Dmg7408sfg – Diodes DMG7408SFG User Manual
Page 3
POWERDI is a registered trademark of Diodes Incorporated
DMG7408SFG
Document number: DS35620 Rev. 5 - 2
3 of 6
June 2012
© Diodes Incorporated
DMG7408SFG
ADVAN
CE I
N
F
O
RM
ATI
O
N
ADVAN
CE I
N
F
O
RM
ATI
O
N
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Fig. 1 Typical Output Characteristic
V
, DRAIN-SOURCE VOLTAGE (V)
DS
0
10
15
20
25
30
I,
D
R
AI
N
C
U
R
R
EN
T
(A
)
D
5
V
= 2.5V
GS
V
= 3.0V
GS
V
= 3.5V
GS
V
= 4.5V
GS
V
= 4.0V
GS
V
= 10V
GS
0
5
10
15
20
0
0.5
1
1.5
2
2.5
3
3.5
4
Fig. 2 Typical Transfer Characteristic
V
, GATE-SOURCE VOLTAGE (V)
GS
I,
D
R
AI
N
C
U
R
R
EN
T
(A
)
D
V
= 85°C
GS
V
= 125°C
GS
V
= 25°C
GS
V
= -55°C
GS
V
= 150°C
GS
V
= 5V
DS
0
10
20
15
25
30
Fig. 3 Typical On-Resistance
vs. Drain Current and Gate Voltage
I , DRAIN-SOURCE CURRENT (A)
D
5
0.05
R
, D
R
AI
N
-S
O
U
R
C
E
O
N-
R
ES
IS
T
AN
C
E (
)
DS
(O
N)
Ω
0
0.04
0.01
0.02
0.03
V
= 3.5V
GS
V
= 4.5V
GS
V
= 10V
GS
0
5
10
15
20
25
30
I , DRAIN CURRENT (A)
D
Fig. 4 Typical On-Resistance
vs. Drain Current and Temperature
0
0.01
0.02
0.04
R
, D
R
AI
N
-S
O
U
R
C
E
O
N
-R
ESI
S
T
A
N
C
E (
)
DS
(O
N)
Ω
0.03
T = 85°C
A
T = 25°C
A
T = -55°C
A
T = 150°C
A
V
= 10V
GS
T = 125°C
A
0.5
0.7
0.9
1.1
1.3
1.5
1.7
Fig. 5 On-Resistance Variation with Temperature
-50
-25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
R
, DRAI
N-
S
OURC
E
ON-
R
ESIS
T
A
NCE (
N
ORM
A
L
IZ
E
D)
DS
O
N
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D
0
0.01
0.02
0.03
0.04
0.05
0.06
Fig. 6 On-Resistance Variation with Temperature
-50
-25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
R
, DRAIN-
S
OURCE
ON
-RESIS
T
A
NCE (
)
DS
O
N
Ω
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D