LM5575MHX

Voltage Regulators - DC DC Switching Regulators Overview

The LM5575MHX is a high-voltage synchronous buck switching regulator manufactured by Texas Instruments. It integrates a 75V N-channel power switch and delivers up to 1.5A of output current. The device supports input voltages from 6V to 75V, with an adjustable output range from 1.225V to 70V. It features programmable switching frequencies between 50kHz and 500kHz. The component operates within a temperature range of -40°C to +150°C and is housed in a 16-pin HTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage N-channel power switch for simplified design
• Supports wide input voltage ranges suitable for industrial applications
• Features adjustable switching frequency for optimization of external components
• Includes comprehensive protection mechanisms against overcurrent and thermal stress

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures
• High-voltage battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and RoHS compliance status when ordering, as variants such as LM5575MHX-NOPB exist. Confirm package availability and lead times directly with authorized distributors or the manufacturer. Ensure the selected variant meets the required automotive or industrial qualification standards for your specific application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high input voltage tolerance and significant output current. Consider the thermal performance of the HTSSOP package under full load conditions. Evaluate the need for external compensation based on the chosen switching frequency and output capacitance. Compare against lower-current family members if system requirements allow for reduced size.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM557x family of high-voltage synchronous buck regulators. It shares architectural similarities with the LM5574 but offers higher current capability. The family is designed for robust performance in harsh environments, featuring integrated control logic and power stages to minimize external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM5575MHX-NOPB is a non-phosphorus equivalent variant. Verify pin compatibility and electrical specifications before substitution. Other family members like the LM5574 offer similar functionality with different current ratings.