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NCP3063DIPINVEVB 其他数据使用手册 - ON Semiconductor（安森美）
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NCP3063DIPINVEVB数据手册
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© Semiconductor Components Industries, LLC, 2009
November, 2009 − Rev. 9
1 Publication Order Number:
NCP3063/D
NCP3063, NCP3063B,
NCV3063
1.5 A, Step-Up/Down/
Inverting Switching
Regulators
The NCP3063 Series is a higher frequency upgrade to the popular
MC34063A and MC33063A monolithic DC−DC converters. These
devices consist of an internal temperature compensated reference,
comparator, a controlled duty cycle oscillator with an active current
limit circuit, a driver and a high current output switch. This series was
specifically designed to be incorporated in Step−Down, Step−Up and
Voltage−Inverting applications with a minimum number of external
components.
Features
• Operation to 40 V Input
• Low Standby Current
• Output Switch Current to 1.5 A
• Output Voltage Adjustable
• Frequency Operation of 150 kHz
• Precision 1.5% Reference
• New Features: Internal Thermal Shutdown with Hysteresis
New Features: Cycle−by−Cycle Current Limiting
• Pb−Free Packages are Available
Applications
• Step−Down, Step−Up and Inverting supply applications
• High Power LED Lighting
• Battery Chargers
Figure 1. Typical Buck Application Circuit
L
REFERENCE
D
COMPARATOR
5
R2
R
S
Q
SET dominant
+
−
7
COMPARATOR
CT
3
Rs
1.25 V
8
NCP3063
REGULATOR
TSD
0.2 V
+
−
2
6
R1
R
S
Q
4
1
12 V
CT
2.2 nF
OSCILLATOR
47 mH
V
out
3.3 V /
800 mA
+
470 mF
C
out
V
in
+
220 mF
C
in
SET dominant
0.15 W
3.9 kW
2.4 kW
PDIP−8
P, P1 SUFFIX
CASE 626
http://onsemi.com
MARKING
DIAGRAMS
DFN−8
CASE 488AF
SOIC−8
D SUFFIX
CASE 751
1
8
NCP3063x
AWL
YYWWG
NCP3063x = Specific Device Code
x = B
A = Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
See detailed ordering and shipping information in the package
dimensions section on page 16 of this data sheet.
ORDERING INFORMATION
V3063
ALYW
G
1
3063x
ALYW
G
1
NCV3063
AWL
YYWWG
1
1
1
8
NCP
3063x
ALYW
G
NCP
3063
ALYW
G
1
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