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8282 Datasheet (8281) LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS

Manufacturer: Allegro MicroSystems

Overview

8281 AND 8282 A8282SLB NC OLF VBULK NC NC GND GND SENSE LNB LX VIN TCAP 1 2 3 24 23 22 EXTM VINT PUMPX VPUMP CPUMP GND GND ENT EN VSEL0 VSEL1 LLC LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS Intended for analog and digital satellite receivers, these low-noise block converter regulators (LNBRs) are monolithic linear and switching voltage regulators specifically designed to provide the power and interface signals to the LNB down converter via the coaxial cable.

If the device is in standby mode (EN terminal low), the regulator output is disabled, allowing the antenna down converters to be supplied or controlled by other satellite receivers sharing the same coaxial cable.

In this mode, the device will limit the output reverse current.

Key Features

  • s LNB selection and standby function s Built-in tone oscillator factory trimmed to 22-kHz, facilitates DiSEqC™ (a trademark of.