A8304 Datasheet - Allegro

A8304 Single LNB Supply and Control Voltage Regulator

The A8304 is a single channel low noise block regulator (LNBR). The A8304 consists of a monolithic boost converter followed by a low-drop linear regulator. It is specifically designed to provide the power and the interface signals to an LNB down converter via coaxial cable in satellite TV receiver s.

A8304 Features

* ▪ Integrated boost MOSFET, current sensing, and compensation ▪ 704 kHz switching frequency for small low-cost components ▪ S¯ ¯L¯ ¯E¯ ¯E¯ ¯P pin for ultralow power consumption mode ▪ Adjustable LNB output current limit (250 to 950 mA

* ) limit with shutdown timer ▫ Covers wide array of appli

A8304-Allegro.pdf