Texas Instruments

LP2985A-28DBVTE4

LP2985A-28DBVTE4 Description

The LP2985A-28DBVTE4 is a fixed output linear regulator from Texas Instruments, designed to provide a stable 2.8V output voltage with a maximum output current of 105mA. This regulator is housed in a compact SOT23-5 package, making it suitable for a wide range of applications where space is a constraint. The device features a low dropout voltage of 0.58V at 150mA, ensuring efficient power conversion even at low input-to-output voltage differentials. With a maximum input voltage of 16V and a quiescent current of 95µA, the2 LP985A-28DBVTE4 is optimized for low power consumption and high efficiency.

LP2985A-28DBVTE4 Features

• Output Type: Fixed at 2.8V, providing a stable and reliable power supply for sensitive electronic components.
• Input Voltage Range: Up to 16V, offering flexibility in input power sources.
• Output Current: Capable of delivering up to 150mA, suitable for powering small to medium-sized electronic devices.
• Low Dropout Voltage: 0.58V at 150mA, ensuring high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: 95µA, minimizing power consumption in standby or low-load conditions.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enabling power-saving modes or controlled startup/shutdown sequences.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability in various operating conditions.
• Mounting Type: Surface mount, suitable for automated assembly processes and compact PCB designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, suitable for a wide range of environmental conditions.

LP2985A-28DBVTE4 Applications

The LP2985A-28DBVTE4 is ideal for applications requiring a stable and efficient power supply in a compact form factor. Some specific use cases include:

• Portable Electronic Devices: Ideal for powering small gadgets such as smartphones, tablets, and wearable devices where space and power efficiency are critical.
• Medical Equipment: Suitable for low-power medical devices that require precise voltage regulation and low power consumption.
• Consumer Electronics: Applicable in devices like digital cameras, MP3 players, and other consumer electronics that need reliable and efficient power management.
• Industrial Applications: Can be used in low-power industrial sensors and controllers where a stable power supply is essential for accurate operation.
• Automotive Electronics: Suitable in for-car electronics and infotainment systems that require efficient power regulation and low quiescent current.

Conclusion of LP2985A-28DBVTE4

The LP2985A-28DBVTE4 from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic devices. Its fixed 2.8V output, low dropout voltage, and low quiescent current make it an excellent choice for applications where power efficiency and stability are paramount. The inclusion of enable control and comprehensive protection features further enhances its reliability and adaptability. Despite its obsolete status, the LP2985A-28DBVTE4 remains a valuable component for designers seeking a compact, high-performance power management solution.