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NCV5171 fiches techniques PDF

ON Semiconductor - Boost Regulators

Numéro de référence NCV5171
Description Boost Regulators
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCV5171 fiche technique
NCV5171
1.5 A 280 kHz Boost
Regulators
The NCV5171 is a 280 kHz switching regulator with a high
efficiency, 1.5 A integrated switch. The 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 ICs utilize 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. This
part is pin−to−pin compatible with LT1372/1373.
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 anwww.DataSheet4U.com
Overcurrent Condition
Thermal Shutdown with Hysteresis
Shut Down Current: 50 mA Maximum
Pin−to−Pin Compatible with LT1372/1373
NCV Prefix for Automotive and other Applications Requiring Site
and Control Changes
This is a Pb−Free Device
http://onsemi.com
SOIC−8
D SUFFIX
CASE 751
MARKING DIAGRAM AND
PIN CONNECTIONS
1
VC
FB
Test
SS
8
VSW
PGND
AGND
VCC
5171E = Specific Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping
NCV5171EDR2G SOIC−8 2500 Units / Box
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2006
November, 2006 − Rev. 1
1
Publication Order Number:
NCV5171/D

PagesPages 19
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