ncp3102 ON Semiconductor, ncp3102 Datasheet - Page 15

• Manufacturer Part Number: ncp3102
• Description: Wide Input Voltage Synchronous Buck Converter
• Manufacturer: ON Semiconductor

Measured Performance of NCP3102 Demoboard is Shown in Figures 22 Through 25.
Capacitors: 2x MLCC 100 mF and 820 mF OS-CON
18
16
14
12
10
8
6
4
2
0
Figure 24. Transient Response (V
V
4
out
= 3.3 V, I
5
Figure 22. Overcurrent Protection
6
out
R
T
ocp
= 5 A to 10 A Step) Output
7
J
T
= 25°C
J
RESISTANCE (kW)
= 70°C
8
9
T
J
10
= 125°C
in
= 12 V,
11
12
http://onsemi.com
13
NCP3102
-10
-20
-30
-40
15
50
40
30
20
10
0
100
100
95
90
85
80
75
70
65
60
0
Figure 25. Feedback Frequency Response
1
4.5 V
2
(V
Figure 23. Efficiency (V
in
1000
OUTPUT CURRENT (A)
FREQUENCY (Hz)
3
= 12 V, V
13.2 V
10 V
12 V
8 V
4
Phase
6 V
out
Gain
5
= 3.3 V)
10000
6
out
7
= 3.3 V)
8
9
100000
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
10