ncp3101c ON Semiconductor, ncp3101c Datasheet - Page 7

• Manufacturer Part Number: ncp3101c
• Description: Ncp3101c Wide Input Voltage Synchronous Buck Converter
• Manufacturer: ON Semiconductor

3.60
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
88
87
86
85
84
83
10
−40
−40
9
8
7
6
5
4
3
2
1
0
−40
Figure 15. Controller Current vs. Input Voltage
Figure 13. Transconductance vs. Temperature
−20
−20
−20
T
V
V
V
Figure 11. I
J
CC
T
JUNCTION TEMPERATURE (°C)
in
CC
, JUNCTION TEMPERATURE (°C)
0
J
= 12 V
0
, JUNCTION TEMPERATURE (°C)
0
= 5 V
= 12 V
V
in
20
= 5 V
20
20
CC
40
40
vs. Temperature
40
TYPICAL OPERATING CHARACTERISTICS
60
60
60
80
80
80
100
100
100
5 V
12 V
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120
120
120
7
799.0
798.8
798.6
798.4
798.2
798.0
35
30
25
20
15
10
13
12
11
10
5
0
9
8
7
6
5
−40
4
4
Figure 16. Reference Voltage vs. Input Voltage
Figure 12. Low−Side R
Figure 14. Maximum Duty Cycle vs. Input
−20
5
5
T
6
J
6
, JUNCTION TEMPERATURE (°C)
0
I
CC
V
V
IN
IN
7
Low Duty Ratio
7
, INPUT VOLTAGE (V)
, INPUT VOLTAGE (V)
20
V
in
= 5 V
8
Voltage
8
40
V
DS(on)
in
9
9
= 12 V
60
Duty Ratio
10
I
vs. Temperature
CC
10
High
80
11
11
100
12
12
13
120
13