LM5115AMT/NOPB

Power Supply Controllers, Monitors Overview

The LM5115AMT/NOPB is a secondary side post regulator and synchronous buck controller manufactured by Texas Instruments. It operates with an input voltage range of 0V to 42V and provides a regulated output voltage from 750mV to 13.5V. The device supports a maximum output current of 2.5A and features a switching frequency of 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

• Integrated secondary side controller for post-regulation applications
• Supports synchronous buck topology with power-up and power-down tracking
• Operates over a wide input voltage range suitable for various bus voltages

Power Supply Controllers, Monitors Applications

• Secondary side post regulation in isolated DC-DC converters
• Synchronous buck converter designs requiring precise output tracking
• Power systems utilizing power-up and power-down sequencing

Power Supply Controllers, Monitors Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the component meets all environmental and regulatory requirements for the intended application. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and availability status.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing secondary side post regulators that require synchronous buck control. Ensure the design accommodates the specified input voltage range and output current capabilities. Consider the thermal performance within the operating temperature range and verify compatibility with the chosen packaging style for surface mount assembly.

Power Supply Controllers, Monitors Part Context

This device belongs to the LM5115 family of secondary side controllers. It is designed to provide robust post-regulation in complex power supply architectures. The component integrates essential control features for synchronous rectification and tracking, making it suitable for high-efficiency power conversion systems.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes such as the LM25115AMTX or LM5115SDX/NOPB. Verify pin compatibility and electrical specifications before substitution. Consult official documentation for any functional differences between variants.