Diodes DMC2020USD - Manual (Page 5)

DMC2020USD
Document number: DS32121 Rev. 4 - 2
5 of 11
www.diodes.com
February 2011
© Diodes Incorporated
DMC2020USD
A Product Line of
Diodes Incorporated
0
0.01
0.02
0.03
0.04
0 5 10 15 20 25 30
Fig. 3 Typical On-Resistance
vs. Drain Current and Gate Voltage
I , DRAIN-SOURCE CURRENT (A)
D
R
, DRAIN-
S
OURCE ON-
RE
S
IS
T
A
NCE (
)
DS(
O
N)
Ω
V = 4.5V
GS
V = 2.5V
GS
0 5 10 15 20
I , DRAIN CURRENT (A)
Fig. 4 Typical Drain-Source On-Resistance
vs. Drain Current and Temperature
D
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
T
A
N
C
E (
)
DS
(O
N)
Ω
V = 4.5V
GS
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
0.6
0.8
1.0
1.2
1.4
1.6
Fig. 5 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE (°C)
J
R
, DRAIN-
S
OURCE
O
N
-R
ESI
ST
ANCE (
N
O
R
M
A
L
IZED)
DS
(O
N)
V = 2.5V
I = 5A
GS
D
V = 4.5V
I = 10A
GS
D
Fig. 6 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE (°C)
J
0
0.01
0.02
0.03
0.04
R
, D
R
AI
N
-S
O
U
R
C
E
O
N-
R
ES
IS
T
AN
C
E (
)
DS
(O
N)
Ω
V = 4.5V
I = 10A
GS
D
V = 2.5V
I = 5A
GS
D
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Fig. 7 Gate Threshold Variation vs. Ambient Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
V
, G
A
T
E
T
HRESH
O
L
D V
O
L
T
AG
E (
V
)
GS
(T
H
)
I = 1mA
D
I = 250µA
D
0
5
10
15
20
25
30
0 0.2 0.4 0.6 0.8 1.0 1.2
V , SOURCE-DRAIN VOLTAGE (V)
SD
Fig. 8 Diode Forward Voltage vs. Current
I,
S
O
U
R
C
E
C
U
R
R
E
N
T
(A
)
S
T = 25°C
A