SA5570 데이터 시트보기 (PDF) - Philips Electronics
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SA5570 Datasheet PDF : 5 Pages
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Philips Semiconductors Linear Products
Brushless DC motor controller
Product specification
NE/SA5570
TYPICAL PERFORMANCE CHARACTERISTICS
NE5570 Oscillator Frequency
vs Temperature
22.0
21.5
VCC = 12V
21.0
20.5
20.0
19.5
19.0
18.5
18.0
–60–40 –20 0 20 40 60 80 100 120
TEMP (oC)
101
100
10–1
Oscillator Frequency
vs RT and CT
TA = 25oC
RT = 5k
RT = 3k
RT = 2.49k
RT = 2k
RT = 1k
10–2
10–3
RT = 10k
RT = 20k
RT = 100K
10–4
10–2 10–1 100
101 102
103
OSCILLATOR FREQUENCY (kHz)
NE5570 Oscillator Frequency
vs Supply Voltage
5.000
.5000
/div
TA = 55oC
TA = +25oC
.0000
9.000
TA = +125oC
V1 .6000/div
(V)
15.00
VCC = (V)
NE5570 Oscillator Output
Pulse Width
2000
1900
VCC = 12V
1800
1700
ON
1600
1500
1400
OFF
1300
1200
1100
1000
–60 –40 –20 0 20 40 60 80 100 120
TEMP (oC)
NE5570 Op Amp Gain
vs Temperature
100
VCC = +5V
80
60
40
20
0
–60 –40 –20 0 20 40 60 80 100 120
TEMP (oC)
NE5570 Current Sense
Comparator Threshold
vs Temperature
600
500
VCC = 12V
400
300
200
100
0
–60–40 –20 0 20 40 60 80 100 120
TEMP (oC)
15
14
13
12
11
10
9
18
ICC vs VCC
TA = 25oC
19
20
21
22
FREQUENCY (kHz)
NE5570 Logic Threshold
Voltage vs Temperature
800
700
VCC = 12V
600
500
400
300
200
–60–40 –20 0 20 40 60 80 100 120
TEMP (oC)
August 31, 1994
1155
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