參數(shù)資料
型號: NCP3063
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述: 1.5 A SWITCHING REGULATOR, 190 kHz SWITCHING FREQ-MAX, DSO8
封裝: 4 X 4 MM, LEAD FREE, DFN-8
文件頁數(shù): 10/16頁
文件大?。?/td> 269K
代理商: NCP3063
NCP3063, NCP3063B, NCV3063
http://onsemi.com
10
Figure 14. Typical Buck Application Schematic
J204
1
GND
J203
1
C203
2.2 nF
C202
220 F / 50 V
C205
470 F / 25 V
C206
C201
R202
2K4
±
1%
U201
NCP3063
5
3
4
6
8
7
1
2
COMP
TCAP
GND
N.C.
I
PK
SWC
SWE
R203
R201
0R15
D201
1N5819
J202
1
GND
J201
1
L201
+V
IN
= +12 V
0.1 F
3K9
±
1%
+
0.1 F
+
+V
OUT
= +3.3 V / 800 mA
V
CC
47 H
Value of Components
Name
Value
L201
47 H, I
sat
> 1.5 A
D201
1 A, 40 V Schottky Rectifier
C202
220 F, 50 V, Low ESR
C205
470 F, 25 V, Low ESR
C203
2.2 nF Ceramic Capacitor
Name
Value
R201
150 m , 0.5 W
R202
2.40 k
R203
3.90 k
C201
100 nF Ceramic Capacitor
C202
100 nF Ceramic Capacitor
Test Results
Test
Condition
Results
Line Regulation
V
in
= 9 V to 12 V, I
o
= 800 mA
8 mV
Load Regulation
V
in
= 12 V, I
o
= 80 mA to 800 mA
9 mV
Output Ripple
V
in
= 12 V, I
o
= 40 mA to 800 mA
85 mV
pp
Efficiency
V
in
= 12 V, I
o
= 400 mA to 800 mA
> 73%
Short Circuit Current
V
in
= 12 V, R
load
= 0.15
1.25 A
Figure 15. Buck Demoboard Layout
Figure 16. Efficiency vs. Output Current for the Buck
Demo Board at V
in
= 12 V, V
out
= 3.3 V, T
A
= 25 C
OUTPUT LOAD (Adc)
0.1 0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
E
76
74
72
70
68
66
64
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PDF描述
NCP3063B 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
NCV3063 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
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