Texas Instruments

LM1085IS-ADJ

LM1085IS-ADJ Description

The LM1085IS-ADJ is a high-performance, adjustable linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and is known for its robustness and versatility in various electronic applications. The LM1085IS-ADJ features an adjustable output voltage range from 1.25V to 15V, making it suitable for a wide array of power management needs. It supports a maximum input voltage of 29V and can deliver a continuous output current of up to 3A. The regulator is housed in a surface-mount package, specifically a DDPAK, which is ideal for compact and high-density PCB designs.

LM1085IS-ADJ Features

• Adjustable Output Voltage: The LM1085IS-ADJ offers an adjustable output voltage range from 1.25V to 15V, providing flexibility to meet diverse power supply requirements.
• High Input Voltage Capability: With a maximum input voltage of 29V, this regulator can handle a wide range of input sources, ensuring compatibility with various power systems.
• High Output Current: Capable of delivering up to 3A of output current, the LM1085IS-ADJ is suitable for applications requiring high current loads.
• Low Dropout Voltage: A maximum dropout voltage of 1.5V at 3A ensures efficient power conversion, even under high load conditions.
• Protection Features: Integrated over-current and over-temperature protection features enhance the reliability and safety of the regulator.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz ensures minimal noise and ripple on the output voltage, contributing to stable performance.
• Low Quiescent Current: A quiescent current of only 10mA minimizes power consumption during operation, making it suitable for energy-efficient designs.
• Compliance and Packaging: The LM1085IS-ADJ is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is available in a tube package, which is ideal for automated assembly processes.

LM1085IS-ADJ Applications

The LM1085IS-ADJ is well-suited for a variety of applications due to its adjustable output voltage and high current capability. Some specific use cases include:

• Power Supplies: Ideal for designing adjustable power supplies in laboratory and industrial settings.
• Consumer Electronics: Suitable for powering high-current devices such as gaming consoles, high-end audio equipment, and large-screen TVs.
• Industrial Equipment: Can be used in industrial control systems, PLCs, and robotic systems where reliable power management is crucial.
• Telecommunications: Applicable in base stations, repeaters, and other telecom equipment requiring stable and adjustable power sources.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, advanced driver assistance systems (ADAS), and other automotive applications.

Conclusion of LM1085IS-ADJ

The LM1085IS-ADJ from Texas Instruments stands out as a versatile and reliable linear voltage regulator. Its adjustable output voltage range, high input voltage capability, and high output current make it suitable for a wide range of applications. The low dropout voltage and high PSRR ensure efficient and stable power delivery, while the integrated protection features enhance its robustness. The surface-mount package and compliance with environmental standards make it an ideal choice for modern, compact, and sustainable electronic designs. Whether for consumer electronics, industrial equipment, or automotive applications, the LM1085IS-ADJ delivers outstanding performance and reliability.