Texas Instruments

LP3985IM5X-3.3/E7002288

LP3985IM5X-3.3/E7002288 Description

The LP3985IM5X-3.3/E7002288 is a high-performance, low-dropout linear voltage regulator designed by Texas Instruments. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is optimized for applications requiring a stable 3.3V output voltage. It features a quiescent current of only 150 µA, making it suitable for low-power applications. The regulator can handle a maximum input voltage of 6V and provides a maximum output current of 550mA, ensuring reliable performance in various electronic systems.

LP3985IM5X-3.3/E7002288 Features

• Low Quiescent Current: The LP3985IM5X-3.3/E7002288 boasts a low quiescent current of 150 µA, which is crucial for battery-operated devices and other low-power applications.
• High PSRR: With a Power Supply Rejection Ratio (PSRR) of 50dB to 40dB across the frequency range of 1kHz to 10kHz, this regulator effectively filters out noise from the input power supply, ensuring clean output voltage.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 3.3V, simplifying design and ensuring consistent performance.
• Low Dropout Voltage: The maximum dropout voltage is only 0.1V at 150mA, allowing the regulator to operate efficiently even when the input voltage is close to the output voltage.
• Protection Features: The LP3985IM5X-3.3/E7002288 includes over-current, over-temperature, and short-circuit protection, safeguarding the device and connected components from potential damage.
• Enable Control: The regulator features an enable control function, allowing users to turn the regulator on or off as needed, which is beneficial for power management in complex systems.
• Surface Mount Packaging: The surface mount package type ensures easy integration into modern PCB designs, facilitating compact and reliable electronic assemblies.
• ROHS3 Compliant: This regulator meets the stringent environmental standards of ROHS3, ensuring it is free from harmful substances and suitable for environmentally conscious applications.
• Unlimited Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the LP3985IM5X-3.3/E7002288 is suitable for a wide range of manufacturing environments without the risk of moisture-related damage.

LP3985IM5X-3.3/E7002288 Applications

The LP3985IM5X-3.3/E7002288 is ideal for a variety of applications due to its combination of low quiescent current, high PSRR, and robust protection features. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and low dropout voltage make this regulator perfect for extending battery life in portable electronics such as smartphones, tablets, and wearable devices.
• Embedded Systems: The fixed 3.3V output and enable control feature are beneficial for embedded systems where consistent power supply and power management are critical.
• Industrial Applications: The robust protection features and surface mount packaging make this regulator suitable for industrial control systems, IoT devices, and other applications requiring reliable power management.
• Medical Devices: The low noise and high PSRR ensure that sensitive medical equipment receives a clean and stable power supply, crucial for accurate measurements and reliable operation.

Conclusion of LP3985IM5X-3.3/E7002288

The LP3985IM5X-3.3/E7002288 from Texas Instruments is a versatile and high-performance linear voltage regulator designed for modern electronic systems. Its low quiescent current, high PSRR, and comprehensive protection features make it an excellent choice for applications requiring stable power supply and efficient power management. Whether used in battery-operated devices, embedded systems, or industrial applications, the LP3985IM5X-3.3/E7002288 delivers reliable performance and significant advantages over similar models.