DC877A

DC877A demonstration circuit is a high efficiency synchronous Buck-Boost converter using the LTC3531-3.3. The input range is from 1.8V to 5.5V making it ideal for single-cell Lithium-Ion, multicell alkaline or nickel battery applications. This converter can provide 200mA when the input voltage is above 2.9V. The DC877 features the LTC3531-3.3 in a tiny 6-pin Thin SOT package. The converter operates in Burst Mode, which provides conversion efficiency over a wide range of load currents. It has minimum component count and tiny solution size. Other features include current limiting, thermal shutdown and output disconnect. In shutdown, the IC itself draws less than 1uA. The DC877A is ideal for battery powered, handheld applications such as MP3 players, handheld computers and PDAs.

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