LM5574MT/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5574MT/NOPB is a switching voltage regulator from Texas Instruments, classified as a Simple Switcher step-down (buck) converter. It features an adjustable output voltage range of 1.225 V to 70 V and supports a maximum output current of 500 mA. The device operates with an input voltage range of 6 V to 75 V and includes a programmable switching frequency between 50 kHz and 500 kHz. It is housed in a TSSOP-16 surface-mount package and functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for non-isolated DC/DC conversion
• Adjustable output voltage capability up to 70 V
• Programmable switching frequency for optimization

Voltage Regulators - DC DC Switching Regulators Applications

• General-purpose DC/DC step-down regulation
• Power supply modules requiring high input voltage tolerance
• Industrial control systems operating in wide temperature ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MT' corresponds to the TSSOP-16 tube packaging configuration when ordering. Confirm that the NOPB designation ensures compliance with RoHS standards and absence of specified hazardous substances. Cross-reference the manufacturer's latest documentation to ensure component availability and check for any product change notices affecting this specific part number before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a robust buck converter capable of handling input voltages up to 75 V. The adjustable output feature allows flexibility for various load requirements within the 1.225 V to 70 V range. Ensure the design accommodates the thermal performance limits defined by the TSSOP-16 package and the operational temperature range of -40 °C to +125 °C for reliable long-term operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5574 series of Simple Switcher regulators, designed for efficient power management applications. It represents a solution for converting higher input voltages to stable lower or adjustable outputs. The series is characterized by its simplicity and reliability in industrial and commercial environments where space constraints favor surface-mount technology.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.