LTC3727LXEG-1#PBF

DC DC Switching Controllers Overview

The LTC3727LXEG-1#PBF is a high-efficiency, dual-phase synchronous step-down switching regulator controller manufactured by Analog Devices Inc. Designed for robust power management applications, it operates with an input voltage range of 4 V to 36 V and delivers up to 25 A of output current across two independent channels. The device supports adjustable output voltages from 800 mV to 14 V and features a fixed switching frequency of 550 kHz. It is housed in a 28-lead SSOP package and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Dual-phase synchronous buck control architecture for enhanced current sharing and thermal performance
• Integrated soft-start functionality to manage inrush currents during startup sequences
• Built-in power good signal monitoring for system status indication and sequencing

DC DC Switching Controllers Applications

• Point-of-load regulation for industrial equipment
• Power distribution systems in telecommunications infrastructure
• Embedded computing platforms requiring stable dual-rail supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix configuration against official Analog Devices documentation to ensure compatibility with required packaging and temperature grades. Confirm that the SSOP-28 footprint matches the target PCB layout constraints. Cross-reference the datasheet revision history for any recent design changes or laser marking updates that may affect assembly processes.

DC DC Switching Controllers Selection Notes

Select this component when a compact, dual-channel solution is required for mid-range voltage conversion tasks. Ensure the external inductor and capacitor values are calculated to support the 550 kHz switching frequency while maintaining stability under varying load conditions. Consider the thermal dissipation requirements of the SSOP-28 package for the intended operating environment.

DC DC Switching Controllers Part Context

This part belongs to the LTC3727 family of synchronous step-down regulators, which are optimized for efficiency and ease of use in multi-phase configurations. The LXEG variant specifically denotes the lead-free, halogen-free RoHS-compliant version packaged in SSOP-28. It serves as a core controller for generating regulated DC voltages from higher bus voltages.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers: None identified.