LM1576K-5 series datasheets. Manufacturer: National Semiconductor.

LM1576K-5.0 Simple switcher 3 Amp step-down voltage regulator. in 4-pin TO-3(K) package. Operational temperature range from -55°C to 150°C. Datasheet*) LM2576K-5.0 Simple switcher 3 Amp step-down voltage regulator. in 4-pin TO-3(K) package. Operational temperature range from -40°C to 125°C. Datasheet*) LM2576T-5.0 Simple switcher 3 Amp step-down voltage regulator. in 5-pin TO-220(T) package. Operational temperature range from -40°C to 125°C. Datasheet*)

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