ncp3127 ON Semiconductor, ncp3127 Datasheet - Page 5

• Manufacturer Part Number: ncp3127
• Description: Ncp3127 2 A Synchronous Pwm Switching Converter
• Manufacturer: ON Semiconductor

375
365
355
345
335
325
5.0
4.5
4.0
3.5
3.0
2.5
2.0
14
13
12
10
11
9
8
−60
0
0
−40
Figure 8. SCP Threshold vs. Temperature
Figure 6. Soft−Start Sourcing Current vs.
10
10
V
−20
T
T
T
CC
Figure 4. I
J
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
= 12 V
V
20
20
CC
0
= 5 V
Temperature
20
CC
30
30
vs. Temperature
40
40
40
60
80
50
50
TYPICAL CHARACTERISTICS
100
60
60
http://onsemi.com
120
140
70
70
5
808
806
804
802
800
798
796
794
792
6.0
5.0
4.0
3.0
2.0
1.0
25
23
21
19
17
15
13
11
9
0
0
0
0
V
V
CC
Figure 9. Minimum Active Duty Cycle vs.
CC
V
Figure 7. Reference Voltage (V
Figure 5. Input Current Switching vs.
10
10
V
10
= 12 V
CC
= 5 V
CC
T
T
T
= 12 V
J
J
J
= 5 V
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
20
20
20
Temperature
Temperature
Temperature
30
30
30
40
40
40
50
50
50
ref
) vs.
60
60
60
70
70
70