NE5560 데이터 시트보기 (PDF) - Philips Electronics
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NE5560 Datasheet PDF : 16 Pages
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Philips Semiconductors
Switched-mode power supply control circuit
Product specification
NE/SE5560
DC ELECTRICAL CHARACTERISTICS
TA=25°C, VCC=12V, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
Reference sections
VREF
Internal reference voltage
Temperature coefficient of VREF
VZ
Internal Zener reference
Temperature coefficient of VZ
Oscillator section
Frequency range
Initial accuracy oscillator
Duty cycle range
Modulator
Modulation input current
Housekeeping function
IIN‘
Pin 6, input current
25°C
Over temperature
IL=-7mA
Over temperature
R=5kΩ
fO=20kHz
Voltage at Pin 5=2V Over
temperature
At 2V
Over temperature
SE5560
NE5560
Min Typ Max Min Typ Max
3.69 3.72 3.81 3.57 3.72 3.95
3.65
3.85 3.53
4.00
-100
-100
7.8 8.4 8.8 7.8 8.4 8.8
200
200
50
100k 50
100k
5
5
0
98
0
98
0.2 20
0.2 20
0.2 20
0.2 20
UNIT
V
V
ppm/°C
V
ppm/°C
Hz
%
%
µA
µA
Pin 6, duty cycle limit control
For 50% max duty cycle
15kHz to 50kHz/41% of VZ 40
50
60
40
50
% of duty
60
cycle
Pin 1, low supply voltage
protection thresholds
8
9.0 10.5 8
9.0 10.5
V
Pin 3, feedback loop protection trip
threshold
400 600 720 400 600 720
mV
At 2V
Pin 3, pull-up current
-7 -15 -35 -7 -15 -35
µA
Pin 13,
demagnetization/over-voltage
protection trip on threshold
Over temperature
470 600 720 470 600 720
mV
At 0.25V
IIN
Pin 13, input current
25°C
Over temperature
-0.6 -10
-20
-0.6 -10
µA
-20
Pin 16, feed-forward duty cycle
control
Voltage at Pin 16=2VZ
30
40
50
30
40
50
% original
duty cycle
*Pin 16, feed-forward input current
At 16V, VCC=18V
25°C
0.2 5
0.2
5
µA
Over temperature
10
10
µA
External synchronization
Pin 9 Off
0
0.8 0
0.8
V
On
Sink current
2
VZ
2
VZ
V
Voltage at Pin 9=0V, 25°C
-65 -100
-65 -125
µA
Over temperature
-125
-125
µA
Remote
Pin 10 Off
0
0.8 0
0.8
V
On
2
VZ
2
VZ
V
At 0V
Sink current
25°C
Over temperature
-85 -100
-125
-85 -125
µA
-125
µA
1994 Aug 31
3
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