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NCV8855
Quad-Output Automotive
System Power Supply IC
with Integrated High-Side
2A Switch
The NCV8855 is a multiple output controller / regulator IC with an
integrated high ? side load switch. The NCV8855 addresses automotive
radio system and instrument cluster power supply requirements. In
addition to the high ? side load switch, the NCV8855 includes a
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MARKING
DIAGRAM
switch ? mode power supply (SMPS) buck controller, a 2.5 A SMPS
buck regulator and two low dropout (LDO) linear regulator
controllers. The NCV8855 in combination with the ultra ? low
quiescent current NCV861x IC forms an eight ? output automotive
radio or instrument cluster power solution. The NCV8855 has an
internally set switching frequency of 170 kHz, with a SYNC pin for
1 40
40 PIN QFN, 6x6
MN SUFFIX
CASE 488AR
1
NCV8855
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external frequency synchronization.
The NCV8855 is intended to supply power to various loads, such as
a tuner, CD logic, audio processor and CD / tape control within a car
radio. The high ? side switch can be used for a CD / tape mechanism or
switching an electrically ? powered antenna or display unit. In an
instrument cluster application, the NCV8855 can be used to power
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= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb ? Free Package
graphics display, flash memory and CAN transceivers. In addition, the
high ? side switch can be used to limit power to a TFT display during a
battery over ? voltage condition.
Features
? < 1 m A Shutdown Current
? Meets ES ? XW7T ? 1A278 ? AB Test Pulse G – Loaded Conditions
? V IN Operating Range 9.0 to 18.0 V
? 1 SMPS Controller with Adjustable Current Limit
? 1 SMPS Regulator with Internal 300 m W NMOS Switch
? 2 LDO Controllers with Current Limit and Short Circuit Protection
? 1 High ? side Load Switch with Internal 300 m W NMOS FET
? Adjustable Output Voltage for All Controllers / Regulators
? 800 mV, $ 1% Reference Voltage
? System Enable Pin
? Single Enable Pin for Both LDO Controllers
? Independent Enable for High ? side Load Switch
? Thermal Shutdown with Thermal Warning Indicator
? This is a Pb ? Free Device
Applications
? Automotive Radio
? Instrument Cluster, Driver Information System (DIS)
ORDERING INFORMATION
Device Package Shipping ?
NCV8855BMNR2G QFN ? 40 2500 / Tape &
(Pb ? Free) 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, 2010
May, 2010 ? Rev. 1
1
Publication Order Number:
NCV8855/D
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