Analog Devices Inc.

LT3587EUD

LT3587EUD Description

The LT3587EUD is a highly versatile and efficient power management integrated circuit (PMIC) designed by Analog Devices Inc. This IC is specifically tailored for applications requiring adjustable voltage regulation and dual rail output configuration, making it suitable for a wide range of electronic systems. The LT3587EUD operates within an input voltage range of 2.5V to 6V, providing a maximum output voltage of ±32V and a minimum output voltage of ±2.5V. It features three switch outputs with current capabilities of 800mA, 900mA, and 400mA, respectively. The device employs a boost and Cuk topology, ensuring high efficiency and performance in various power conversion tasks.

LT3587EUD Features

• Adjustable Output Voltage: The LT3587EUD offers adjustable output voltage capabilities, allowing designers to fine-tune the power supply to meet specific application requirements.
• Dual Rail Output Configuration: This feature provides both positive and negative output voltages, making the IC ideal for applications that require dual power rails.
• High Efficiency Topologies: Utilizing boost and Cuk topologies, the LT3587EUD ensures high efficiency in power conversion, minimizing energy loss and heat generation.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 6V, the IC is suitable for a variety of power sources, including batteries and low-voltage power supplies.
• Multiple Output Currents: The LT3587EUD supports multiple output currents (800mA, 900mA, and 400mA), providing flexibility in power delivery for different components.
• Surface Mount Technology: The surface mount package type ensures ease of integration into compact and high-density PCB designs.
• High Switching Frequency: Operating at a switching frequency of 1MHz, the LT3587EUD enables the use of smaller inductors and capacitors, reducing the overall size of the power solution.
• Moisture Sensitivity Level 1: With an MSL of 1, the LT3587EUD is suitable for unlimited exposure to ambient conditions, enhancing its reliability in various environments.

LT3587EUD Applications

The LT3587EUD is well-suited for a variety of applications due to its versatile features and high performance. Some specific use cases include:

• Consumer Electronics: Ideal for powering portable devices, such as smartphones, tablets, and laptops, where dual rail power supply and adjustable voltage regulation are essential.
• Industrial Equipment: Suitable for industrial control systems and automation devices that require reliable and efficient power management solutions.
• Medical Devices: Applicable in medical equipment where precise voltage regulation and dual rail output are necessary for accurate operation.
• Telecommunications: Useful in telecom infrastructure, such as base stations and repeaters, where high efficiency and compact design are critical.

Conclusion of LT3587EUD

The LT3587EUD by Analog Devices Inc. stands out as a robust and flexible power management IC, offering adjustable voltage regulation, dual rail output configuration, and high efficiency through its boost and Cuk topologies. Its wide input voltage range, multiple output currents, and high switching frequency make it an ideal choice for a diverse array of applications, from consumer electronics to industrial and medical devices. Despite being marked as obsolete, the LT3587EUD remains a valuable component for engineers and designers seeking reliable and efficient power solutions.