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SPX3819S-L-3-3/TR

SPX3819S-L-3-3/TR Description

The SPX3819S-L-3-3/TR is a linear regulator IC designed by MaxLinear, Inc., offering a fixed output voltage of 3.3V and a maximum output current of 500mA. This device is housed in an 8SOIC package and is available in a surface-mount configuration, making it suitable for a wide range of applications where compactness and reliability are paramount. Despite its designation as obsolete, the SPX3819S-L-3-3/TR remains a viable option for legacy systems and specific applications that require its unique feature set.

SPX3819S-L-3-3/TR Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Voltage: Fixed at 3.3V
• Output Current: 500mA
• Number of Regulators: 1
• Output Configuration: Positive
• Supply Current (Max): 30 mA
• Voltage Dropout (Max): 0.7V @ 500mA
• Quiescent Current (Iq): 8 µA
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Reverse Polarity
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Product Status: Obsolete
• ECCN: EAR99
• HTSUS: 8542.39.0001

The SPX3819S-L-3-3/TR stands out due to its low dropout voltage of 0.7V at maximum load, which is crucial for maintaining efficiency in applications with tight input voltage margins. The enable control feature allows for dynamic power management, enabling the regulator to be turned on and off as needed. Additionally, the over current, over temperature, and reverse polarity protections ensure robustness and reliability in various operating conditions###.

SPX3819S-L-3-3/TR Applications

The SPX3819S-L-3-3/TR is ideal for applications requiring a stable 3.3V supply with moderate current demands. Its compact 8SOIC package and surface-mount configuration make it suitable for space-constrained designs. Specific use cases include:

• Embedded Systems: Providing a stable power supply for microcontrollers, sensors, and other low-power peripherals.
• Telecommunications: Powering low-voltage components in base stations and communication equipment.
• Consumer Electronics: Supplying power to devices such as routers, set-top boxes, and smart home devices.
• Industrial Control: Ensuring reliable power delivery in PLCs, automation systems, and other industrial applications.

Conclusion of SPX3819S-L-3-3/TR

The SPX3819S-L-3-3/TR, despite being marked as obsolete, continues to offer significant value in applications that require a reliable, low dropout linear regulator with a fixed 3.3V output. Its combination of low quiescent current, enable control, and comprehensive protection features make it a robust choice for a variety of power management needs. For engineers and designers working on legacy systems or specific applications that benefit from its unique characteristics, the SPX3819S-L-3-3/TR remains a viable and effective solution.