Diodes DMC4050SSD - Manual (Page 8)

DMC4050SSD
Document number: DS33310 Rev. 2 - 2
8 of 11
www.diodes.com
March 2011
© Diodes Incorporated
DMC4050SSD
A Product Line of
Diodes Incorporated
0 5 10 15 20 25 30
Fig. 15 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
T
AN
C
E (
)
DS(
O
N)
Ω
V = -4.5V
GS
V = -10V
GS
0 5 10 15 20 25 30
-I , DRAIN CURRENT (A)
D
Fig. 16 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
ES
IS
T
AN
C
E (
)
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 = -10V
GS
Fig. 17 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
T
A
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
Fig. 18 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
T
AN
C
E (
)
DS
O
N
Ω
V = -10V
I = -20A
GS
D
V = -4.5V
I = -10A
GS
D
0
0.5
1.0
1.5
2.0
Fig. 19 Gate Threshold Variation vs. Ambient Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
-V
, G
A
TE
T
HRESHO
L
D V
O
L
T
AG
E
(
V
)
GS
(T
H
)
I = -250µA
D
I = -1mA
D
0.2 0.4 0.6 0.8 1.0 1.2
Fig. 20 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