LTC1266CS-3.3#TRPBF

DC DC Switching Controllers Overview

The LTC1266CS-3.3#TRPBF is a synchronous buck DC/DC switching controller manufactured by Analog Devices Inc., designed for high-efficiency power conversion in compact applications. It operates within an input voltage range of 3.5V to 18V and supports a maximum switching frequency of 400kHz. The device features a 16-SOIC package with surface-mount installation, suitable for industrial temperature ranges from -40°C to 85°C. Key electrical characteristics include a 100% maximum duty cycle capability and integrated transistor drivers for external N-channel or P-channel MOSFETs. This component provides precise regulation for single-output positive configurations.

DC DC Switching Controllers Feature Summary

• Synchronous rectification architecture utilizing external N-channel or P-channel MOSFETs for enhanced efficiency
• Capable of 100% duty cycle operation to maintain regulation at minimal input-to-output voltage differentials
• Integrated enable control feature for system power management and sequencing

DC DC Switching Controllers Applications

• Portable battery-powered equipment requiring efficient step-down conversion
• Industrial control systems operating within wide input voltage ranges
• Embedded systems utilizing negative rail generation via P-channel topology

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging distinct from the tube variant. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the ordering part number matches the required package style and environmental rating for your manufacturing process.

DC DC Switching Controllers Selection Notes

Select this controller when high efficiency is critical due to its synchronous design compared to standard PWM controllers. Consider the 16-SOIC footprint for board space constraints. Evaluate the need for 100% duty cycle support if input voltages may drop close to the output level. Verify compatibility with available external MOSFETs for the target current requirements.

DC DC Switching Controllers Part Context

This component belongs to the LTC1266 family of synchronous regulators. It serves as a core power management IC for converting higher bus voltages to lower logic or analog supply levels. The CS-3.3 designation typically refers to the commercial temperature grade and internal reference configuration within the broader product line.

DC DC Switching Controllers Replacement Considerations

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