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The part LM1296 is manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on the available knowledge:

Specifications:

• Type: Voltage Regulator
• Output Voltage: Adjustable or fixed (specific value depends on variant)
• Output Current: Up to 3A (typical)
• Input Voltage Range: Typically 7V to 35V
• Dropout Voltage: Low dropout (exact value varies by model)
• Package: TO-220 or similar power package
• Operating Temperature Range: -40°C to +125°C (industrial-grade)

Descriptions:

The LM1296 is a linear voltage regulator designed for high-current applications. It provides stable and reliable voltage regulation with built-in protection features such as thermal shutdown and current limiting.

Features:

• High Current Capability: Supports up to 3A output current.
• Low Dropout Voltage: Efficient operation with minimal voltage loss.
• Thermal Protection: Built-in thermal shutdown prevents overheating.
• Current Limiting: Protects against short circuits and overloads.
• Adjustable Output (if applicable): Some variants allow output voltage adjustment via external resistors.
• Wide Input Voltage Range: Suitable for various power supply designs.

For exact electrical characteristics, refer to the official National Semiconductor datasheet.