Diodes DMG4812SSS - Manual (Page 3)

DMG4812SSS
Document number: DS35071 Rev. 2 - 2
3 of 6
www.diodes.com
January 2011
© Diodes Incorporated
DMG4812SSS
0 0.5 1 1.5 2
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 = 2.0V
GS
V = 2.2V
GS
V = 2.5V
GS
V = 3.0V
GS
V = 3.5V
GS
V = 4.5V
GS
V = 4.0V
GS
Fig. 2 Typical Transfer Characteristic
V , GATE-SOURCE VOLTAGE (V)
GS
0 1 1.5 2 2.5 3 0.5
0
5
10
15
20
25
30
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
ESI
S
T
AN
C
E (
)
DS
(O
N)
Ω
0
0.04
0.01
0.02
0.03
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
AN
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 = 4.5V
GS
T = 125°C
A
Fig. 5 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
R
, DRA
IN-
S
OUR
CE
O
N
-R
ESI
ST
ANCE (
N
O
R
M
A
L
IZED)
DS
O
N
0.6
0.8
1.0
1.2
1.4
1.6
V = 4.5V
I = 10A
GS
D
V = 10V
I = 20A
GS
D
Fig. 6 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0
0.01
0.03
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
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
0.02
V = 4.5V
I = 10A
GS
D
V = 10V
I = 20A
GS
D