Diodes DMN3051LDM - Manual (Page 3)

DMN3051LDM
Document number: DS31523 Rev. 3 - 2
3 of 5
www.diodes.com
November 2009
© Diodes Incorporated
DMN3051LDM
Fig. 3 Typical On-Resistance
vs. Drain Current and Gate Voltage
I , DRAIN CURRENT (A)
D
R
,
DRAIN-
S
OURCE ON-
R
E
S
IS
T
A
NCE (
)
DS
(O
N)
Ω
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0 1 2 3 4 5 6
V = 10V
GS
V = 4.5V
GS
I , DRAIN CURRENT (A)
Fig. 4 Typical Drain-Source On-Resistance
vs. Drain Current and Temperature
D
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
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0 1 2 3 4 5 6
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
Fig. 5 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE (°C)
J
R
, D
R
AIN-
T
O
-S
OURC
E
RESI
ST
ANCE (
N
O
R
M
A
L
IZ
E
D)
DS
(O
N)
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
V = 4.5V
I = 5A
GS
D
V = 10V
I = 5.8A
GS
D
C, CAP
A
CIT
A
NC
E
(p
F
)
Fig. 6 Typical Capacitance
V , DRAIN-SOURCE VOLTAGE (V)
DS
0 5 10 15 20 25 30
C
iss
C
oss
C
rss
V
,
G
A
TE
T
H
R
E
SH
O
L
D
VO
L
T
AG
E
(
V
)
GS
(T
H
)
Fig. 7 Gate Threshold Variation vs. Ambient Temperature
T , AMBIENT TEMPERATURE (°C)
A
0
0.5
1
1.5
2
2.5
3
-50 -25 0 25 50 75 100 125 150
I = 250µA
D
V , SOURCE-DRAIN VOLTAGE (V)
SD
I,
S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
S
Fig. 8 Diode Forward Voltage vs. Current
0.0001
0.001
0.01
0.1
1
10
0.1 0.3 0.5 0.7 0.9 1.1
T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A