Texas Instruments

LP2985A-29DBVR  

Linear & Switching Voltage Regulators

LP2985A-29DBVR Description

The LP2985A-29DBVR is a highly efficient, low-dropout linear voltage regulator designed by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and is known for its robust performance and versatility. The regulator features a fixed output voltage of 2.9V and can deliver up to 150mA of output current. It is housed in a compact SOT23-5 package, making it suitable for space-constrained applications. The LP2985A-29DBVR is designed to operate with an input voltage range up to 16V, ensuring compatibility with a wide range of power sources. The regulator's low dropout voltage of 0.58V at 150mA allows it to maintain regulation even when the input voltage is close to the output voltage, enhancing its efficiency in battery-powered devices.

LP2985A-29DBVR Features

The LP2985A-29DBVR offers several key features that set it apart from other linear voltage regulators:

• Fixed Output Voltage: Provides a stable 2.9V output, ensuring consistent power supply to sensitive electronics.
• Low Dropout Voltage: At 0.58V, it maintains regulation with minimal voltage difference between input and output, maximizing efficiency.
• High PSRR: With a Power Supply Rejection Ratio of 45dB at 1kHz, it effectively filters out noise from the input power supply, resulting in cleaner output voltage.
• Low Quiescent Current: Consumes only 95µA in quiescent state, making it ideal for low-power applications.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, safeguarding the device and connected components from potential damage.
• Enable Control: Features an enable pin for easy control of the regulator's operation, allowing for power-saving modes and dynamic power management.
• Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Mounting Type: Surface mount technology (SMT) allows for easy integration into modern PCB designs.
• Moisture Sensitivity Level: MSL 1 (unlimited) ensures the device is suitable for a wide range of manufacturing environments.

LP2985A-29DBVR Applications

The LP2985A-29DBVR is ideal for a variety of applications where a stable and efficient power supply is crucial:

• Battery-Powered Devices: Its low dropout voltage and low quiescent current make it perfect for applications such as portable electronics, handheld devices, and wearables.
• Consumer Electronics: Suitable for powering sensitive components in devices like smartphones, tablets, and IoT devices.
• Industrial Applications: Provides reliable power regulation in industrial control systems, sensors, and instrumentation.
• Medical Devices: Ensures stable power supply in medical equipment where reliability and precision are paramount.
• Telecommunications: Ideal for powering low-power modules in communication devices and infrastructure.

Conclusion of LP2985A-29DBVR

The LP2985A-29DBVR from Texas Instruments is a versatile and efficient linear voltage regulator that offers a combination of high performance and robust protection features. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring stable power supply with minimal power loss. The enable control feature and compact SOT23-5 package further enhance its flexibility and ease of integration. Whether used in battery-powered devices, consumer electronics, or industrial applications, the LP2985A-29DBVR delivers reliable performance and ensures the safe operation of connected components.

LP2985A-29DBVR Documents

Download datasheets and manufacturer documentation for LP2985A-29DBVR

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)       Add Cu as Alternative Wire Base Metal for Selected Devices on SOT23 (DBV) and VSSOP (DGK, DGS, DGQ) packages (PDF)      

Models :

LP2985A-29DBVR Symbol & Footprint by SnapMagic      

SPICE Models :

LP2985-18 Unencrypted PSpice Transient Model       LP2985-30 Unencrypted PSpice Transient Model       LP2985-18 PSpice Transient Model       LP2985-50 PSpice Transient Model       LP2985-33 Unencrypted PSpice Transient Model       LP2985-33 PSpice Transient Model       LP2985-10 PSpice Transient Model       LP2985-30 PSpice Transient Model       LP2985-50 Unencrypted PSpice Transient Model       LP2985-28 Unencrypted PSpice Transient Model       LP2985-29 Unencrypted PSpice Transient Model       LP2985-25 PSpice Transient Model       LP2985-10 Unencrypted PSpice Transient Model       LP2985-25 Unencrypted PSpice Transient Model       LP2985-29 PSpice Transient Model       LP2985-28 PSpice Transient Model