Diodes DMP21D0UFB4 - Manual (Page 2)

DMP21D0UFB4
D atasheet number: DS35279 Rev. 3 - 2
2 of 7
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February 2012
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DMP21D0UFB4
A Product Line of
Diodes Incorporated
Maximum Ratings
@T A = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Drain-Source Voltage V
DSS
-20 V
Gate-Source Voltage V
GSS
±8 V
Continuous Drain Current
Steady
State
T A = 25°C (Note 4)
T
A
= 85°C (Note 4)
T
A
= 25°C (Note 5)
I
D
-0.77
-0.55
-1.17
A
Pulsed Drain Current (Note 6) I
DM
-5.0 A
Thermal Characteristics
@T A = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Power Dissipation (Note 4) P D
0.43 W
Power Dissipation (Note 5) P
D
0.99 W
Thermal Resistance, Junction to Ambient (Note 4) R θJA 293 °C/W
Thermal Resistance, Junction to Ambient (Note 5) R θJA 126 °C/W
Operating and Storage Temperature Range T
J , T
STG
-55 to +150 °C
Thermal Characteristics
0
1
2
3
4
5
6
7
8
9
10
0.0001 0.001 0.01 0.1 1 10 100 1,000
t , PULSE DURATION TIME (SEC)
Fig. 1 Single Pulse Maximum Power Dissipation
1
Single Pulse
R
= 120°C/W
R (t) = r(t) * R
T - T = P * R (t)
θ
θ
θ
θ
JA
JA JA
J A JA
P
(p
k
),
P
EAK TRA
N
SI
E
N
T
PO
W
ER
(
W
)
0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1,000
Fig. 2 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.001
0.01
0.1
1
r(t
),
T
R
ANSI
EN
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E
T - T = P * R (t)
Duty Cycle, D = t /t
J A JA
1 2
θ
R (t) = r(t) * θJA R
R = 120°C/W
θ
θ
JA
JA
P(pk)
t
1
t
2
D = 0.7
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
D = 0.9