MC44602 Просмотр технического описания (PDF) - Motorola => Freescale
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MC44602 Datasheet PDF : 18 Pages
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MC44602
Figure 3. Oscillator Discharge Current
versus Temperature
Figure 4. Oscillator Voltage Swing
versus Temperature
12
5.0
VCC = 12 V
VCC = 12 V
VOSC = 3.0 V
RT = 10 k
11
4.0
CT = 1.0 nF
10
3.0
Peak Voltage
9.0
2.0
8.0
7.0
–55
–25
0
25
50
75
100 125
TA, AMBIENT TEMPERATURE (°C)
1.0
0
–55
Valley Voltage
–25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
2.55 V
Figure 5. Error Amp Small Signal
Transient Response
VCC = 12 V
AV = –1.0
3.0 V
TA = 25°C
Figure 6. Error Amp Large Signal
Transient Response
VCC = 12 V
AV = –1.0
TA = 25°C
2.5 V
2.5 V
2.45 V
t, TIME (0.5 µs/DIV)
2.0 V
t, TIME (1.0 µs/DIV)
Figure 7. Error Amp Open Loop Gain and
Phase versus Frequency
100
80
Gain
60
VCC = 12 V
0
VO = 2.0 V to 4.0 V
RL = 100 k
30
TA = 25°C
60
Phase
40
90
20
120
0
150
–20
0.1 k
1.0 k
10 k
100 k
f, FREQUENCY (Hz)
1.0 M
180
10 M
Figure 8. Current Sense Input Threshold versus
Error Amp Output Voltage
1.2
1.0
TA = 125°C
0.8
0.6
TA = 25°C
0.4
TA = –40°C
0.2
VCC = 12 V
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
VO, ERROR AMP OUTPUT VOLTAGE (V)
MOTOROLA ANALOG IC DEVICE DATA
5
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