Diodes DMC3021LK4 User Manual
Page 4
DMC3021LK4
Document number: DS35082 Rev. 5 - 2
4 of 10
April 2014
© Diodes Incorporated
DMC3021LK4
NEW PROD
UC
T
0
0.01
0.02
0.03
0.04
0.05
0
5
10
15
20
25
30
I , DRAIN-SOURCE CURRENT (A)
D
Fig. 3 Typical On-Resistance vs.
Drain Current and Gate Voltage
R
, DRAIN-
S
OURCE
ON-
R
E
S
IST
A
NCE(
)
DS
(O
N)
Ω
V
= 10V
GS
V
= 4.5V
GS
0
0.01
0.02
0.03
0.04
0.05
0
2
4
6
8
10
12 14
16 18 20
I , DRAIN CURRENT (A)
D
Fig. 4 Typical On-Resistance vs.
Drain Current and Temperature
T =
A
-55°C
T =
A
25°C
T =
A
85°C
T = 125°C
A
T =
A
150°C
V
= 4.5V
GS
R
, D
R
AI
N-
S
O
U
R
C
E
O
N-
R
ES
IS
TAN
C
E (
)
DS(
O
N
)
Ω
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. 5 On-Resistance Variation with Temperature
R
, DRAIN-
S
OURC
E
O
N
-R
ESI
ST
ANCE (
N
or
m
a
liz
e
d)
DS
(O
N)
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D
T , JUNCTION TEMPERATURE ( C)
J
°
Fig. 6 On-Resistance Variation with Temperature
R
, D
R
AI
N
-S
O
U
R
C
E
O
N
-R
ESI
S
TA
N
C
E (
)
DS
(O
N)
Ω
0
0.01
0.02
0.03
0.04
0.05
-50
-25
0
25
50
75
100
125 150
V
= 4.5V
I = 5A
GS
D
V
= 10V
I = 10A
GS
D
T , JUNCTION TEMPERATURE ( C)
J
°
Fig. 7 On-Resistance Variation with Temperature
-50
-25
0
25
50
75
100
125 150
0.5
1
1.5
2
2.5
V
, G
A
TE
T
H
RESHO
L
D VO
LT
A
G
E
(
V
)
GS
(t
h
)
I = 250µA
D
I = 1mA
D
0
2
4
6
8
10
12
14
16
18
20
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2
V , SOURCE-DRAIN VOLTAGE (V)
SD
Fig. 8 Diode Forward Voltage vs. Current
I
, S
O
UR
CE CU
RRENT
(
A
)
S
T = 25°C
A