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ON Semiconductor - Boost Regulator

Numéro de référence NCP5173
Description Boost Regulator
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP5173 fiche technique
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NCP5173
1.5 A 560 kHz−1.0 MHz
Boost Regulator
The NCP5173 is a switching regulator with a high efficiency, 1.5 A
integrated switch. It runs at a base frequency of 560 kHz and can be
synchronized to an external clock up to 1.0 MHz. This part operates
over a wide input voltage range, from 2.7 V to 30 V. The flexibility of
the design allows the chip to operate in most power supply
configurations, including boost, flyback, forward, inverting, and
SEPIC. The IC uses current mode architecture, which allows excellent
load and line regulation, as well as a practical means for limiting
current. Combining high frequency operation with a highly integrated
regulator circuit results in an extremely compact power supply
solution. The circuit design includes provisions for features such as
frequency synchronization, shutdown, and feedback controls for
positive voltage regulation.
Features
Integrated Power Switch: 1.5 A Guaranteed
Wide Input Range: 2.7 V to 30 V
High Frequency Allows for Small Components
Minimum External Components
Easy External Synchronization
Built−in Overcurrent Protection
Frequency Foldback Reduces Component Stress During an
Overcurrent Condition
Thermal Shutdown with Hysteresis
Low 1.0 mm Maximum Profile
Shut Down Current: 50 mA Maximum
Applications
Flat Panel Displays
Systems Requiring Low Profile Components
http://onsemi.com
5x6 QFN
MN SUFFIX
CASE 505AC
MARKING
DIAGRAM
1
NCP5173
AWLYYWW
NCP5173 = Specific Device Code
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
NOTE: Thermal pad is electrically isolated from IC
and all pins.
ORDERING INFORMATION
Device
NCP5173MN
NCP5173MNR2
Package
QFN
QFN
Shipping
95 Units/Rail
2500 Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2004
September, 2004 − Rev. 1
1
Publication Order Number:
NCP5173/D

PagesPages 18
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