LM5115AMTX

Power Supply Controllers, Monitors Overview

The LM5115AMTX is a secondary side post regulator and synchronous buck controller manufactured by Texas Instruments. It operates with an input voltage range of 5V to 30V and supports output voltages from 750mV to 13.5V. The device features a fixed switching frequency of 1MHz and delivers up to 2.5A of output current. 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

• Integrated synchronous buck controller for secondary side regulation
• Supports power-up and power-down tracking capabilities
• Designed for high-efficiency DC-DC conversion applications

Power Supply Controllers, Monitors Applications

• Secondary side post-regulation in isolated power supplies
• Synchronous buck converter designs
• Power systems requiring precise voltage tracking

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'AMTX' against official Texas Instruments documentation, as availability may vary. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure the component matches the required 16-TSSOP package and electrical specifications for your design.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing secondary side regulators requiring synchronous rectification control. Verify that the 1MHz switching frequency aligns with your thermal and efficiency targets. Ensure the 5V to 30V input range suits your auxiliary supply rail. Check compatibility with your gate drive requirements for external MOSFETs.

Power Supply Controllers, Monitors Part Context

The LM5115 series includes variants like LM5115MTCX/NOPB and LM5115SD/NOPB. These devices serve as secondary side controllers for isolated converters. The LM5115AMTX is part of this family, focusing on synchronous buck control and post-regulation tasks within complex power management architectures.

Power Supply Controllers, Monitors Replacement Considerations

LM5115MTCX/NOPB: Verified alternative in 16-TSSOP package. LM5115SD/NOPB: Alternative in 16-WSON package. Verify pinout and thermal performance differences before substitution.