LM4802 series datasheets. Manufacturer: National Semiconductor.

LM4802BLQ 2.7 V to 5.5 V, BOOMER audio power amplifier with boost converter to drive ceramic speaker in 28-pin LQ package. Operational temperature range from -40°C to 85°C. Datasheet*) LM4802B Audio Power Amplifier with Boost Converter to Drive Ceramic Speakers Datasheet*)

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