Diodes DMP31D0U - Manual (Page 4)

DMP31D0U
D atasheet number: DS35754 Rev. 1 - 2
4 of 7
www.diodes.com
February 2012
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A Product Line of
Diodes Incorporated
DMP31D0U
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 0.2 0.4 0.6 0.8 1.0
-I , DRAIN SOURCE CURRENT (A)
Fig. 5 Typical On-Resistance vs.
Drain Current and Gate Voltage
D
R
,D
R
AI
N-
S
O
U
R
CE
O
N-
R
E
S
IST
A
NCE (
)
DS
(O
N)
Ω
-V , GATE SOURCE VOLTAGE(V)
Gate Voltage
GS
Fig. 6 Typical On-Resistance vs.
Drain Current and
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 2 4 6 8
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
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 0.2 0.4 0.6 0.8 1.0
-I , DRAIN SOURCE CURRENT (A)
Fig. 7 Typical On-Resistance vs.
Drain Current and Temperature
D
R
, D
R
AI
N-
S
O
U
R
CE
O
N-
R
ESI
ST
ANCE(
)
DS
(O
N
)
Ω
T = -55 C
A
°
T = 25 C
A
°
T = 85 C
A
°
T = 125 C
A
°
T = 150 C
A
°
V = -4.5V
GS
0.5
0.7
0.9
1.1
1.3
1.5
1.7
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE ( C)
J
°
Fig. 8 On-Resistance Variation with Temperature
R
, D
R
AI
N
-S
O
U
R
C
E
ON-
RE
S
IST
A
NCE (
NORM
A
L
IZ
E
D)
DS
(O
N)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE ( C)
J
°
Fig. 9 On-Resistance Variation with Temperature
R
, D
R
AI
N
-S
O
U
R
C
E
O
N
-R
ES
IS
T
A
N
C
E (
)
D
S
(on)
Ω
V = -4.5V
I = A
GS
D
-500m
V = 5V
I = A
GS
D
-2.
-250m
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
Fig. 10 Gate Threshold Variation vs. Ambient Temperature
A
V,
G
A
T
E
T
H
R
ES
H
O
LD
V
O
L
T
A
G
E(
V
)
GS
(T
H
)