LTC1649CS#PBF

DC DC Switching Controllers Overview

The LTC1649CS#PBF is a high-power step-down switching regulator controller from Analog Devices, designed for 3.3V input applications. It operates within a temperature range of 0°C to 70°C and utilizes a 16-lead SOIC package. The device delivers an output voltage adjustable between 1.26 V and 2.5 V with a maximum output current capability of 10 A. Key electrical specifications include a maximum duty cycle of 99% and a minimum operating temperature of 0°C.

DC DC Switching Controllers Feature Summary

• Designed as a high-power step-down switching regulator controller
• Optimized for 3.3V input voltage applications
• Capable of delivering up to 10A output current
• Features adjustable output voltage range

DC DC Switching Controllers Applications

• Industrial power systems
• Automotive electronics
• Aerospace equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (#PBF) indicates lead-free compliance and tube packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. or its predecessor Linear Technology. Ensure the package type matches the 16-lead SOIC requirement for your PCB layout. Check for any obsolescence notices or limited availability status directly from the supplier before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this component when a robust buck controller is needed for 3.3V input rails requiring high current delivery. The fixed internal reference and wide output voltage range provide design flexibility. Consider the thermal performance of the SOIC package for your specific power dissipation needs. Verify that the external component selection supports the required 10A output current without exceeding thermal limits.

DC DC Switching Controllers Part Context

This part belongs to the LTC1649 series of switching regulators. It is distinct from other Analog Devices parts like the LTC1049 precision amplifier or LTC1349 RS-232 transceiver. The device serves as a control IC rather than a complete integrated switcher, requiring external MOSFETs and passive components to function.

DC DC Switching Controllers Replacement Considerations

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