Texas Instruments

LM1086ILD-3.3

LM1086ILD-3.3 Description

The LM1086ILD-3.3 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a stable 3.3V output voltage with a maximum output current of 1.5A. This regulator is housed in an 8-pin WSON package, making it suitable for surface-mount applications. It is designed to operate with an input voltage range up to 27V, providing a robust solution for a variety of electronic systems.

Key specifications include a maximum dropout voltage of 1.5V at full load, ensuring efficient operation even at lower input voltages. The regulator features a low quiescent current of 5 mA, which is crucial for maintaining high efficiency in low-power applications. Additionally, it offers a supply current of up to 10 mA, supporting a wide range of load conditions.

The LM1086ILD-3.3 is equipped with comprehensive protection features, including over-current, over-temperature, and short-circuit protection, enhancing its reliability and durability. Despite its obsolescence status, the regulator remains a reliable choice for applications requiring a fixed 3.3V output.

LM1086ILD-3.3 Features

• Fixed Output Voltage: The LM1086ILD-3.3 provides a stable 3.3V output, ideal for powering digital circuits and microcontrollers.
• High Output Current: Capable of delivering up to 1.5A, it supports demanding applications requiring significant current.
• Wide Input Voltage Range: With a maximum input voltage of 27V, it accommodates a broad range of input sources.
• Low Dropout Voltage: At 1.5V max dropout, it ensures efficient operation even at lower input voltages, enhancing overall system efficiency.
• Protection Features: Over-current, over-temperature, and short-circuit protection safeguard the regulator and connected components.
• Low Quiescent Current: A quiescent current of 5 mA minimizes power consumption, making it suitable for battery-powered devices.
• Surface Mount Package: The 8-pin WSON package is ideal for compact, high-density PCB designs.
• High PSRR: A power supply rejection ratio of 72dB at 120Hz ensures minimal noise and ripple on the output voltage.

LM1086ILD-3.3 Applications

The LM1086ILD-3.3 is well-suited for a variety of applications requiring a stable 3.3V power supply. Some specific use cases include:

• Microcontroller Power Supply: Provides a reliable power source for microcontrollers and other digital circuits.
• Embedded Systems: Ideal for embedded systems where a fixed 3.3V output is required for various components.
• Battery-Powered Devices: Low quiescent current and efficient operation make it suitable for battery-powered applications.
• Industrial Control Systems: Robust protection features and wide input voltage range support industrial applications with varying power supply conditions.
• Consumer Electronics: Suitable for powering various consumer electronics requiring a stable 3.3V supply.

Conclusion of LM1086ILD-3.3

The LM1086ILD-3.3 is a versatile and reliable linear voltage regulator designed for applications requiring a stable 3.3V output. Its high output current capability, low dropout voltage, and comprehensive protection features make it an excellent choice for a wide range of electronic systems. Despite its obsolescence status, the regulator remains a valuable component for engineers seeking a dependable power solution.