MC44603P ON Semiconductor, MC44603P Datasheet - Page 9

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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2.0
1.6
1.2
0.8
0.4
500
475
450
425
400
375
350
325
300
2.60
2.55
2.50
2.45
2.40
0
-50
0
-50
Sink Saturation
(Load to V
Figure 10. Sink Output Saturation Voltage
Figure 8. Oscillator Discharge Current
-25
-25
Figure 12. Voltage Feedback Input
100
CC
I
sink
)
T
T
A
A
, AMBIENT TEMPERATURE (°C)
, SINK OUTPUT CURRENT (mA)
versus Sink Current
versus Temperature
, AMBIENT TEMPERATURE (°C)
versus Temperature
0
0
200
25
25
300
T
V
80 ms Pulsed Load
120 Hz Rate
50
A
CC
50
= 25°C
V
G = 10
V
R
= 12 V
CC
O
L
= 100 k
= 2.0 to 4.0 V
= 12 V
V
R
C
400
CC
ref
T
= 820 pF
75
= 10 k
= 12 V
75
http://onsemi.com
500
100
100
9
-20
80
60
40
20
0
10
2.5
2.0
1.5
1.0
80
75
70
65
60
55
50
0
-50
Figure 11. Error Amplifier Gain and Phase
0
Figure 9. Source Output Saturation Voltage
Figure 13. Demag Comparator Threshold
-25
10
100
I
source
1
versus Frequency
T
A
f, FREQUENCY (kHz)
, OUTPUT SOURCE CURRENT (mA)
, AMBIENT TEMPERATURE (°C)
versus Load Current
versus Temperature
0
200
10
2
25
300
V
G = 10
V
V
R
T
50
A
in
CC
O
L
10
= 25°C
= 100 k
= 30 mV
= 2.0 to 4.0 V
3
= 12 V
V
R
C
T
V
A
CC
ref
T
400
CC
= 25°C
= 820 pF
= 10 k
75
= 12 V
= 12 V
10
140
50
-40
4
500
100

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