NCP3101 ON Semiconductor, NCP3101 Datasheet - Page 15

• Manufacturer Part Number: NCP3101
• Description: Wide Input Voltage Synchronous Buck Converter
• Manufacturer: ON Semiconductor

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Measured Performance of NCP3101 Demoboard is Shown in Figures 21 Through 24.
10.5
Capacitors: 2x MLCC 100 mF and 820 mF OS-CON
9.5
8.5
7.5
6.5
5.5
4.5
3.5
2.5
Figure 23. Transient Response (V
7
V
out
8
= 3.3 V, I
9 10 11 12 13
Figure 21. Overcurrent Protection
T
out
J
R
= 0°C
ocp
= 3 A to 6 A Step) Output
RESISTANCE (kW)
14
T
J
= 25°C
15 16
17 18 19
in
T
= 13.2 V,
J
= 70°C
20 21 22
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NCP3101
-10
-20
-30
-40
15
50
40
30
20
10
0
100
100
90
80
70
60
50
0
Figure 24. Feedback Frequency Response
4.5 V
1
Figure 22. Efficiency (V
(V
in
1000
= 13.2 V, V
FREQUENCY (Hz)
OUTPUT CURRENT (A)
2
Phase
13.2 V
12 V
11 V
10 V
9 V
8 V
Gain
7 V
out
6 V
3
5 V
= 3.3 V)
10000
out
4
= 3.3 V)
5
100000
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
6