NCP3063 ONSEMI [ON Semiconductor], NCP3063 Datasheet - Page 12

• Manufacturer Part Number: NCP3063
• Description: 1.5 A, Step−Up/Down/Inverting Switching Regulators
• Manufacturer: ONSEMI [ON Semiconductor]

Value of Components
Test Results
Name
L501
D501
C502
C505
C503
Line Regulation
Load Regulation
Output Ripple
Efficiency
Short Circuit Current
+V
IN
Figure 21. Voltage Inverting Demoboard Layout
J502
J501
GND
= +5 V
1
1
0.1 mF
C501
Test
Value
22 mH, I
1 A, 40 V Schottky Rectifier
330 mF, 25 V, Low ESR
470 mF, 35 V, Low ESR
2.2 nF Ceramic Capacitor
sat
+
330 mF / 25 V
> 1.5 A
R501
0R15
C502
Figure 20. Typical Voltage Inverting Application Schematic
V
V
V
V
V
in
in
in
in
in
= 4.5 V to 6 V, I
= 5 V, I
= 5 V, I
= 5 V, I
= 5 V, R
16K9 ±1%
NCP3063, NCP3063B, NCV3063
8
7
6
5
R502
o
o
o
load
N.C.
I
V
COMP
= 10 mA to 100 mA
= 0 mA to 100 mA
= 100 mA
PK
CC
NCP3063
= 0.15 W
U501
1K96 ±1%
TCAP
o
SWC
SWE
GND
R503
= 50 mA
http://onsemi.com
1
2
3
4
Condition
12
C503
2.2 nF
Name
R501
R502
R503
C501
C506
52
50
48
46
44
42
40
38
36
0
Figure 22. Efficiency vs. Output Current for the
Voltage Inverting Demo Board at V
C506
0.1 mF
L501
22 mH
20
Value
150 mW, 0.5 W
16.9 kW
1.96 kW
100 nF Ceramic Capacitor
100 nF Ceramic Capacitor
V
out
OUTPUT LOAD (mA
+
40
470 mF / 35 V
C505
D501
1N5819
= −12 V, T
1.5 mV
1.6 mV
≤ 300 mV
49.8%
0.885 A
60
A
V
= 255C
OUT
pp
dc
Results
= −12 V / 100 mA
80
)
GND
1 J503
1
in
J504
= +5 V,
100