Dmp3028lfde – Diodes DMP3028LFDE User Manual
Page 4
DMP3028LFDE
Document number: DS35965 Rev. 5 - 2
4 of 6
March 2013
© Diodes Incorporated
DMP3028LFDE
ADVAN
CE I
N
F
O
RM
ATI
O
N
0.01
0.02
0.03
0.04
0.05
0
-50 -25
0
25
50
75
100 125
150
T , JUNCTION TEMPERATURE ( C)
J
Figure 7 On-Resistance Variation with Temperature
R
, D
R
AI
N
-S
O
U
R
C
E
O
N-
R
ES
IS
TAN
C
E (
)
D
S
(on)
V
= -10V
I =
A
GS
D
-10
V
= 5.0V
I =
A
GS
D
-
-5.0
-50 -25
0
25
50
75
100
125 150
T , AMBIENT TEMPERATURE (°C)
Figure 8 Gate Threshold Variation vs. Ambient Temperature
A
0.5
1.0
1.5
2.0
2.5
3.0
V,
G
A
T
E
T
H
R
ES
H
O
LD
V
O
LT
A
G
E (
V
)
GS
(T
H
)
0
-I = 1mA
D
-I = 250µA
D
0
0.2
0.4
0.6
0.8
1.0
1.2
10
15
20
-I
, S
O
U
R
C
E
C
U
R
R
EN
T
(A
)
S
0
5
-V , SOURCE-DRAIN VOLTAGE (V)
Figure 9 Diode Forward Voltage vs. Current
SD
T = 25 C
A
T = -55 C
A
T = 85 C
A
T = 125 C
A
T = 150 C
A
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1,000
t1, PULSE DURATION TIMES (sec)
Figure 10 Transient Thermal Resistance
0.001
0.01
0.1
r(t
),
T
R
ANS
IEN
T
T
H
E
R
MA
L
R
ES
IS
TAN
C
E
1
D = 0.7
D = 0.9
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
Single Pulse
R
(t) = r(t) * R
R
= 165°C/W
Duty Cycle, D = t1/ t2
JA
JA
JA