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NCP5173/D Datasheet

  • NCP5173/D

  • 1.5A 560 kHz-1.0 MHz Boost Regulator

  • 18頁

  • ETC

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NCP5173
1.5 A 560 kHz鈭?.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
http://onsemi.com
MARKING
DIAGRAM
5x6 QFN
MN SUFFIX
CASE 505AC
NCP5173
AWLYYWW
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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鈭抜n Overcurrent Protection
Frequency Foldback Reduces Component Stress During an
Overcurrent Condition
鈥?/div>
Thermal Shutdown with Hysteresis
鈥?/div>
Low 1.0 mm Maximum Profile
鈥?/div>
Shut Down Current: 50
mA
Maximum
Applications
1
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
鈥?/div>
Flat Panel Displays
鈥?/div>
Systems Requiring Low Profile Components
漏
Semiconductor Components Industries, LLC, 2003
1
October, 2003 鈭?Rev. 0
Publication Order Number:
NCP5173/D

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