LTC1775CS#PBF

DC DC Switching Controllers Overview

The LTC1775CS#PBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 36V and supports adjustable output voltages from 1.19V to 36V. The device utilizes MOSFET VDS sensing for current mode control, eliminating the need for external sense resistors. It features a fixed switching frequency of 150kHz and includes clock synchronization capabilities. Packaged in a 16-lead SOIC housing, it is designed for high-efficiency power conversion applications.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology with integrated MOSFET VDS sensing for resistor-less current mode control
• Clock synchronization capability allows for phase alignment in multi-phase systems
• Supports positive or negative output configurations using minimal external components

DC DC Switching Controllers Applications

• High efficiency point-of-load DC/DC converters
• Multi-phase power distribution systems requiring synchronized clocks
• Industrial equipment power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free RoHS compliance when sourcing. Confirm the package type matches the 16-SOIC footprint required for your PCB layout. Ensure the operating temperature range aligns with your system's thermal environment specifications before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when designing synchronous buck converters that require precise current mode control without the power loss associated with sense resistors. It is suitable for applications needing clock synchronization to reduce EMI or manage multiple phases. Consider the 150kHz switching frequency for balancing efficiency and component size.

DC DC Switching Controllers Part Context

This part belongs to the LTC1775 family of high-power synchronous step-down controllers. These devices are engineered to drive external N-channel power MOSFETs efficiently. The family focuses on simplifying design through integrated sensing and flexible configuration options for various industrial and computing power needs.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.