LT3509EDE#TRPBF

Overview

The LT3509EDE#TRPBF is a dual monolithic buck regulator manufactured by Analog Devices Inc. It features two independent step-down converters housed in an exposed pad 16-DFN package. The device supports input voltages up to 60V and provides adjustable outputs with a maximum current of 700mA per channel. Integrated features include internal switches, frequency synchronization capability, and comprehensive protection mechanisms such as thermal shutdown and current limiting for reliable operation.

Feature Summary

• Dual integrated buck converter topology
• High voltage input handling capability
• Frequency synchronization support
• Integrated thermal and current protection

Applications

• Industrial power distribution systems
• Automotive electronics modules
• Telecommunications infrastructure equipment
• Battery-powered portable devices

Procurement Notes

Verify the specific suffix and tape-and-reel packaging configuration against official manufacturer documentation prior to ordering. Confirm that the component meets all required environmental standards and RoHS compliance specifications for the intended application environment. Ensure proper handling procedures are followed due to the exposed thermal pad design.

Selection Notes

Select this component when a compact solution for dual isolated or non-isolated low-voltage rails is required from a high-voltage source. Evaluate the thermal performance requirements carefully given the small footprint and dual-channel power density. Consider external component selection for output filtering to meet specific ripple and transient response targets.

Part Context

This part belongs to the LT3509 family of dual synchronous buck regulators designed for space-constrained applications. It integrates high-side N-channel MOSFETs to minimize external component count. The device is optimized for efficiency across a wide load range while maintaining stability with standard ceramic capacitors.

Replacement Considerations

LT3509EDE#PBF