MaxLinear Tariff Inquiry

SPX1521M3-L-5-0/TR

SPX1521M3-L-5-0/TR Description

The SPX1521M3-L-5-0/TR is a high-performance linear regulator designed for applications requiring a stable 5V output with a maximum output current of 300mA. Manufactured by MaxLinear, Inc., this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Surface Mount SOT223 package. Despite being marked as obsolete, the SPX1521M3-L-5-0/TR remains a reliable choice for various electronic systems due to its robust design and comprehensive protection features.

SPX1521M3-L-5-0/TR Features

• Output Type: Fixed
• Voltage - Input (Max): 20V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 14 mA
• Voltage - Output (Min/Fixed): 5V
• Voltage Dropout (Max): 0.7V @ 300mA
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Current - Quiescent (Iq): 150 µA
• PSRR: 50dB (120Hz)
• Protection Features: Over Current, Over Temperature, Reverse Polarity
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount

The SPX1521M3-L-5-0/TR offers a low dropout voltage of 0.7V at 300mA, ensuring efficient power conversion even at low input-to-output voltage differentials. Its high PSRR of 50dB at 120Hz helps in minimizing noise and ripple in the output voltage, making it suitable for sensitive analog applications. The regulator also features comprehensive protection mechanisms, including over-current, over-temperature, and reverse polarity protection, which enhance its reliability and robustness in various operating conditions.

SPX1521M3-L-5-0/TR Applications

The SPX1521M3-L-5-0/TR is ideal for a wide range of applications that require a stable 5V supply with moderate current capabilities. Its low dropout voltage and high PSRR make it particularly suitable for applications where input voltage may vary significantly or where noise and ripple need to be minimized. Specific use cases include:

• Consumer Electronics: Powering small devices such as portable media players, digital cameras, and handheld gaming consoles.
• Industrial Control Systems: Providing stable power to sensors, actuators, and microcontrollers in industrial environments.
• Telecommunications: Supplying power to low-power communication modules and network interface cards.
• Medical Devices: Ensuring reliable power delivery to medical monitoring equipment and diagnostic tools.

Conclusion of SPX1521M3-L-5-0/TR

Despite its obsolete status, the SPX1521M3-L-5-0/TR remains a valuable component in the power management domain. Its combination of low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for applications requiring a stable 5V supply. The Surface Mount SOT223 package and Tape & Reel (TR) packaging option ensure ease of integration into modern PCB designs. For engineers and designers seeking a robust and efficient linear regulator, the SPX1521M3-L-5-0/TR continues to offer a compelling solution.