Product Overview

The LTC3621HMS8E-5#PBF is a high-efficiency, monolithic synchronous buck regulator from Analog Devices Inc., designed to deliver up to 17V of output voltage with a continuous output current of up to 1A. This compact and robust power management solution is housed in an MSOP-8 package, making it ideal for space-constrained applications. The device operates from an input voltage range of 2.7V to 17V, making it suitable for single-cell Li-Ion applications, as well as 12V intermediate bus systems and industrial supplies.

Key Features

• High Efficiency: The LTC3621HMS8E-5#PBF employs a constant-frequency, current-mode architecture, which, along with its low RDS(ON) internal switches, provides a high efficiency of up to 95%.
• Adjustable Switching Frequency: The switching frequency can be set from 500kHz to 4MHz with an external resistor or synchronized to an external clock, allowing flexibility in optimizing the size of external components and performance.
• Stable with Ceramic Capacitors: The regulator is stable with ceramic output capacitors, which provides a compact, fast-responding, and low-noise output.
• Low Dropout Operation: The LTC3621HMS8E-5#PBF's low dropout operation is beneficial for applications requiring maximum efficiency at low input voltages.
• Robust Protection Features: The device includes overtemperature protection, overcurrent protection, and a power good flag to ensure safe operation under abnormal conditions.

Applications

With its wide input voltage range and compact size, the LTC3621HMS8E-5#PBF is versatile for use in various applications, including:

• Portable Instruments
• Battery-Powered Equipment
• Point of Load Power Supplies
• Embedded Systems
• Industrial Power Supplies
• Automotive Electronics

Quality and Reliability

Analog Devices Inc. is known for its commitment to quality, and the LTC3621HMS8E-5#PBF is no exception. The device is designed to meet high standards of performance and reliability, ensuring a dependable power management solution for your critical applications.