A8285SLB datasheet(2/18 Pages) ALLEGRO

2 / 18 page

LNB Supply and Control Voltage Regulator

A8285 and

A8287

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Unit

Load Supply Voltage

VIN

Output Current

IOUT

Output current rating may be limited by duty

cycle, ambient temperature, and heat sinking.

Under any set of conditions, do not exceed the

specified current rating or a junction tempera-

ture of +150°C

Internally Limited

–

Output Voltage

–

LNB, BOOST

–0.3 to 28

TOUT

–0.3 to 22

Logic Input

–

EXTM

–0.3 to 5

Other

–0.3 to 7

Logic Output

–

–0.3 to 7

Package Power DIssipation

–

See power dissipation information in the Application

Information section

––

Operating Temperature

Ambient

–20 to 85

ºC

Junction

–20 to 150

ºC

Storage

–55 to 150

ºC

Part Number

Pb-free

Package

Description

A8285SLB

–

16-pin SOIC

Tone detect not provided

A8285SLB-T

Yes

16-pin SOIC

Tone detect not provided

A8287SLB

–

24-pin SOIC

All features

A8287SLB-T

Yes

24-pin SOIC

All features

Selection Guide

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