MC44603P ON Semiconductor, MC44603P Datasheet - Page 8

Other Power Management Voltage/Current PWM

MC44603P

Manufacturer Part Number
MC44603P
Description
Other Power Management Voltage/Current PWM
Manufacturer
ON Semiconductor
Type
PWM Mode Controllerr
Datasheet

Specifications of MC44603P

Input Voltage Range
18 V
Mounting Style
Through Hole
Package / Case
PDIP-16
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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-1000
100
-200
-400
-600
-800
3.0
10
600
400
200
10 k
52
51
50
49
48
47
46
45
44
-50
0
C
T
= 2200 pF
-25
Figure 2. Timing Resistor versus
Figure 4. Oscillator Frequency
C
Figure 6. Output Waveform
T
T
f
A
Oscillator Frequency
OSC
= 100 pF
, AMBIENT TEMPERATURE (°C)
versus Temperature
Voltage
Current
, Oscillator Frequency (Hz)
0
C
100 k
1.0 ms/Div
T
25
= 500 pF
C
T
V
C
T
A
= 1000 pF
CC
L
50
= 25°C
= 2200 pF
= 12 V
V
T
A
CC
V
R
C
= 25°C
CC
ref
T
= 16 V
= 820 pF
75
= 10 k
= 12 V
http://onsemi.com
1.0 M
100
70
60
50
40
30
20
10
0
-10
8
10000
-10
1000
0.43
0.42
0.41
0.40
0.39
0.38
0.37
70
60
50
40
30
20
10
300
0
10 k
-50
V
C
T
V
I
CC
R
Figure 3. Standby Mode Timing Capacitor
Figure 5. Ratio Charge Current/Reference
A
CC
L
O
F Stby
= 25°C
= 2200 pF
= 12 V
Figure 7. Output Cross Conduction
-25
= 2.0 k
Current
Voltage
versus Oscillator Frequency
Current versus Temperature
T
A
f
, AMBIENT TEMPERATURE (°C)
OSC
R
0
, Oscillator Frequency (Hz)
F Stby
R
1.0 ms/Div
F Stby
= 5.0 k
100 k
25
= 27 k
R
F Stby
50
= 100 k
V
T
R
V
R
C
A
CC
ref
CC
ref
T
= 25°C
= 820 pF
= 10 k
= 16 V
= 10 k
= 12 V
75
1.0 M
100
30
20
10
0
-1
-2
-3
-4
-5

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