LTC1775IGN#PBF

DC DC Switching Controllers Overview

The LTC1775IGN#PBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 36 V and supports output voltages from 1.19 V to 36 V. The device delivers up to 20 A of output current with a fixed switching frequency of 150 kHz. It utilizes MOSFET VDS sensing for current mode control, eliminating the need for external sense resistors. The component is housed in a 16-lead SSOP package and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Implements current mode control via MOSFET VDS sensing to remove the requirement for external sense resistors
• Drives external N-channel power MOSFETs using minimal external components
• Provides shutdown functionality for power management

DC DC Switching Controllers Applications

• High efficiency step-down converter designs
• Positive to negative converter circuits
• General DC to DC conversion systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the SSOP-16 package type matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit components.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high power density without the losses associated with sense resistors. It is suitable for designs needing adjustable output voltages up to 36 V. Consider the 150 kHz switching frequency for balancing component size and efficiency. Verify that external MOSFETs are compatible with the VDS sensing method for optimal performance.

DC DC Switching Controllers Part Context

This component belongs to the LTC1775 series of synchronous buck regulators. It shares core architecture with variants like LTC1775IS and LTC1775CGN but differs in package and temperature rating. The series is designed for efficient power conversion in industrial and commercial electronics.

DC DC Switching Controllers Replacement Considerations

LTC1775IS#TRPBF and LTC1775CGN are related variants within the same family. Verify package compatibility and temperature ranges before substitution.