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HSR312, HSR312L, HSR412, HSR412L Rev. 1.0.2

Rev. I20

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The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not

intended to be an exhaustive list of all such trademarks.

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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, or (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 significant injury to the user.

2. A critical component is 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

ACEx™

ActiveArray™

Bottomless™

Build it Now™

CoolFET™

CROSSVOLT™

DOME™

EcoSPARK™

EnSigna™

FACT™

FASTr™

FPS™

FRFET™

FACT Quiet Series™

GlobalOptoisolator™

GTO™

HiSeC™

i-Lo™

ImpliedDisconnect™

IntelliMAX™

ISOPLANAR™

LittleFET™

MICROCOUPLER™

MicroFET™

MicroPak™

MICROWIRE™

MSX™

MSXPro™

OCX™

OCXPro™

OPTOPLANAR™

PACMAN™

POP™

Power247™

PowerEdge™

PowerSaver™

QS™

QT Optoelectronics™

Quiet Series™

RapidConfigure™

RapidConnect™

µSerDes™

ScalarPump™

SMART START™

SPM™

Stealth™

SuperFET™

SuperSOT™-3

SuperSOT™-6

SuperSOT™-8

SyncFET™

TCM™

TinyBoost™

TinyBuck™

TinyPWM™

TinyPower™

TINYOPTO™

TruTranslation™

UHC™

UniFET™

VCX™

Wire™

Across the board. Around the world.™

Programmable Active Droop™

Datasheet Identification

Product Status

Definition

Advance Information

Formative or In Design

This datasheet contains the design specifications for

product development. Specifications may change in

any manner without notice.

Preliminary

First Production

This datasheet contains preliminary data, and

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

This datasheet contains final specifications. Fairchild

Semiconductor reserves the right to make changes at

any time without notice to improve design.

Obsolete

Not In Production

This datasheet contains specifications on a product

that has been discontinued by Fairchild semiconductor.

The datasheet is printed for reference information only.