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Allegro intros LNB supply control regulators

Posted: 10 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:LNB? power management? regulators? voltage regulator? regulator?

Allegro MicroSystems Inc. has introduces two single LNB supply control voltage regulators, the A8290 and A8291, and two dual LNB supply voltage regulators, the A8286 and A8292all designed for high efficiency using the company's advanced BCD process. The low-noise block converter regulators (LNBRs) are monolithic linear/switching voltage regulators specifically designed to provide the power and interface signals to an LNB down converter via a coaxial cable.

The integrated boost switch has been optimized to minimize both switching and static losses. To further enhance efficiency, the voltage drop across the tracking regulator has been minimized.

The A8290 (single) and A8286 (dual) devices provide the higher output current required by the latest satellite STB applications, while the A8291 (single) and A8292 (dual) versions have lower current limits for more traditional requirements.

All these devices are available in the 5-by-5mm QFN/MLP-28 package.

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