NCP1212 ON Semiconductor, NCP1212 Datasheet - Page 8

• Manufacturer Part Number: NCP1212
• Description: Current Mode Pwm Controller For Both Forward And Flyback Converters
• Manufacturer: ON Semiconductor

50
40
30
20
10
60
55
50
45
40
35
30
25
20
0
1.4
1.3
1.2
1.1
1.0
0.9
0.8
−25
−25
−25
Figure 19. Maximum Duty Cycle, DMAX
Figure 15. Gate Drive Voltage Rise Time vs.
Figure 17. Brownout Input Threshold Voltage
T
T
1
J
T
1
J
, JUNCTION TEMPERATURE (°C)
1
, JUNCTION TEMPERATURE (°C)
J
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
Junction Temperature
Junction Temperature
27
27
27
2.1V ≤ V
53
53
53
DMAX
79
≤ 2.8V
79
79
48
http://onsemi.com
vs.
NCP1212
105
105
105
8
100
50
40
30
20
10
90
80
70
60
50
55
50
45
40
35
30
25
0
−25
−25
−25
Figure 20. Maximum Duty Cycle, DMAX
Figure 18. Brownout Hysteresis Current vs.
Figure 16. Gate Drive Voltage Fall Time vs.
T
T
T
1
1
1
J
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
Junction Temperature
Junction Temperature
Junction Temperature
27
27
27
53
53
53
V
DMAX
79
79
79
≥ 3V
82
vs.
105
105
105