Thermal characteristics, Safe operating area, Derating curve – Diodes DMN4030LK3 User Manual
Page 3: Transient thermal impedance, Pulse power dissipation
DMN4030LK3
Document Number DS32008 Rev. 3 - 2
3 of 8
March 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
DMN4030LK3
Thermal Characteristics
100µ
1m
10m 100m
1
10
100
1k
0
10
20
30
40
50
60
100m
1
10
100m
1
10
100m
1
10
100m
1
10
T
amb
=25°C
25mm x 25mm
1oz FR4
R
DS(on)
Limited
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
I
D
Drai
n
Curre
nt
(A
)
V
DS
Drain-Source Voltage (V)
0
20
40
60
80
100 120 140 160
0
1
2
3
4
50mm x 50mm
2oz FR4
25mm x 25mm
1oz FR4
Derating Curve
Temperature (°C)
M
a
x
P
o
we
r Di
ss
ipat
ion
(W)
100µ
1m
10m 100m
1
10
100
1k
0
5
10
15
20
25
30
35
T
amb
=25°C
25mm x 25mm
1oz FR4
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
e
rm
a
l Re
si
st
a
n
ce
(°
C/
W)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
25mm x 25mm
1oz FR4
50mm x 50mm
2oz FR4
Safe Operating Area
Single Pulse
T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
M
a
x
P
o
we
r Di
ss
ipat
ion
(W)
D=0.1
D=0.05
Single Pulse
D=0.2
D=0.5
T
amb
=25°C
50mm x 50mm
2oz FR4
Transient Thermal Impedance
Pulse Width (s)
T
herm
a
l
Res
ist
anc
e
(°
C/
W)
T
amb
=25°C
50mm x 50mm
2oz FR4
100µs
1ms
10ms
100ms
1s
DC
R
DS(on)
Limited
V
DS
Drain-Source Voltage (V)
I
D
Drai
n Cu
rrent
(A
)