NE5560NB 查看數據表（PDF） - Philips Electronics
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NE5560NB Datasheet PDF : 16 Pages
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Philips Semiconductors
Switched-mode power supply control circuit
Product specification
NE/SE5560
MAXIMUM PIN VOLTAGES
NE5560
Pin No
Function
Maximum Voltage
1
VCC
2
VZ
3
Feedback
4
Gain
See Note 1
Do not force (8.4V)
VZ
5
Modulator
6
Duty Cycle Control
7
RT
8
CT
9
External Sync
10
Remote On/Off
11
Current Limiting
12
GND
VZ
VZ
Current force mode
VZ
VZ
VCC
GND
13
Demagnetization/Overvoltage
VCC
14
Output (Emit)
VZ
15
Output (Collector)
VCC+2VBE
16
Feed-forward
VCC
NOTES:
1. When voltage-forced, maximum is 18V; when current-fed, maximum is 30mA. See voltage-/current-fed supply characteristic curve.
TYPICAL PERFORMANCE CHARACTERISTICS
Open-Loop Gain
60
50
Error Amplifier
Open-Loop Phase
0
–30
40
–60
30
–90
20
–120
10
–150
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
–180
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 3. Typical Performance Characteristics
10M
SL00362
1994 Aug 31
5
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