Thermal characteristics, Dmp21d0ufd, A product line of diodes incorporated – Diodes DMP21D0UFD User Manual
Page 3
DMP21D0UFD
Datasheet Number: DS35364
Rev. 4 - 2
3 of 8
March 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
DMP21D0UFD
Thermal Characteristics
0
1
2
3
4
5
6
7
8
9
10
0.0001 0.001
0.01
0.1
1
10
100
1000
t1, PULSE DURATION TIME (sec)
Fig. 1 Single Pulse Maximum Power Dissipation
Single Pulse
R
= 136 C/W
θJA
°
R
(t) = R
*r(t)
T - T = P*R
θ
θ
θ
JA
JA
J
A
JA
P(
p
k
),
PEA
K
TRANS
IENT P
O
W
E
R
(W
)
0.1
1
10
100
-V
, DRAIN-SOURCE VOLTAGE (V)
DS
Fig. 2 SOA, Safe Operation Area
0.01
0.1
1
10
I
, DRA
IN CURRENT
(
A
)
D
0.001
-I
(A
) @
P
=1
0s
D
W
-I
(A
) @
D
C
D
-I
(A
) @
P
=1
s
D
W
-I
(A
) @
P
=1
00
ms
D
W
-I
(A
) @
P
=1
0m
s
D
W
T
= 150 C
T = 25 C
Single Pulse
J(MAX)
A
°
°
R
Limited
DS(ON)
-I (A) @P =1ms
D
W
-I (A) @
P =10µs
D
W
-I
(A
) @
P
=1
00
µs
D
W
0.001
0.01
0.1
1
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1,000
t1, PULSE DURATION TIMES (sec)
Fig. 3 Transient Thermal Resistance
r(
t)
, TRANS
IENT
THERM
A
L
RESI
ST
ANCE
0.000001
D = 0.9
D = 0.7
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
θJA
R
= 54°C/W
Duty Cycle, D = t1/ t2
θ
θ
JA
JA