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
DC AND AC ELECTRICAL CHARACTERISTICS (Continued)
VCC = 12V, specifications apply over temperature, unless otherwise specified.
SYMBOL
PARAMETER
TEST
PINS
TEST CONDITIONS
Reference
VZ
Zener voltage
VZ
Zener voltage
9
IL=7mA,
TA=25°C
9
IL=7mA,
Over temp.
∆VZ/ ∆T Temperature stability
Low supply shutdown
9
IL<1mA
Comparator threshold
voltage
Internal
TA=25°C
Comparator threshold
voltage
Internal
Over temp.
Hysteresis
Internal
Oscillator
fMIN
fMAX
Frequency range,
minimum
Frequency range,
maximum
Initial accuracy
Voltage stability
1, 2,
3, 11
1, 2,
3, 11
1, 2,
3, 11
1, 2, 3,
11, 17
RT=42.7kΩ,
CT=0.47µF
RT=2.87kΩ,
CT=380pF
fO=52kHz,
RT=16kΩ
and CT=0.0015µF,
TA=25°C
10V<VS<18V
Temperature stability
Sawtooth peak voltage
Sawtooth valley voltage
1, 2,
3, 11
2, 3
2, 3
2, 3
2, 3
TA=25°C1
Over temp.
TA=25°C
Over temp.
Sync. in high level
11
Sync. in low level
11
Sync. in bias current
Feed-forward ratio,
maximum
(Sourced),
11
V11<0.8V
1
Feed-forward duty cycle
reduction
1
VFF=2VZ,
TA=25°C
1
Over temp.
Feed-forward reference
voltage
9
Feed-forward bias current
1
SE5562
Min Typ Max
7.35 7.60 7.75
7.25
7.80
50
8.30 8.45 8.75
8.00 8.45 8.90
25
50 8.00
60
80
600
48.6 54 59.4
-215
300 500
5.00 5.25 5.40
4.80 5.25 5.60
1.25 1.70 2.00
1.0
1.7
2.1
2.0
VZ
0.0
0.8
0.50 10.0
2
11 13.5 19
6
13.5 22
VZ
VS
2.5 50.0
NE5562
Min Typ Max
7.35 7.6 7.75
7.20
7.78
50
8.30 8.45 8.75
8.00 8.45 8.90
25
50
800
60
80
600
48.6 54 59.4
-215
300 500
5.00 5.25 5.40
4.80 5.25 5.60
1.25 1.70 2.00
1.25 1.7
2.0
2.0
VZ
0.0
0.8
0.50 10.0
2
11 13.5 19
8
22
VZ
VS
2.5 50.0
UNIT
V
V
ppm/°C
V
V
mV
Hz
kHz
kHz
ppm/V
ppm/°C
V
V
V
V
V
V
µA
%
%
V
µA
1994 Aug 31
4
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