 15 20 25 30 35 40
Fig. 10 Typical Leakage Current
vs. Drain-Source Voltage
V , DRAIN-SOURCE VOLTAGE (V)
DS
1
10
100
10,000
I
, L
E
AKA
G
E
C
U
R
R
EN
T
(n
A
)
DS
S
1,000
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
0 5 10 15 20 25 30 35 40
Fig. 11 Gate-Charge Characteristics
Q , TOTAL GATE CHARGE (nC)
g
0
2
4
6
8
10
V,
G
A
T
E-
S
O
U
R
C
E V
O
L
T
A
G
E
(V
)
GS
V = 20V
I = 12A
DS
D
0.001 0.01 0.1 1 10 100 1,000
Fig. 12 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.0001
0.001
0.01
0.1
1
r(t
),
T
R
ANSI
EN
T
T
H
E
R
MA
L
R
ESI
S
T
AN
C
E
T - T = P * R (t)
Duty Cycle, D = t /t
J A JA
1 2
θ
R (t) = r(t) * θJA R
R = 94°C/W
θ
θ
JA
JA
P(pk)
t
1
t
2
D = 0.7
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
D = 0.9
D = 0.5