LM5575MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5575MHX/NOPB is a high-voltage synchronous buck switching regulator from Texas Instruments, designed for automotive and industrial applications. It operates with an input voltage range of 6 V to 75 V and delivers up to 1.5 A output current. The device features adjustable output voltages from 1.225 V to 70 V and supports switching frequencies between 50 kHz and 500 kHz. Packaged in a 16-pin HTSSOP, it meets AEC-Q100 qualification standards and functions within a temperature range of -40°C to +150°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency across load ranges
• Wide input voltage capability supporting high-voltage bus architectures
• Automotive-grade reliability certified under AEC-Q100 standards

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment and body control modules
• Industrial power distribution systems
• High-voltage point-of-load regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MHX' confirms tape-and-reel packaging when ordering. Confirm that the 'NOPB' designation indicates lead-free and RoHS compliance as per manufacturer specifications. Ensure the component matches the required AEC-Q100 grade if automotive validation is necessary. Cross-reference the datasheet revision date to confirm compatibility with existing design files.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-stage solution is required for high-input voltage conversion. Compare against non-synchronous alternatives if peak efficiency at light loads is critical. Consider thermal performance in the HTSSOP package relative to ambient conditions. Evaluate the fixed frequency options against noise-sensitive applications requiring spread spectrum capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family, characterized by integrated power switches and compact form factors. It complements lower-current variants like the LM5574 and higher-current models such as the LM5576 within the same product line. The series provides standardized pinouts and evaluation boards to accelerate development cycles for engineers designing robust power supplies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5575MH/NOPB serves as a tube-pack equivalent. LM5575Q0MH/NOPB offers automotive qualification with identical electrical parameters.