Professional IC Distribution & Technical Solutions

The LM2941S is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

Specifications:

• Output Voltage: Adjustable (1.275V to 26V) or fixed (5V, 12V, 15V options)
• Output Current: Up to 1A
• Dropout Voltage: Typically 0.5V at full load (1A)
• Input Voltage Range: Up to 30V
• Quiescent Current: Typically 10mA (under load)
• Line Regulation: 0.3% (typical)
• Load Regulation: 0.4% (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263 (D2PAK)
• Protection Features: Thermal shutdown, current limit, reverse battery protection

Descriptions:

• The LM2941S is a positive voltage regulator designed for applications requiring low dropout voltage and high current capability.
• It is suitable for battery-powered systems due to its low quiescent current and dropout voltage.
• The regulator includes built-in protection against thermal overload, short circuits, and reverse polarity.

Features:

• Low Dropout Voltage (0.5V typical at 1A)
• High Output Current (1A continuous)
• Reverse Battery Protection
• Thermal Shutdown & Current Limiting
• Adjustable or Fixed Output Voltage Options
• Stable with Low-ESR Capacitors
• Wide Input Voltage Range (up to 30V)

This regulator is commonly used in automotive, industrial, and portable electronics where stable voltage regulation is critical.