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Machine Design

Voltage regulator

The A8303 joins the company’s line of low-noise block regulators (LNBRs) designed for satellite receivers in set-top boxes and LCD TVs. The single-channel LNBR uses small ceramic capacitors (instead of electrolytic) within the boost regulator control for a lower profile, a key requirement in LCD TV designs. Furthermore, the device provides a 15.6-V output setting to accommodate Japanese design requirements.

The regulator has internal protection, a boost MOSFET, current sensing, and compensation, which simplifies its design and minimizes components and PCB size.

Allegro MIcroSystems Inc.
115 Northeast Cutoff
Worcester, MA 01606
(508) 853-5000

© 2012 Penton Media, Inc.

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