LTC3851IGN#TRPBF

DC DC Switching Controllers Overview

The LTC3851IGN#TRPBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 38 V and supports adjustable output voltages from 800 mV to 5.5 V. The device features a programmable switching frequency between 250 kHz and 750 kHz, with a maximum output current capability of 25 A. It utilizes a 16-lead SSOP package and functions reliably across an operating temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology for high-efficiency power conversion
• Programmable switching frequency allows optimization for size and performance
• Integrated control features including soft start and tracking capabilities

DC DC Switching Controllers Applications

• Point-of-load regulation in industrial systems
• Power distribution networks for embedded computing
• Telecommunications infrastructure equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging configuration. Confirm the IGN variant corresponds to the SSOP-16 package and industrial temperature grade. Ensure compatibility with external MOSFET selection for the required 25 A load current. Check for RoHS compliance documentation as specified in official datasheets.

DC DC Switching Controllers Selection Notes

Select this component when designing synchronous buck converters requiring wide input voltage ranges up to 38 V. The adjustable frequency feature enables trade-offs between efficiency and passive component size. Ensure the application demands precise output voltage regulation within the 800 mV to 5.5 V window. Consider thermal management requirements given the SSOP-16 package constraints for high-current applications.

DC DC Switching Controllers Part Context

This part belongs to the LTC3851 family of synchronous step-down DC/DC controllers. It is designed for applications requiring efficient power conversion from higher bus voltages to lower logic or processor supply levels. The device integrates gate drivers for external N-channel MOSFETs, simplifying the design of compact power stages.

DC DC Switching Controllers Replacement Considerations

LTC3851AIGN#TRPBF is a verified substitute within the same product family offering similar functionality.