Texas Instruments

LP2985A-18DBVTG4

LP2985A-18DBVTG4 Description

The LP2985A-18DBVTG4 is a fixed-output linear regulator designed by Texas Instruments, offering a robust and efficient solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. The LP2985A-18DBVTG4 provides a fixed output voltage of 1.8V and can deliver up to 150mA of output current, making it suitable for a wide range of electronic devices.

LP2985A-18DBVTG4 Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Current: 150mA
• Output Configuration: Positive
• Dropout Voltage: 0.58V at 150mA, ensuring high efficiency even at low input-to-output voltage differentials.
• Quiescent Current: Low quiescent current of 95 µA, minimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): 45dB at 1kHz, providing excellent noise rejection and stable output voltage.
• Control Features: Enable functionality, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure reliable operation and safeguard against potential faults.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various manufacturing environments.
• Mounting Type: Surface mount, facilitating easy integration into PCB designs.

LP2985A-18DBVTG4 Applications

The LP2985A-18DBVTG4 is well-suited for applications requiring a stable and efficient power supply with minimal space requirements. Its fixed 1.8V output and 150mA current capability make it ideal for:

• Consumer Electronics: Portable devices, smartphones, and tablets.
• Industrial Equipment: Sensors, controllers, and embedded systems.
• Communication Devices: Routers, modems, and IoT devices.
• Medical Devices: Portable medical equipment and diagnostic tools.

Conclusion of LP2985A-18DBVTG4

The LP2985A-18DBVTG4 from Texas Instruments is a versatile and reliable linear regulator, offering a fixed 1.8V output and 150mA current capability in a compact SOT23-5 package. Its low dropout voltage and high PSRR ensure efficient and stable performance, while its protection features and compliance with environmental standards make it a robust choice for a variety of applications. Although the product is marked as obsolete, it remains a valuable option for existing designs and legacy systems, providing a proven solution for power management needs.