IRF420 Ver la hoja de datos (PDF) - Intersil
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IRF420 Datasheet PDF : 7 Pages
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IRF420, IRF421, IRF422, IRF423
Typical Performance Curves TC = 25oC Unless Otherwise Specified
1.2
1.0
0.8
0.6
0.4
0.2
0
0
50
100
150
TC, CASE TEMPERATURE (oC)
FIGURE 1. NORMALIZED POWER DISSIPATION vs CASE
TEMPERATURE
2.5
2.0
IRF420, IRF421
1.5
IRF422, IRF423
1.0
0.5
0
25
50
75
100
125
150
TC, CASE TEMPERATURE (oC)
FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs
CASE TEMPERATURE
10
0.5
1
0.2
0.1
0.05
0.1 0.02
0.01
SINGLE PULSE
0.01
10-5
10-4
10-3
10-2
0.1
t1, RECTANGULAR PULSE DURATION (s)
FIGURE 3. MAXIMUM TRANSIENT THERMAL IMPEDANCE
PDM
t1
t2
NOTES:
DUTY FACTOR: D = t1/t2
TJ = PDM x ZθJC + TC
1
10
10 IRF420/1
IRF422/3
10µs
IRF420/1
IRF422/3
100µs
1
OPERATION IN THIS
AREA IS LIMITED
BY rDS(ON)
TC = 25oC
TJ = MAX RATED
0.1 SINGLE PULSE
IRF420/2
IRF421/3
1
10
102
1ms
10ms
DC
103
VDS , DRAIN TO SOURCE VOLTAGE (V)
FIGURE 4. FORWARD BIAS SAFE OPERATING AREA
5
VGS = 10V
4
80µs PULSE TEST
VGS = 6V
3
VGS = 5.5V
2
1
VGS = 5V
VGS = 4V
VGS = 4.5V
0
0
50
100
150
200
250
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 5. OUTPUT CHARACTERISTICS
5-4
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