Texas Instruments

LP3991TLX-1.5/NOPB  

Linear & Switching Voltage Regulators

LP3991TLX-1.5/NOPB Description

The LP3991TLX-1.5/NOPB is a high-performance linear regulator designed for applications requiring a stable and efficient power supply. Manufactured by Texas Instruments, this device offers a fixed output voltage of 1.5V and a maximum output current of 300mA. It is designed to operate with an input voltage range up to 4V, ensuring compatibility with a variety of power sources. The regulator is housed in a 4DSBGA package, making it suitable for surface mount applications and providing a compact solution for space-constrained designs.

LP3991TLX-1.5/NOPB Features

• Output Type: Fixed output voltage of 1.5V ensures consistent power delivery.
• Input Voltage Range: Capable of operating with input voltages up to 4V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 300mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.16V at 300mA, the LP3991TLX-1.5/NOPB maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of only 100 µA, minimizing power consumption in standby mode.
• Enable Control: Includes an enable feature, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with over-temperature and short-circuit protection, ensuring reliable operation under various conditions.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 65dB at 1kHz, effectively filtering out noise from the input power source.
• Compliance and Status: The device is REACH unaffected, RoHS3 compliant, and has an ECCN classification of EAR99, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) allows for easy handling and storage without additional precautions.

LP3991TLX-1.5/NOPB Applications

The LP3991TLX-1.5/NOPB is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices, where maximizing battery life is critical. The enable control feature allows for dynamic power management, making it an excellent choice for systems that require power-saving modes.

Specific use cases include:

• Portable Electronics: Ideal for smartphones, tablets, and other portable devices where battery life and compact design are paramount.
• Wearable Devices: Suitable for fitness trackers, smartwatches, and other wearable technologies that demand low power consumption and small form factors.
• IoT Devices: Perfect for Internet of Things (IoT) devices that require reliable power management and low power consumption to extend battery life.
• Medical Devices: Applicable in medical devices that need stable power supply and low noise for accurate measurements and reliable operation.

Conclusion of LP3991TLX-1.5/NOPB

The LP3991TLX-1.5/NOPB from Texas Instruments is a robust and efficient linear regulator designed to meet the demands of modern electronic devices. Its combination of low dropout voltage, low quiescent current, and high PSRR ensures high efficiency and reliable performance. The enable control and protection features provide additional flexibility and reliability, making it a standout choice in the power management market. Whether for portable electronics, wearable devices, IoT applications, or medical equipment, the LP3991TLX-1.5/NOPB offers a compact, efficient, and reliable power solution that meets the needs of today's demanding applications.

LP3991TLX-1.5/NOPB Documents

Download datasheets and manufacturer documentation for LP3991TLX-1.5/NOPB

Datasheets :

LP3991