SPX3819R2-L/TR

Overview of SPX3819R2-L/TR

The SPX3819R2-L/TR is a low-voltage LDO (Low Dropout) Voltage Regulator designed for high-performance applications. It provides excellent performance in portable devices, consumer equipment, and other battery-powered systems.

Pinout

The SPX3819R2-L/TR pinout refers to the configuration and function of each pin in its 8-VFDFN Exposed Pad package. When viewed from the top down, the pins are sequentially named, with each pin serving a specific role such as power supply input, ground connection, or signal interface. Designers and engineers must refer to the datasheet provided by MaxLinear, Inc., the manufacturer, for accurate information regarding each pin's function and electrical characteristics.

Features

• Low dropout voltage of 200mV at 100mA output current: This feature ensures that the regulator can operate effectively even in low-power scenarios.
• Low quiescent current of 75µA: This results in reduced power consumption and heat generation, making it suitable for battery-powered applications.
• Excellent line and load regulation: The regulator ensures consistent output voltage unaffected by changes in input voltage or load currents.
• Low temperature coefficient: This feature allows the regulator to maintain stable performance over a wide range of temperatures, making it suitable for applications where environmental conditions vary.
• Thermal shutdown protection: The device has built-in thermal shutdown protection to prevent damage from excessive heat buildup.
• Short circuit protection: This feature helps protect the regulator from damage by preventing unnecessary power dissipation in case of a short circuit condition.
• Small form factor SOT23-5 package: The 8-VFDFN Exposed Pad package is compact and suitable for space-limited designs, making it ideal for applications where size is a concern.
• Output voltage options from 1.0V to 5.0V: This feature provides flexibility in choosing the desired output voltage, allowing designers to tailor the regulator to their specific requirements.

Applications

• Portable computers: The SPX3819R2-L/TR can provide a stable supply voltage for portable computer systems that require low power consumption and high performance.
• Portable consumer equipment: This regulator is suitable for battery-powered applications such as mobile phones, PDAs, chargers, adapters, and other portable devices that demand low power and high efficiency.
• Communication and mobile phone battery packs: The SPX3819R2-L/TR ensures stable voltage supply to these systems, providing reliable operation in varying environmental conditions.
• PDA and mobile phones: This regulator's low power consumption and high efficiency make it suitable for powering PDA devices like smartphones and feature phones.
• Battery-powered devices: The device provides a stable supply voltage for battery-powered machines such as printers, scanners, and other portable systems that require efficient energy management.
• Chargers and adapters: The regulator's high-performance capabilities make it suitable for powering chargers and adapters used in portable devices.
• High efficiency linear regulators: In power-conscious applications where heat generation is a concern, the SPX3819R2-L/TR offers high efficiency compared to other linear regulator solutions.

Advantages and Disadvantages

Advantages

• Limited standby current consumption for long battery life: The Regulator's low quiescent current ensures power conservation, extending the battery runtime in portable devices.
• Robust and reliable performance with minimal heat generation: The device's high-efficiency design minimizes heat buildup, making it well-suited for applications where temperature control is crucial.
• Flexibility in choosing output voltage options: The Regulator provides a range of output voltage options from 1.0V to 5.0V, allowing designers to tailor the device to their specific power supply requirements.

Disadvantages

• Limited maximum current rating: The Regulator has a lower maximum current rating compared to other LDO regulators on the market, limiting its applicability in high-power applications.
• Sensitivity to temperature variations: Slight changes in ambient temperature could affect the device's performance and stability, making it important to consider environmental conditions during design.