Instruction Manual

DMP21D0UFB
D
atasheet Number: DS35277 Rev. 3 - 2
2 of 7
www.diodes.com
February 2012
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Product Line o
f
Diodes Incorporated
DMP21D0UFB
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
θθ
θ
JA
JA JA
JA JA
P(pk), PEAK TRANSIENT POWER (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
ANSIEN
T
T
H
E
R
MAL
R
ESIS
T
AN
C
E
T - T = P * R (t)
Duty Cycle, D = t /t
JA JA
12
θ
R (t) = r(t) *
θ JA
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