IRFS840A Просмотр технического описания (PDF) - Fairchild Semiconductor
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IRFS840A Datasheet PDF : 7 Pages
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IRFS840A
N-CHANNEL
POWER MOSFET
Fig 7. Breakdown Voltage vs. Temperature
1.2
1.1
1.0
0.9
@ Notes :
1. VGS = 0 V
2. ID = 250µA
0.8
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Junction Temperature [oC]
Fig 8. On-Resistance vs. Temperature
3.0
2.5
2.0
1.5
1.0
@ Notes :
0.5
1. VGS = 10 V
2. I = 4.0 A
D
0.0
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Junction Temperature [oC]
102
101
100
10-1
10-2
100
Fig 9. Max. Safe Operating Area
Operation in This Area
is Limited by RDS(on)
100 µs
1 ms
10 ms
100 ms
DC
10 µs
@ Notes :
1. TC = 25 oC
2. TJ = 150 oC
3. Single Pulse
101
102
103
VDS , Drain-Source Voltage [V]
Fig 10. Max. Drain Current vs. Case Temperature
5
4
3
2
1
0
25
50
75
100
125
150
Tc , Case Temperature [oC]
Fig 11. Thermal Response
D=0.5
100
0.2
0.1
10- 1
0.05
0.02
0.01
10- 2
10- 5
@ Notes :
1. Zθ J C(t)=2.86 o C/W Max.
2. Duty Factor, D=1t/t2
3. TJ M-TC =PD M*Zθ J C(t)
single pulse
PDM
t1
t2
10- 4
10- 3
10- 2
10- 1
100
101
t1 , Square Wave Pulse Duration [sec]
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