Diodes DMP4025LK3 User Manual
Page 5

DMP4025LK3
Document Number:35938 Rev. 3 - 2
5 of 8
www.diodes.com
March 2014
© Diodes Incorporated
ADVAN
CE I
N
F
O
RM
ATI
O
N
DMP4025LK3
0
5
10
15
20
25
30
Figure 6. Typical On-Resistance
vs. Drain Current and Gate Voltage
-I , DRAIN-SOURCE CURRENT (A)
D
0
0.01
0.02
0.03
0.04
0.05
R
, D
R
AI
N
-S
O
U
R
C
E
O
N-
R
ES
IS
TAN
C
E (
)
DS
(O
N)
V
= -4.5V
GS
V
= -10V
GS
0
5
10
15
20
25
30
-I , DRAIN CURRENT (A)
D
Figure 7. Typical On-Resistance
vs. Drain Current and Temperature
0
0.01
0.02
0.03
0.04
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
= -10V
GS
Figure 8. On-Resistance Variation with Temperature
-50 -25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
0.5
0.7
0.9
1.1
1.3
1.5
1.7
R
, D
R
AI
N-
S
O
U
R
C
E
ON
-R
E
S
IS
TA
N
C
E
(N
OR
MA
L
IZ
E
D
)
DS
O
N
V
= -10V
I = -20A
GS
D
V
= -4.5V
I = -10A
GS
D
Figure 9. On-Resistance Variation with Temperature
-50 -25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
A
0
0.01
0.02
0.03
0.04
0.05
0.06
R
, D
R
AI
N
-S
O
U
R
C
E
O
N-
R
ES
IS
TAN
C
E (
)
DS
O
N
V
= -10V
I = -20A
GS
D
V
= -4.5V
I = -10A
GS
D
0
0.5
1.0
1.5
2.0
-50 -25
0
25
50
75
100 125 150
T , AMBIENT TEMPERATURE (°C)
A
Figure 10. Gate Threshold Variation vs. Ambient Temperature
-V
, G
AT
E
T
H
R
ES
H
O
LD
V
O
LTA
G
E (
V
)
GS
(T
H
)
I = -250µA
D
I = -1mA
D
0.2
0.4
0.6
0.8
1.0
1.2
Figure 11. Diode Forward Voltage vs. Current
-V , SOURCE-DRAIN VOLTAGE (V)
SD
0
2
4
6
8
10
12
14
16
18
20
-I
, S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
S
T = 25°C
A