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SPX3940T-L-3-3

SPX3940T-L-3-3 Description

The SPX3940T-L-3-3 is a high-performance linear voltage regulator designed by MaxLinear, Inc., a leading manufacturer in the electronics industry. This regulator is specifically engineered to provide a fixed output voltage of 3.3V with a maximum output current of 1A. It is housed in a TO263-3 package, which is suitable for surface-mount applications, making it ideal for compact and space-constrained designs.

With a maximum input voltage of 16V, the SPX3940T-L-3-3 offers a wide input voltage range, ensuring compatibility with various power sources. The regulator features a low dropout voltage of 0.55V at 1A, which enhances efficiency and reduces power dissipation, making it for suitable applications where input voltage is close to the output voltage.

SPX3940T-L-3-3 Features

• Fixed Output Voltage: The SPX3940T-L-3-3 provides a stable 3.3V output, ensuring consistent power supply to sensitive electronic components.
• High Efficiency: With a low dropout voltage of 0.55V at 1A, this regulator maintains high efficiency even under low input-to-output voltage differentials.
• Comprehensive Protection: The regulator includes over-current, over-temperature, reverse polarity, short-circuit, and transient voltage protection, safeguarding both the regulator and connected circuits from potential damage.
• Surface-Mount Compatibility: The TO263-3 package is designed for surface-mount technology (SMT), facilitating easy integration into modern printed circuit board (PCB) designs.
• RoHS Compliance: The SPX3940T-L-3-3 is RoHS compliant, ensuring it meets environmental and safety standards for electronics manufacturing.
• Moisture Sensitivity Level (MSL) 3: This regulator can withstand up to 168 hours of exposure to moisture, making it suitable for a variety of manufacturing environments.

SPX3940T-L-3-3 Applications

The SPX3940T-L-3-3 is ideal for a wide range of applications where a stable 3.3V power supply is required. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power components in embedded systems.
• Consumer Electronics: Ensuring stable power delivery in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Supplying power to control boards, PLCs, and other industrial automation components.
• Telecommunications: Powering communication modules, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, telematics, and other automotive applications.

Conclusion of SPX3940T-L-3-3

The SPX3940T-L-3-3 is a robust and versatile linear voltage regulator that offers a combination of high efficiency, comprehensive protection features, and compatibility with modern manufacturing processes. Its low dropout voltage and fixed 3.3V output make it an excellent choice for applications requiring stable and efficient power delivery. With its RoHS compliance and moisture sensitivity level of 3, the SPX3940T-L-3-3 also meets environmental and manufacturing standards, ensuring it is suitable for a wide range of industries. Whether used in consumer electronics, industrial equipment, or automotive applications, the SPX3940T-L-3-3 provides reliable performance and durability.