Dmc4050ssd, Thermal characteristics, N-channel safe operating area – Diodes DMC4050SSD User Manual
Page 3: Derating curve, Transient thermal impedance, Pulse power dissipation, P-channel safe operating area

DMC4050SSD
Document number: DS33310 Rev. 2 - 2
3 of 11
March 2011
© Diodes Incorporated
DMC4050SSD
A Product Line of
Diodes Incorporated
Thermal Characteristics
0.1
1
10
10m
100m
1
10
0
25
50
75
100
125
150
0.0
0.5
1.0
1.5
2.0
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
100
100µ
1m
10m 100m
1
10
100
1k
1
10
100
0.1
1
10
10m
100m
1
10
R(theta junction-to-ambient), R
θ
JA
One active die
100us
100ms
1s
R
DS(ON)
Limited
1ms
N-channel Safe Operating Area
Single Pulse
T
amb
= 25°C
One active die
DC
10ms
I
D
Dr
ai
n Cur
rent
(
A
)
V
DS
Drain-Source Voltage (V)
One active die
Two active die
Derating Curve
M
a
x
P
o
wer
Di
s
s
ipat
ion
(W)
Temperature (°C)
D=0.2
D=0.5
D=0.1
Transient Thermal Impedance
Single Pulse
D=0.05
Therm
a
l R
e
si
stanc
e
(°
C
/W
)
Pulse Width (s)
Single Pulse
T
amb
= 25°C
One active die
Pulse Power Dissipation
Ma
x
imu
m Po
w
e
r
(W
)
Pulse Width (s)
Single Pulse
T
amb
= 25°C
One active die
1s
DC
100us
1ms
10ms
100ms
R
DS(ON)
Limited
P-channel Safe Operating Area
-V
DS
Drain-Source Voltage (V)
-I
D
Dr
ai
n C
urr
ent
(
A
)