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The SPX1585AT-L-3-3/TR is a low dropout (LDO) voltage regulator manufactured by EXAR Corporation. Below are the factual specifications, descriptions, and features of this component:

Specifications:

• Manufacturer: EXAR
• Part Number: SPX1585AT-L-3-3/TR
• Output Voltage: 3.3V (Fixed)
• Output Current: 3A
• Dropout Voltage: 1.3V (Typical at 3A)
• Input Voltage Range: 4.75V to 16V
• Line Regulation: 0.05% (Typical)
• Load Regulation: 0.1% (Typical)
• Quiescent Current: 10mA (Typical)
• Operating Temperature Range: -40°C to +125°C
• Package: TO-263-5 (D2PAK)
• Package Type: Surface Mount
• Protection Features: Thermal Shutdown, Current Limit

Descriptions:

The SPX1585AT-L-3-3/TR is a high-performance, low-dropout linear regulator designed to provide a stable 3.3V output with up to 3A of current. It features low dropout voltage, high accuracy, and excellent line/load regulation, making it suitable for powering sensitive electronic circuits in industrial, automotive, and consumer applications.

Features:

• High Output Current: Up to 3A
• Low Dropout Voltage: 1.3V at full load
• Low Quiescent Current: 10mA (Typical)
• Thermal Overload Protection: Prevents damage due to excessive heat
• Current Limiting Protection: Safeguards against short circuits
• Wide Input Voltage Range: 4.75V to 16V
• Stable with Low-ESR Capacitors: Ensures stable operation
• Surface-Mount Package (TO-263-5): Suitable for compact PCB designs

This information is provided based on the manufacturer's datasheet and technical documentation.