FDD4243_F085 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
MFG CO.
FDD4243_F085 Datasheet PDF : 7 Pages
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Typical Characteristics
1.2
30
CURRENT LIMITED
1.0
BY PACKAGE
0.8
20
VGS = -10V
0.6
0.4
0.2
0.0
0
25 50 75 100 125 150 175
TC, CASE TEMPERATURE(oC)
10
VGS = -4.5V
RθJC = 3oC/W
0
25
50
75 100 125 150 175
TC, CASE TEMPERATURE (oC)
Figure 1. Normalized Power Dissipation vs Case
Temperature
2
1 DUTY CYCLE - DESCENDING ORDER
D = 0.50
0.20
0.10
0.05
0.1
0.02
0.01
Figure 2. Maximum Continuous Drain Current vs
Case Temperature
PDM
t1
0.01
SINGLE PULSE
t2
NOTES:
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZθJA x RθJA + TA
0.001
10-5
10-4
10-3
10-2
10-1
100
101
t, RECTANGULAR PULSE DURATION(s)
Figure 3. Normalized Maximum Transient Thermal Impedance
1000
VGS = 10V
100
TC = 25oC
FOR TEMPERATURES
ABOVE 25oC DERATE PEAK
CURRENT AS FOLLOWS:
I = I25
175 - TC
150
SINGLE PULSE
10
10-5
10-4
10-3
10-2
10-1
100
101
t, RECTANGULAR PULSE DURATION(s)
Figure 4. Peak Current Capability
FDD4243_F085 Rev. C
4
www.fairchildsemi.com
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