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FDQ7238AS Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part # FDQ7238AS
Description  Dual Notebook Power Supply N-Channel PowerTrench in SO-14 Package
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FDQ7238AS Datasheet(HTML) 5 Page - Fairchild Semiconductor

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FDQ7238AS Rev A1 (X)
Typical Characteristics : Q2
0
2
4
6
8
10
0
5
10
15
20
25
30
Qg, GATE CHARGE (nC)
ID = 14A
VDS = 10V
20V
15V
0
500
1000
1500
2000
2500
0
5
10
15
20
25
30
VDS, DRAIN TO SOURCE VOLTAGE (V)
Ciss
Crss
Coss
f = 1MHz
VGS = 0 V
Figure 7. Gate Charge Characteristics.
Figure 8. Capacitance Characteristics.
0.01
0.1
1
10
100
0.01
0.1
1
10
100
VDS, DRAIN-SOURCE VOLTAGE (V)
DC
10s
1s
100ms
RDS(ON) LIMIT
VGS = 10V
SINGLE PULSE
RθJA = 94
oC/W
TA = 25
oC
10ms
1ms
100µs
0
10
20
30
40
50
0.001
0.01
0.1
1
10
100
1000
t1, TIME (sec)
SINGLE PULSE
RθJA = 94°C/W
TA = 25°C
Figure 9. Maximum Safe Operating Area.
Figure 10. Single Pulse Maximum
Power Dissipation.
0.001
0.01
0.1
1
0.0001
0.001
0.01
0.1
1
10
100
1000
t1, TIME (sec)
RθJA(t) = r(t) * RθJA
RθJA = 94°C/W
TJ - TA = P * RθJA(t)
Duty Cycle, D = t1 / t2
P(pk)
t1
t2
SINGLE PULSE
0.01
0.02
0.05
0.1
0.2
D = 0.5
Figure 11. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1d.
Transient thermal response will change depending on the circuit board design


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