LTC1735CGN#PBF

DC DC Switching Controllers Overview

The LTC1735CGN#PBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc., housed in a 16-lead SSOP package. It operates with an input voltage range of 3.5 V to 36 V and delivers up to 20 A of output current. The device supports adjustable output voltages from 800 mV to 6 V. Key electrical specifications include a fixed switching frequency of 300 kHz, a maximum load regulation of -0.1%, and a quiescent current of 450 uA. It functions within a commercial temperature range of 0°C to +85°C.

DC DC Switching Controllers Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for efficient synchronous rectification
• Features constant-frequency current mode control architecture for stable operation
• Includes programmable soft-start capability to limit inrush current during startup
• Provides cycle-by-cycle current limiting and thermal shutdown protection

DC DC Switching Controllers Applications

• Point-of-load regulation for digital signal processors
• Power distribution systems in industrial equipment
• Voltage conversion for embedded computing modules
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and tape/reel or tube packaging configuration against the manufacturer's official datasheet before ordering. Confirm that the component meets all required environmental compliance standards for the target application. Ensure compatibility with the intended PCB footprint and thermal management requirements. Cross-reference the part number with authorized distributors to confirm availability and authenticity.

DC DC Switching Controllers Selection Notes

Select this component when a single-output synchronous buck converter is required with an input voltage up to 36 V and high current capacity. It is suitable for designs needing a fixed 300 kHz switching frequency to optimize passive component size. Consider the SSOP-16 package constraints regarding thermal dissipation and pin pitch. Evaluate the need for external compensation components based on the specific output capacitance used in the design.

DC DC Switching Controllers Part Context

This part belongs to the LTC1735 series of high-efficiency synchronous buck regulators. It is designed as a complete solution for medium-to-high current applications, integrating the controller and power switches in a compact package. The series is characterized by its robust protection features and ease of implementation in standard DC/DC converter topologies.

DC DC Switching Controllers Replacement Considerations

The LTC1735CGN-1#PBF is a related variant within the same family. Verify if the '-1' suffix indicates any functional differences or specific manufacturing lot variations before substituting.