ncp3163 ON Semiconductor, ncp3163 Datasheet - Page 12

• Manufacturer Part Number: ncp3163
• Description: 3.4 A, Stepup/down/inverting 50300 Khz Switching Regulator
• Manufacturer: ON Semiconductor

Value of Components
L
D
C
C
C
R
in
out
t
t
Name
Test Results for V
Test Results for V
Line Regulation
Load Regulation
Output Ripple
Efficiency
Short Circuit Current
Line Regulation
Load Regulation
Output Ripple
Efficiency
Short Circuit Current
V
in
R
2 A, 40 V Schottky Rectifier
T
R
1
Test
Test
R
R
C
C
SC
2
in
270 pF ±10%
T
100 mF, 10 V
47 mF, 35 V
15 kW
47 mH
Value
out
out
Figure 23. Typical Buck Application Schematic
8
7
6
5
4
3
2
1
= 3.3 V
= 5.05 V
V
LVI
CC
0.25 V
Oscillator
+
+
-
Thermal
45 k
-
+
1.125 V
1.25 V
+
+
-
V
V
V
V
V
V
V
V
V
V
Current
in
in
in
in
in
in
in
in
in
in
Limit
(Bottom View)
= 12 V, I
= 12 V, R
= 12 V, I
= 12 V, R
= 8.0 V to 24 V, I
= 12 V, I
= 12 V, I
= 10.2 V to 24 V, I
= 12 V, I
= 12 V, I
http://onsemi.com
Feedback
Comparator
15 k
V
CC
Latch
Condition
out
Condition
out
out
out
out
out
R
S
L
L
Q
V
12
= 0.1 W
= 0.1 W
CC
= 2.5 A
= 2.5 A
= 0 to 2.5 A
= 0 to 2.5 A
= 0 to 2.5 A
= 0 to 2.5 A
7.0 V
2.0 mA
Q
60
R
R
R
C
R
1
out
1
2
sc
b
b
out
Q
= 2.5 A
Name
2
= 2.5 A
10
12
13
14
15
16
11
9
D
C
B
R
B
L
Results
100 mVpp
Results
150 mVpp
13 mV
25 mV
70.3%
54 mV
28 mV
75.5%
C
3.1 A
3.1 A
O
80 mW, 1 W
24.9 kW
4.7 nF
15 kW
200 W
Value
V
out