FDC6323L Просмотр технического описания (PDF) - Fairchild Semiconductor
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FDC6323L Datasheet PDF : 10 Pages
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Typical Electrical Characteristics (TA = 25 OC unless otherwise noted )
50
40
30
20
10
0
0
Vin = 5V
IL = 1A
Von/off = 3.3V
R1 = 20KΩ
Ci = 10µ F
Co = 1 µ F
2
4
6
R2 (KΩ )
td(off)
tf
tr
td(on)
8
10
Figure 6. Switching Variation with
R2 at Vin=5V and R1=20KOhm.
50
Vin = 3.3V
IL = 1A
40
Von/off = 3.3V
R1 = 20KΩ
Ci = 10 µ F
30
Co = 1 µ F
td(off)
20
tf
10
tr
td(on)
0
0
2
4
6
8
10
R2 (KΩ )
Figure 7. Switching Variation with R2
at Vin=3.3V and R1=20KOhm.
50
Vin = 2.5V
IL = 1A
40
Von/off = 3.3V
R1 = 20KΩ
Ci = 10 µ F
Co = 1µ F
30
20
10
0
0
2
4
6
R2 (KΩ )
tr
tf
td(off)
td(on)
8
10
Figure 8. Switching Variation with R2
at Vin=2.5V and R1=20KOhm.
500
IL = 1A
Von/off = 3.3V
400 R1 = 20KΩ
Ci = 10 µF
Co = 1µ F
300
200
Vin = 2.5V
3.3V
5V
100
0
0
20
40
60
80
100
R2 (KΩ )
Figure 10. Vdrop Variation with Vin and R2.
250
Vin = 5V
200
150
100
50
0
0
3.3V
2.5V
2
4
6
R2 (KΩ )
IL = 1A
Von/off = 3.3V
R1 = 20KΩ
Ci = 10 µF
Co = 1µ F
8
10
Figure 9. % of Current Overshoot
Variation with Vin and R2.
t d(on)
ton
tr
90%
td(off)
toff
tf
90%
VOUT
VIN
10%
10%
50%
10%
90%
INVERTED
50%
PULSE W IDTH
Figure 11. Switching Waveforms.
FDC6323L Rev.F
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