A8286 - Dual LNB Supply and Control Voltage Regulator

Product Overview

Allegro MicroSystems

Datasheet Details

Part number	A8286
Manufacturer	Allegro MicroSystems
File Size	638.31 KB
Description	Dual LNB Supply and Control Voltage Regulator
Datasheet	A8286 Datasheet
Additional preview pages of the A8286 datasheet.

Product details

Description

Intended for analog and digital satellite receivers, this dual low-noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator, specifically designed to provide the power and the interface signals to two LNB down converters via coaxial cables.

Features

2-wire serial I2C™ -compatible interface: control (write) and status (read).
LNB voltages (16 programmable levels) compatible with all common standards.
Tracking switch-mode power converter for lowest dissipation.
Integrated converter switches and current sensing.
Output current limit of 900 mA typical, with 48 ms timer.
Static current limit circuit allows full current at startup and 13→18 V output transition; reliably starts wide load range.
Push-pull output.

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Published: Mar 14, 2007 |