Dmg7430lfg – Diodes DMG7430LFG User Manual
Page 5
DMG7430LFG
Document number: DS35497 Rev. 5 - 2
5 of 7
February 2012
© Diodes Incorporated
DMG7430LFG
ADVAN
CE I
N
F
O
RM
ATI
O
N
POWERDI is a registered trademark of Diodes Incorporated
0
0.01
0.02
0.03
-50
-25
0
25
50
75
100
125
150
T , JUNCTION TEMPERATURE ( C)
Fig. 10 On-Resistance Variation with Temperature
J
°
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
=
V
I = 20A
GS
D
10
0
0.5
1.0
1.5
2.0
2.5
-50
-25
0
25
50
75
100
125
150
T , JUNCTION TEMPERATURE ( C)
Fig. 11 Gate Threshold Variation vs. Ambient Temperature
J
°
V,
G
A
T
E
T
H
R
ES
H
O
LD
V
O
L
T
A
G
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.12 Diode Forward Voltage vs. Current
I,
S
O
U
R
C
E
C
U
R
R
E
N
T
(V
)
S
T = 25°C
A
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
0
5
10
15
20
25
30
C
, J
U
N
C
T
IO
N
C
A
P
A
C
IT
A
N
C
E (
p
F
)
T
V
, DRAIN-SOURCE VOLTAGE (V)
DS
Fig. 13 Typical Junction Capacitance
C
iss
C
oss
C
rss
f = 1MHz
0
10
20
30
40
50
60
70
80
90 100
V
, DRAIN-SOURCE VOLTAGE (V)
DS
Fig. 14 Typical Drain-Source Leakage Current vs. Voltage
1
10
100
1,000
10,000
I,
D
R
AI
N L
EAKA
G
E
C
U
R
R
EN
T
(n
A
)
DS
S
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
0
1
2
3
4
5
6
7
8
9
10
0
5
10
15
20
25
30
V
G
A
T
E
T
H
R
ES
H
O
LD
V
O
L
T
A
G
E (
V
)
GS
Q
(nC)
g
, TOTAL GATE CHARGE
Fig. 15 Gate Charge
V
= 15V
I =
A
DS
D
12