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MC44603ADW Datasheet(PDF) 6 Page - ON Semiconductor

Part # MC44603ADW
Description  MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER
Download  24 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC44603ADW Datasheet(HTML) 6 Page - ON Semiconductor

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MC44603A
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Timing Resistor versus
Oscillator Frequency
Figure 2. Standby Mode Timing Capacitor
versus Oscillator Frequency
10 k
10000
fOSC, Oscillator Frequency (Hz)
VCC = 16 V
TA = 25°C
Rref = 10 k
10 k
100
fOSC, Oscillator Frequency (Hz)
VCC = 16 V
TA = 25°C
1000
10
300
3.0
100 k
100 k
1.0 M
1.0 M
CT = 100 pF
CT = 500 pF
CT = 2200 pF
CT = 1000 pF
RF Stby = 2.0 k
RF Stby = 5.0 k
RF Stby = 27 k
RF Stby = 100 k
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Oscillator Frequency
versus Temperature
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Ratio Charge Current/Reference
Current versus Temperature
52
51
48
47
46
45
44
–50
–25
0
25
50
75
100
VCC = 12 V
Rref = 10 k
CT = 820 pF
0.43
0.41
0.40
0.37
0.38
–50
–25
0
25
50
75
100
0.39
49
50
0.42
VCC = 12 V
Rref = 10 k
CT = 820 pF
Figure 5. Output Waveform
Figure 6. Output Cross Conduction
VO
ICC
VCC = 12 V
CL = 2200 pF
TA = 25°C
Current
Voltage
Current
Voltage
1.0
µs/Div
1.0
µs/Div
VCC = 12 V
CL = 2200 pF
TA = 25°C
600
400
–200
–400
–600
–800
–1000
0
200
70
60
30
20
10
0
–10
40
50
70
60
30
20
10
0
–10
40
50
300
200
–100
–200
–300
–400
–500
0
100


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