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www.fairchildsemi.com

FSB50250AT Rev. A

Rev. I38

TRADEMARKS

The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not

intended to be an exhaustive list of all such trademarks.

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE

RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY

PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY

THEREIN, WHICH COVERS THESE PRODUCTS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE

EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.

As used herein:

1.

Life support devices or systems are devices or systems which, (a) are

intended for surgical implant into the body or (b) support or sustain life,

and (c) whose failure to perform when properly used in accordance with

instructions for use provided in the labeling, can be reasonably

expected to result in a significant injury of the user.

2.

A critical component in any component of a life support, device, or

system whose failure to perform can be reasonably expected to cause

the failure of the life support device or system, or to affect its safety or

effectiveness.

PRODUCT STATUS DEFINITIONS

Definition of Terms

Build it Now™

CorePLUS™

CorePOWER™

CROSSVOLT™

CTL™

Current Transfer Logic™

EfficentMax™

EZSWITCH™ *

™

FACT Quiet Series™

FastvCore™

FPS™

F-PFS™

Green FPS™

Green FPS™ e-Series™

GTO™

IntelliMAX™

ISOPLANAR™

MegaBuck™

MICROCOUPLER™

MicroFET™

MicroPak™

MillerDrive™

MotionMax™

Motion-SPM™

®

PDP SPM™

Power-SPM™

PowerXS™

Programmable Active Droop™

QS™

Quiet Series™

RapidConfigure™

™

Saving our world, 1mW /W /kW at a time™

SmartMax™

SMART START™

STEALTH™

SuperFET™

SuperSOT™-3

SuperSOT™-6

SuperSOT™-8

SupreMOS™

SyncFET™

®

TinyBoost™

TinyBuck™

TINYOPTO™

TinyPower™

TinyPWM™

TinyWire™

TriFault Detect™

mSerDes™

Ultra FRFET™

UniFET™

VCX™

VisualMax™

XS™

®

Datasheet Identification

Product Status

Definition

Advance Information

Formative / In Design

Datasheet contains the design specifications for product development. Specifications

may change in any manner without notice.

Preliminary

First Production

Datasheet contains preliminary data; supplementary data will be published at a later

date. Fairchild Semiconductor reserves the right to make changes at any time without

notice to improve design.

No Identification Needed

Full Production

Datasheet contains final specifications. Fairchild Semiconductor reserves the right to

make changes at any time without notice to improve the design.

Obsolete

Not In Production

Datasheet contains specifications on a product that is discontinued by Fairchild

Semiconductor. The datasheet is for reference information only.

ANTI-COUNTERFEITING POLICY

Fairchild Semiconductor Corporation’s Anti-Counterfeiting Policy. Fairchild’s Anti-Counterfeiting Policy is also stated on our external website,

Counterfeiting of semiconductor parts is a growing problem in the industry. All manufactures of semiconductor products are experiencing counterfeiting of their

parts. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed

application, and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from the

proliferation of counterfeit parts. Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild

Distributors who are listed by country on our web page cited above. Products customers buy either from fairchild directly or from Authorized Fairchild

Distributors are genuine parts, have full traceability, meet Fairchild’s quality standards for handing and storage and provide access to Fairchild’s full range of

up-to-date technical and product information. Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address and

warranty issues that may arise. Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is

committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors.