Diodes DMG4468LFG - Manual (Page 3)

DMG4468LFG
Document number: DS31857 Rev. 2 - 2
3 of 6
www.diodes.com
October 2009
© Diodes Incorporated
DMG4468LFG
NEW PROD
UC
T
0
0.004
0.008
0.012
0.016
0.020
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 O
N
-RE
S
IS
T
A
NCE (
)
DS
(O
N)
Ω
V = 4.5V
GS
V = 10V
GS
0
0.01
0.02
0.03
0.04
0.05
0 5 10 15 20 25 30
I , DRAIN CURRENT (A)
D
Fig. 4 Typical On-Resistance
vs. Drain Current and Temperature
R
,
D
R
AI
N
-S
O
U
R
C
E
O
N
-R
ES
IS
T
A
N
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 = 4.5V
GS
0.5
0.7
0.9
1.1
1.3
1.5
1.7
Fig. 5 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
R
, DRAIN-
S
OURCE
ON-
RES
IST
A
NCE
(
NORM
A
L
IZ
E
D)
DS
O
N
V = 4.5V
I = 5.0A
GS
D
V = 10V
I = 10A
GS
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
ESI
S
T
AN
C
E (
)
DS
O
N
Ω
Fig. 6 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
V = 10V
I = 10A
GS
D
V = 4.5V
I = 5.0A
GS
D
0
0.4
0.8
1.2
1.6
2.0
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
TE THRE
SHO
L
D VOL
T
AG
E
(V
)
GS
(T
H
)
I = 1mA
D
I = 250µA
D
0.2 0.4 0.6 0.8 1.0 1.2
Fig. 8 Diode Forward Voltage vs. Current
V , SOURCE-DRAIN VOLTAGE (V)
SD
0
4
8
12
16
20
I,
S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
S
T = 25°C
A