3055L Просмотр технического описания (PDF) - Intersil
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3055L Datasheet PDF : 10 Pages
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RFT3055LE
Typical Performance Curves Unless otherwise specified
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (oC)
FIGURE 1. NORMALIZED POWER DISSIPATION vs AMBIENT
TEMPERATURE
2.5
RθJA = 110oC/W
2.0
1.5
1.0
0.5
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (oC)
FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs
AMBIENT TEMPERATURE
2
DUTY CYCLE - DESCENDING ORDER
1
0.5
0.2
0.1
0.05
0.02
0.01
RθJA = 110oC/W
0.1
PDM
0.01
10-3
SINGLE PULSE
10-2
NOTES:
t1
t2
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZθJA x RθJA + TA
10-1
100
101
102
103
t, RECTANGULAR PULSE DURATION (s)
FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE
100
TJ
TA
=
=
MAX RATED
25oC
10
100µs
1
0.1
RθJA = 110oC/W
OPERATION IN THIS
AREA MAY BE
LIMITED BY rDS(ON)
0.01
0.1
1
10
VDS, DRAIN TO SOURCE VOLTAGE (V)
1ms
10ms
100ms
DC
100 200
FIGURE 4. FORWARD BIAS SAFE OPERATING AREA
8-145
30
TA = 25oC
FOR TEMPERATURES
ABOVE 25oC DERATE PEAK
CURRENT AS FOLLOWS:
I = I25
150 - TA
10
125
RθJA = 110oC/W
VGS = 5V
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
1
10-3
10-2
10-1
100
101
102
103
t, PULSE WIDTH (s)
FIGURE 5. PEAK CURRENT CAPABILITY
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