LTC3809EDD-1#PBF

DC DC Switching Controllers Overview

The LTC3809EDD-1#PBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 2.75V to 9.8V and supports output voltages from 600mV to 9.8V. The device features a fixed switching frequency of 550kHz and delivers up to 5A of output current. It utilizes a DFN-10 package and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology eliminates the need for external sense resistors
• Integrated output tracking capability for synchronized power sequencing
• Low quiescent current operation extends battery life in portable applications

DC DC Switching Controllers Applications

• Battery-operated digital devices
• Distributed DC power systems
• Automotive always-on systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation, as the provided reference indicates this variant may be discontinued or restricted. Confirm package integrity and RoHS compliance status prior to integration. Cross-reference the manufacturer's latest lifecycle notices to ensure long-term availability for production designs.

DC DC Switching Controllers Selection Notes

Select this component for low-voltage applications requiring precise output regulation without external sensing losses. The integrated tracking feature simplifies multi-rail power-up sequences. Ensure the design accommodates the 550kHz switching frequency constraints for optimal efficiency and thermal management.

DC DC Switching Controllers Part Context

This part belongs to the LTC3809 family of low-input voltage synchronous controllers. It shares architectural similarities with other members like the LTC3809EMSE-1#PBF but differs in packaging and potentially lifecycle status. The series is designed for efficient power conversion in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative models such as the LTC3809IDD-1#TRPBF based on package and electrical specifications.