MC44603 Datasheet, PDF (9/24 Pages) ON Semiconductor – MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER

MC44603
Figure 19. Startup Threshold Voltage
versus Temperature
15.5
Figure 20. Disable Voltage After Threshold
Turn–On (UVLO1) versus Temperature
9.50
15.0
9.25
14.5
VCC Increasing
14.0
13.5
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
9.00
VCC Decreasing
8.55
8.50
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 21. Disable Voltage After Threshold
Turn–On (UVLO2) versus Temperature
8.0
7.8
7.6
7.4
VCC Decreasing
7.2
7.0
6.8
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 22. Protection Threshold Level on
VOVP versus Temperature
2.60
2.55
2.50
2.45
VCC = 12 V
2.40
2.35
2.30
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 23. Protection Level on VCC
versus Temperature
18
Rref = 10 k
17.5
CT = 820 pF
Pin 6 Open
17
16.5
16
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
MOTOROLA ANALOG IC DEVICE DATA
Figure 24. Propagation Delay (VOVP > 2.58 V
to Vout Low) versus Temperature
3.0
2.5
2.0
1.5
1.0
–50
VCC = 12 V
Rref = 10 k
CT = 820 pF
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
9