U2010B(2000) 데이터 시트보기 (PDF) - Atmel Corporation
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U2010B Datasheet PDF : 13 Pages
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U2010B
250
200 33 nF
6.8 nF
10 nF 4.7 nF 3.3 nF
150
2.2 nF
100
Cö/ t = 1.5 nF
50
0
0
120
100
80
60
40
20
0
0
200 400 600 800 1000
Rö (R8) ( kW )
Figure 5. Ramp control
VGT=–1.2V
200 400 600 800 1000
RGT ( W )
Figure 6. Pulse output
400
Dtp/DCö=9ms/nF
300
200
100
0
0
10
20
30
Cö = ( nF )
Figure 7. Output pulse width
8 (13)
50
VS=–13V
40 V6=V8
30
Reference Point Pin 8
20
10
0
0
2.5
5.0
7.5
10
V7 ( V )
Figure 8. Soft-start charge current
12
10
1mF
Reference Point Pin 8
8
2.2mF 4.7mF
6
Cö=10mF
4
2
0
0
2
VS=–13V
V6=V8
4
6
t(s)
8
10
Figure 9. Soft-start characteristic
0
40
80
120
160
Pins 1 and 2 open
Vs=–13V
200
–2 –1
Reference Point
Pin 10
0
1
2
I15 ( mA )
Figure 10. Mains voltage compensation
Rev. A4, 23-Nov-00
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