LM25115AMTX

Power Supply Controllers, Monitors Overview

The LM25115AMTX is a synchronous buck controller designed for secondary side post-regulation applications. It operates with an input voltage range of 4.5V to 30V and supports output voltages from 750mV to 13.5V. The device delivers up to 2.5A output current and features a switching frequency adjustable between 50kHz and 1MHz. It is housed in a 16-TSSOP package and functions within a temperature range of -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Supports secondary side post-regulation topology for improved transient response
• Enables power-up and power-down tracking capabilities
• Includes integrated soft-start functionality

Power Supply Controllers, Monitors Applications

• Secondary side post-regulator circuits
• DC-DC converter systems requiring tracking
• Industrial power management modules

Power Supply Controllers, Monitors Procurement Notes

Verify component status as the LM25115AMTX is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing design specifications before procurement, as replacement components may require circuit adjustments.

Power Supply Controllers, Monitors Selection Notes

Select this controller for applications requiring precise secondary side regulation and synchronized operation. Consider the 16-TSSOP package constraints and thermal performance requirements. Evaluate the need for external synchronization signals and ensure the input voltage range aligns with the system's primary supply rails.

Power Supply Controllers, Monitors Part Context

This component belongs to the Texas Instruments LM25115 family of synchronous buck controllers. It is specifically engineered for secondary side post-regulation tasks, distinguishing it from standard primary-side regulators. The AMTX suffix indicates a specific tape and reel packaging variant within the broader product line.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers include LM25115MTX/NOPB and LM25115AMT/NOPB. Verify pinout compatibility and electrical specifications when substituting.