Thermal characteristics, Safe operating area, Derating curve – Diodes DMP4051LK3 User Manual
Page 3: Transient thermal impedance, Pulse power dissipation
DMP4051LK3
Document Number DS32114 Rev. 3 - 2
3 of 9
February 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
DMP4051LK3
Thermal Characteristics
100µ
1m
10m 100m
1
10
100
1k
0
10
20
30
40
50
60
0.1
1
10
10m
100m
1
10
100m
1
10
10m
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
Dr
ain C
u
rr
ent
(A
)
-V
DS
Drain-Source Voltage (V)
0
20
40
60
80
100 120 140 160
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
50mm x 50mm
2oz FR4
25mm x 25mm
1oz FR4
Derating Curve
Temperature (°C)
M
ax
P
ow
er Dis
s
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
erm
a
l R
e
s
is
tan
c
e
(°
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
ax
P
ow
er Dis
s
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
h
erm
a
l
R
e
s
is
tanc
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 Current
(A
)