NE5562D Philipss, NE5562D Datasheet - Page 7

• Manufacturer Part Number: NE5562D
• Description: Switched-mode power supply control circuit
• Manufacturer: Philipss

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