The SPX3940M3-L-2-5/TR is a fixed positive voltage regulator from Exar Corporation.

• Output Voltage: It has an output voltage of 2.5V and can deliver a maximum output current of 1A.
• Operating Temperature: This regulator is designed to operate in a wide temperature range, from -40°C to 125°C, and has overcurrent, overtemperature, reverse polarity, short circuit, and transient voltage protection features.
• Mounting Style: It is surface mountable with a SOT-223 package and has a voltage input maximum of 16V.
• Dropout Voltage: The dropout voltage @ 1A is 0.55V.
• EOL Date: The estimated EOL date for this regulator is 2024, and it is a medium-popularity product.