Diodes DMG4468LFG - Manual (Page 4)

DMG4468LFG
Document number: DS31857 Rev. 2 - 2
4 of 6
www.diodes.com
October 2009
© Diodes Incorporated
DMG4468LFG
NEW PROD
UC
T
0 5 10 15 20 25 30
Fig. 9 Typical Leakage Current vs. Drain-Source Voltage
V , DRAIN-SOURCE VOLTAGE (V)
DS
1
10
100
1,000
10,000
I,
L
E
A
K
A
G
E
C
U
R
R
EN
T
(n
A
)
DS
S
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
Fig.10 Gate-Source Leakge Current vs Voltage
1 2 3 4 5 6 7 8
V , GATE-SOURCE VOLTAGE (V)
GS
1
10
100
1,000
I,
L
E
A
K
A
G
E
C
U
R
R
EN
T
(n
A
)
GS
S
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A T = 150°C
A
Fig.11 Gate-Source Leakge Current vs Voltage
1
10
100
1,000
1 2 3 4 5 6 7 8
V , GATE-SOURCE VOLTAGE (V)
GS
I
, L
EAK
A
G
E
C
U
R
R
EN
T
(n
A
)
GS
S
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1,000
Fig. 12 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.001
0.01
0.1
1
r(t
),
T
R
AN
SI
EN
T
T
H
E
R
MA
L
R
ES
IS
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 = 83°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