RF1K49090 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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RF1K49090
Fairchild Semiconductor
RF1K49090 Datasheet PDF : 8 Pages
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RF1K49090
Typical Performance Curves (Continued)
20
10
STARTING TJ = 25oC
STARTING TJ = 150oC
If R = 0
tAV = (L)(IAS)/(1.3*RATED BVDSS - VDD)
If R ≠ 0
tAV = (L/R) ln [(IAS*R)/(1.3*RATED BVDSS - VDD) +1]
1
0.1
1
10
100
tAV, TIME IN AVALANCHE (ms)
NOTE: Refer to Fairchild Application Notes AN9321 and AN9322.
FIGURE 6. UNCLAMPED INDUCTIVE SWITCHING CAPABILITY
25
VGS = 10V
VGS = 5V
20
VGS = 4.5V
VGS = 4V
15
10
5
0
0
VGS = 3V
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
TA = 25oC
1
2
3
4
5
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 7. SATURATION CHARACTERISTICS
25
250
25oC
VDD = 6V
PULSE DURATION = 80µs
-55oC
150oC
20
ID = 7.0A
200
DUTY CYCLE = 0.5% MAX
VDD = 10V
15
10
5
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
0
0
1.5
3.0
4.5
6.0
7.5
VGS, GATE TO SOURCE VOLTAGE (V)
FIGURE 8. TRANSFER CHARACTERISTICS
150
ID = 3.5A
ID = 1.75A
100
ID = 0.5A
50
0
2.5
3.0
3.5
4.0
4.5
5.0
VGS, GATE TO SOURCE VOLTAGE (V)
FIGURE 9. DRAIN TO SOURCE ON RESISTANCE vs GATE
VOLTAGE AND DRAIN CURRENT
140
VDD = 6V, ID = 3.5A, RL = 1.71Ω
120
tr
100
tD(OFF)
80
tf
60
40
tD(ON)
20
0
10
20
30
40
50
RGS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 10. SWITCHING TIME vs GATE RESISTANCE
2.0
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
VGS = 5V, ID = 3.5A
1.5
1.0
0.5
0
-80
-40
0
40
80
120
160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 11. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
©2002 Fairchild Semiconductor Corporation
RF1K49090 Rev. B
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