LTC1775CGN#TRPBF

DC DC Switching Controllers Overview

The LTC1775CGN#TRPBF is a synchronous step-down switching regulator controller from Analog Devices. It operates with an input voltage range of 5V to 28V and supports output voltages down to 3.3V. The device drives external N-channel power MOSFETs to deliver up to 10A of output current. Utilizing a buck topology, it features current mode control via MOSFET VDS sensing, eliminating the need for a sense resistor. The component is housed in a 16-lead SSOP package.

DC DC Switching Controllers Feature Summary

• Synchronous step-down switching regulator controller architecture
• Current mode control utilizing MOSFET VDS sensing
• Elimination of external current sense resistors
• Direct drive capability for external N-channel power MOSFETs

DC DC Switching Controllers Applications

• High efficiency DC-to-DC conversion systems
• Point-of-load regulation circuits
• Industrial power supply designs
• Telecommunications equipment power stages

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the CGN designation corresponds to the commercial temperature grade and SSOP-16 package variant required for your design. Cross-reference the manufacturer datasheet to ensure compatibility with your external MOSFET selection and passive component requirements before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller when designing high-efficiency buck converters that require simplified current sensing. The VDS sensing feature reduces component count and cost by removing the sense resistor. Ensure the application input voltage remains within the 5V to 28V range. Verify that the external MOSFETs selected can handle the required 10A load current and switching frequencies associated with this controller type.

DC DC Switching Controllers Part Context

This component belongs to the LTC1775 family of synchronous step-down controllers. It shares functional similarities with other models in the series but differs in package and temperature rating. The CGN variant specifically denotes the commercial grade operating range and the SSOP-16 physical footprint, distinguishing it from industrial or SOIC package options available within the same product line.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible substitutes within the LTC1775 family, such as the IS version for extended temperature ranges. Verify that any replacement maintains the same VDS sensing functionality and MOSFET drive capabilities to ensure circuit compatibility without redesign.