Analog Devices Inc. LTC3621HMS8E-25#PBF Overview

The LTC3621HMS8E-25#PBF is a high-efficiency, monolithic synchronous step-down regulator from Analog Devices Inc., designed to deliver a continuous 1A output current with a wide input voltage range of 2.7V to 17V. This versatile component is housed in a compact MSOP-8 package, making it an excellent choice for space-constrained applications.

With its fixed output voltage of 2.5V, the LTC3621HMS8E-25#PBF provides a precise voltage supply for various electronic circuits, including portable devices, microprocessor and microcontroller power supplies, and distributed DC systems. The device's high efficiency is achieved through its low RDS(ON) internal switches, which enable efficiencies of up to 95%. This high efficiency, combined with a low quiescent current of only 12µA, ensures minimal power loss and extends battery life in portable applications.

Key Features

• High Efficiency: Up to 95% efficiency with low RDS(ON) internal switches.
• Wide Input Voltage Range: Operates from 2.7V to 17V, suitable for a variety of power sources.
• Fixed Output Voltage: Provides a stable 2.5V output, ideal for consistent power delivery.
• Low Quiescent Current: Only 12µA in operation, reducing power consumption when idle.
• Compact Size: Offered in an MSOP-8 package, perfect for space-limited applications.
• Thermal Protection: Features internal thermal shutdown and current limit protection.
• Flexible Operation: Capable of 100% duty cycle for low dropout operation.

Applications

• Portable Electronics
• Microprocessor/Microcontroller Power Supplies
• Wireless and DSL Modems
• Distributed Power Systems
• Battery-Powered Devices

The LTC3621HMS8E-25#PBF also incorporates important protection features such as over-temperature protection and a current limit to safeguard the device and the system it powers. The regulator is stable with ceramic, tantalum, or aluminum electrolytic capacitors, offering design flexibility. With its robust feature set and compact form factor, the LTC3621HMS8E-25#PBF is a powerful and reliable solution for a wide range of power regulation needs.