LTC3851EGN#TRPBF

DC DC Switching Controllers Overview

The LTC3851EGN#TRPBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4 V to 38 V and delivers up to 25 A output current. The adjustable output voltage spans from 800 mV to 5.5 V. The device supports programmable switching frequencies between 250 kHz and 750 kHz. It functions within an ambient temperature range of -40°C to +85°C and is housed in a 16-lead SSOP package.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology with integrated high-side and low-side gate drivers for external MOSFETs
• Programmable switching frequency allows optimization for efficiency or component size
• Supports tracking, soft-start, and current limit control features

DC DC Switching Controllers Applications

• Point-of-load regulation for processors and memory
• Industrial equipment power distribution
• Telecommunications infrastructure systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging with lead-free composition. Confirm the SSOP-16 package dimensions match 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 confirm availability status.

DC DC Switching Controllers Selection Notes

Select this controller when designing single-output synchronous buck converters requiring wide input voltage ranges. It is suitable for applications needing precise voltage tracking and programmable frequency settings. Consider external MOSFET selection based on the 25 A current capability and thermal management needs. Evaluate the 16-SSOP package constraints against board space limitations.

DC DC Switching Controllers Part Context

This component belongs to the LTC3851 series of synchronous step-down controllers. It is designed for high-current applications requiring efficient power conversion. The device integrates essential control loops for stable operation. It serves as a core power management solution in systems demanding reliable DC-DC conversion.

DC DC Switching Controllers Replacement Considerations

Consult Analog Devices documentation for direct pin-compatible alternatives within the same family. Verify electrical parameters such as input voltage range and output current capacity before substitution. Check package compatibility and thermal characteristics to ensure seamless integration.