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NDS9400A Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. NDS9400A
Description  Single P-Channel Enhancement Mode Field Effect Transistor
Download  10 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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NDS9400A Datasheet(HTML) 6 Page - Fairchild Semiconductor

 
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NDS9400A.SAM
Typical Thermal Characteristics
0
0.2
0.4
0.6
0.8
1
0.5
1
1.5
2
2.5
2oz COPPER MOUNTING PAD AREA (in )2
1c
1b
1a
4.5"x5" FR-4 Board
T
= 25 C
Still Air
A
o
Figure 12. SO-8 Dual Package Maximum
Steady-State Power Dissipation versus
Copper Mounting Pad Area.
0
0.2
0.4
0.6
0.8
1
1
2
3
4
5
2oz COPPER MOUNTING PAD AREA (in )
2
1c
1b
1a
4.5"x5" FR-4 Board
T
= 25 C
Still Air
V
= -10V
A
o
GS
Figure 13. Maximum Steady- State Drain
Current versus Copper Mounting Pad
Area.
0.1
0.2
0.5
1
2
5
10
30
50
0.01
0.03
0.1
0.3
1
3
10
30
- V
, DRAIN-SOURCE VOLTAGE (V)
DS
RDS(ON)
LIMIT
1s
100ms
10s
DC
10ms
1ms
100us
V
= -10V
SINGLE PULSE
R
= See Note 1c
T
= 25°C
GS
A
θJA
Figure 14. Maximum Safe Operating Area.
Figure 15. Transient Thermal Response Curve
.
Note: Thermal characterization performed using the conditions described in note 1c. Transient thermal response will change
depending on the circuit board design.
0 .0001
0 .001
0 .01
0 .1
1
10
100
300
0 .001
0 .002
0 .005
0 .01
0 .02
0 .05
0 .1
0 .2
0 .5
1
t , TIME (sec)
1
Single Pulse
D = 0.5
0.1
0.05
0.02
0.01
0.2
Duty Cycle, D = t
/ t
1
2
R
(t) = r(t) * R
R
= See Note 1c
θJA
θJA
θJA
T - T
= P * R
(t)
θJA
A
J
P(pk)
t1
t 2


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