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
5.6V
1.1V
>2V
<0.8V
INHIBIT
‘SET’
SET
VS
RESET
VS
Figure 7. Sawtooth Oscillator Synchronization
60dB
SLOPE
20dB/DECADE
1kHz 10kHz
1MHz
SL00367
Figure 8. Error Amplifier Compensation Open-Loop Gain
3.72V
+
ERROR
AMP
3
–
(+)
START/
STOP
PWM
OUT
RESET
(–)
(–) O.C. (–)
8
4
5
6
Figure 9. Error Amplifier
SL00366
SL00368
1994 Aug 31
9
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