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NE5562 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
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NE5562
Switched-mode power supply control circuit
Philips Electronics
NE5562 Datasheet PDF : 29 Pages
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Philips Semiconductors
Switched-mode power supply control circuit
Product specification
NE/SE5562
SAWTOOTH
+
35
µ
A
35
µ
A
+V
Z
35
µ
A
V
H
(–)
SAWTOOTH
UPPER
THRESHOLD
10
(–)
ERROR
AMP
OUT
4
(–)
MODULATOR
IN
DELTA
5 MAX
(–)
CONTROL
9k
2.5k
PWM SIGNAL
TO OUTPUT
NOR GATE
V
REF
+3.80V
+
8
–
100
µ
A
Figure 15. PWM Comparator
DELAYED CLOCK
+
– PWM
–
S
δ
NOR
R
OUTPUT
LATCH
TO OUTPUT
STAGE
SL00402
10
5
DUTY
CYCLE
CONTROL
SL00403
Figure 16. The Duty Cycle Control Circuit, Pulse Width Modulator, and Error Amplifier, Reference, and Output Latch
1994 Aug 31
11
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