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MC44603DW Datasheet(PDF) 7 Page - ON Semiconductor

Part # MC44603DW
Description  MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC44603DW Datasheet(HTML) 7 Page - ON Semiconductor

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MC44603
7
MOTOROLA ANALOG IC DEVICE DATA
500
425
400
375
350
325
300
–50
–25
0
25
50
75
100
Isource, OUTPUT SOURCE CURRENT (mA)
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Oscillator Discharge Current
versus Temperature
Figure 8. Source Output Saturation Voltage
versus Load Current
2.5
2.0
1.5
1.0
0
100
200
300
400
500
450
475
VCC = 12 V
Rref = 10 k
CT = 820 pF
VCC = 12 V
Rref = 10 k
CT = 820 pF
TA = 25°C
f, FREQUENCY (kHz)
Figure 9. Sink Output Saturation Voltage
versus Sink Current
Isink, SINK OUTPUT CURRENT (mA)
Figure 10. Error Amplifier Gain and Phase
versus Frequency
1.6
0
0
100
80
2.0
1.2
0.8
0.4
200
300
400
500
60
40
20
0
–20
100
1.0
10
1000
140
50
–40
VCC = 12 V
G = 10
Vin = 30 mV
VO = 2.0 to 4.0 V
RL = 100 k
TA = 25°C
TA = 25°C
VCC = 12 V
80
µs Pulsed Load
120 Hz Rate
Sink Saturation
(Load to VCC)
Figure 11. Voltage Feedback Input
versus Temperature
Figure 12. Demag Comparator Threshold
versus Temperature
2.60
2.55
2.40
2.45
–50
–25
0
25
50
75
100
2.50
TA, AMBIENT TEMPERATURE (°C)
80
75
70
65
60
50
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
55
VCC = 12 V
G = 10
VO = 2.0 to 4.0 V
RL = 100 k
VCC = 12 V


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