Texas Instruments

LP3986BL-2528  

Linear & Switching Voltage Regulators

LP3986BL-2528 Description

The LP3986BL-2528 is a dual linear voltage regulator designed for applications requiring a fixed output voltage and low power consumption. Manufactured by Texas Instruments, this regulator offers two independent positive output voltages of 2.5V and 2.8V, each capable of delivering up to 150mA of current. The device is designed with a maximum input voltage of 6V and features a very low dropout voltage of 0.1V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials.

The LP3986BL-2528 is housed in a surface-mount package, specifically in a tape and reel format (TR), making it suitable for automated assembly processes. It has a maximum supply current of 320 µA and a quiescent current of 130 µA, which contributes to its low power consumption profile. The regulator also includes several protection features such as over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.

LP3986BL-2528 Features

• Fixed Output Voltages: The regulator provides two fixed output voltages of 2.5V and 2.8V, making it suitable for applications requiring specific voltage levels.
• Low Dropout Voltage: With a maximum dropout voltage of 0.1V at1 50mA, the LP3986BL-2528 ensures high efficiency, especially in low input voltage scenarios.
• Low Quiescent Current: The regulator operates with a quiescent current of 130 µA, minimizing power consumption and extending battery life in portable devices.
• Protection Features: The device includes over-current, over-temperature, and short-circuit protection, enhancing its reliability and durability.
• Enable Control: The regulator features an enable control pin, allowing for dynamic control of the output voltage, which can be useful in power management applications.
• Compliance The: LP3986BL-2528 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: The device has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited exposure to ambient conditions before assembly.

LP3986BL-2528 Applications

The LP3986BL-2528 is ideal for a variety of applications where low power consumption, fixed output voltages, and high efficiency are critical. Some specific use cases include:

• Portable Electronics: The low dropout voltage and low quiescent current make this regulator suitable for battery-powered devices such as smartphones, tablets, and wearable technology.
• Power Management: The enable control feature allows for dynamic power management in systems where power conservation is essential.
• Embedded Systems: The regulator's dual output voltages and low power consumption make it a good fit for embedded systems requiring multiple voltage levels.
• Industrial Applications: The robust protection features and compliance with environmental standards make the LP3986BL-2528 suitable for industrial applications where reliability and durability are paramount.

Conclusion of LP3986BL-2528

The LP3986BL-2528 from Texas Instruments is a versatile dual linear voltage regulator that offers efficient power management with its low dropout voltage and low quiescent current. Its fixed output voltages of 2.5V and 2.8V, combined with robust protection features, make it a reliable choice for a wide range of applications, particularly in portable electronics and embedded systems. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for existing designs and legacy systems.

LP3986BL-2528 Documents

Download datasheets and manufacturer documentation for LP3986BL-2528

Datasheets :

LP3986      

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LP3986