NCP1212 ON Semiconductor, NCP1212 Datasheet - Page 7
NCP1212
Manufacturer Part Number
NCP1212
Description
Current Mode Pwm Controller For Both Forward And Flyback Converters
Manufacturer
ON Semiconductor
Datasheet
1.NCP1212.pdf
(22 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
NCP1212DR2G
Manufacturer:
ON/安森美
Quantity:
20 000
8.5
7.5
6.5
350
300
250
200
150
100
50
9
8
7
6
−25
5
4
3
2
1
0
−25
−25
Figure 13. Gate Drive Source Capability vs.
Voltage Threshold vs. Junction Temperature
Figure 9. Soft−Start Charge Current vs.
Figure 11. 82% Duty Cycle Selection Input
V
DRV
T
T
1
T
J
J
1
= 8V
1
, JUNCTION TEMPERATURE (°C)
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
Junction Temperature
Junction Temperature
27
27
27
53
53
53
V
80 ms Pulsed Load
120 Hz Rate
CC
V
DRV
= 15 V
79
79
79
= 5V
http://onsemi.com
NCP1212
105
105
105
7
400
350
300
250
200
150
100
1.2
1.1
0.9
0.8
0.7
35
30
25
20
15
10
50
5
0
−25
−25
−25
1
Figure 10. Overload Timing Discharge Current
Figure 14. Gate Drive Sink Capability vs.
V
Figure 12. Output Sink Resistance vs.
DRV
T
T
T
1
1
1
= 1V
J
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
Junction Temperature
Junction Temperature
27
27
27
V
DRV
53
53
53
= 1V
V
80 ms Pulsed Load
120 Hz Rate
CC
V
DRV
= 15 V
79
79
79
= 5V
105
105
105