Dmn3112sss – Diodes DMN3112SSS User Manual
Page 3
DMN3112SSS
Document number: DS31582 Rev. 2 - 2
3 of 5
October 2013
© Diodes Incorporated
DMN3112SSS
0.01
0.1
1
0
4
8
12
16
20
Fig. 3 Typical On-Resistance
vs. Drain Current and Gate Voltage
I , DRAIN-SOURCE CURRENT (A)
D
R
,
DRAIN-
S
OURCE ON-
R
E
S
IST
A
N
C
E (
)
DS
(O
N)
V
= 4.5V
GS
V
= 10V
GS
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
0.32
0
2
4
6
8
10
I , DRAIN CURRENT (A)
D
Fig. 4 Typical On-Resistance
vs. Drain Current and Temperature
R
,
D
R
AI
N-
S
O
U
R
C
E
O
N-
R
ESI
S
TAN
C
E (
)
DS
(O
N
)
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
V
= 4.5V
GS
Fig. 5 On-Resistance Variation with Temperature
0.6
0.8
1.0
1.2
1.4
1.6
-50 -25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
R
, D
R
AI
N-
SOURCE
ON-RE
S
IS
TANCE
(
N
ORM
A
LI
Z
E
D)
DS
O
N
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D
Fig. 6 On-Resistance Variation with Temperature
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
-50 -25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
R
,
DRAIN-
S
O
U
RCE ON-
R
ES
IST
A
NCE
(
)
DS
O
N
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D
Fig. 7 Gate Threshold Variation vs. Ambient Temperature
-50 -25
0
25
50
75
100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0
0.4
0.8
1.2
1.6
2.0
2.4
V,
G
A
T
E
T
H
R
ES
H
O
LD
V
O
LT
A
G
E (
V
)
GS
(T
H
)
I = 250µA
D
I = 1mA
D
0
2
4
6
8
10
I,
S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
S
Fig. 8 Diode Forward Voltage vs. Current
0
0.2
0.4
0.6
0.8
1
1.2
V , SOURCE-DRAIN VOLTAGE (V)
SD
T = 25°C
A