NE5562 Просмотр технического описания (PDF) - Philips Electronics
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NE5562 Datasheet PDF : 29 Pages
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Philips Semiconductors
Switched-mode power supply control circuit
Product specification
NE/SE5562
TA = 25°C
PHASE
40
30
20
10
0
100
CLOSED-LOOP GAIN
1k
10k
100k
1M
FREQUENCY
Figure 4. Error Amplifier Closed-Loop Response
0
–30
–60
–90
–120
–150
–180
10M
100
90 VCC = 12V
TA = 25°C
80
70
60
50
40
30
20
10
0
1
2
3
4
5
6
7
8
9
10
PWM INPUT VOLTAGE (V)
Figure 5. Duty Cycle vs PWM Input Voltage
100
90
80
70
60
50
40
30
20
10
0
5
TA = 25°C
6
7
8
9
10
11
12
13
14
15
FEED-FORWARD VOLTAGE (V)
Figure 6. Duty Cycle vs Feed-forward Voltage
SL00391
SL00392
SL00393
1994 Aug 31
7
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