Texas Instruments

LP2985IM5-6.1

LP2985IM5-6.1 Description

The LP2985IM5-6.1 is a fixed-output linear voltage regulator designed by Texas Instruments. This device offers a regulated output voltage of 6.1V and is capable of delivering up to 150mA of output current. It is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. The regulator is designed to operate with an input voltage range up to 16V, providing a maximum dropout voltage of 0.58V at full load. This low dropout voltage ensures efficient operation even when the input voltage is close to the output voltage.

LP2985IM5-6.1 Features

• Fixed Output Voltage: The LP2985IM5-6.1 provides a stable output voltage of 6.1V, ensuring consistent performance in various applications.
• High Current Capability: With an output current capacity of 150mA, this regulator can support a wide range of electronic devices and circuits.
• Low Dropout Voltage: The maximum dropout voltage of 0.58V at 150mA allows the regulator to maintain efficiency even under low input-to-output voltage differentials.
• Low Quiescent Current: The quiescent current of 95 µA ensures minimal power consumption in standby mode, making it ideal for battery-powered applications.
• Enable Control Feature: The enable pin provides control over the regulator's operation, allowing for dynamic power management and reduced power consumption when not in use.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, enhancing reliability and safeguarding against potential faults.
• High PSRR: The power supply rejection ratio (PSRR) of 45dB at 1kHz helps in filtering out noise from the input power supply, ensuring clean output voltage.

LP2985IM5-6.1 Applications

The LP2985IM5-6.1 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and low dropout voltage make this regulator ideal for portable electronic devices and battery-operated systems.
• Consumer Electronics: Suitable for powering low-voltage circuits in consumer electronics, ensuring stable operation and minimal power loss.
• Industrial Control Systems: Provides a reliable power source for control modules and sensors in industrial environments.
• Telecommunications: Ideal for powering low-voltage components in telecommunication equipment, ensuring consistent performance.

Conclusion of LP2985IM5-6.1

The LP2985IM5-6.1 is a versatile and efficient linear voltage regulator that offers a stable output voltage of 6.1V and a maximum output current of 150mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring efficient power management and minimal power consumption. The inclusion of enable control and comprehensive protection features further enhances its reliability and versatility. While the product is now considered obsolete, it remains a reliable option for applications where its specific attributes are required.