Analog Devices Inc. LTC3619BEMSE#PBF Overview

The LTC3619BEMSE#PBF is a high-performance, dual-channel monolithic synchronous buck regulator from Analog Devices Inc., designed to deliver efficient power management for a variety of applications. This compact device integrates two independent step-down regulators in a space-saving MSE package, offering a versatile solution for systems requiring multiple low-voltage power rails.

Key Features

• Wide Input Voltage Range: The LTC3619BEMSE#PBF operates with an input voltage range from 2.25V to 5.5V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as standard 3.3V or 5V power rails.
• Dual Independent Outputs: Each channel can deliver up to 400mA of continuous output current, with the capability to configure the output voltage down to 0.6V, allowing for great flexibility in powering different components of a system.
• High Efficiency: The synchronous rectification design ensures high efficiency, which is critical for battery-powered devices, helping to extend battery life and reduce heat generation.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere from 1MHz to 3MHz through an external resistor, allowing optimization between efficiency and component size.
• Low Noise Operation: The LTC3619BEMSE#PBF features a constant frequency operation mode that minimizes noise and interference, which is particularly important for RF and precision analog applications.
• Robust Protection Features: The device includes over-temperature protection, over-current protection, and under-voltage lockout to ensure reliable operation under various conditions.

Applications

With its dual-channel configuration and high-efficiency performance, the LTC3619BEMSE#PBF is ideal for portable devices, such as smartphones, tablets, and digital cameras, as well as industrial and automotive applications where multiple regulated voltages are required in a limited space.

Package and Availability

The LTC3619BEMSE#PBF comes in a compact, thermally enhanced 16-lead MSE package. The product's part number indicates a lead-free finish, adhering to RoHS standards, and is available for purchase through various distributors and directly from Analog Devices Inc.

For detailed specifications, application circuits, and additional resources, designers and engineers are encouraged to consult the datasheet and technical support documentation provided by Analog Devices Inc.