LM2597HVMX-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2597HVMX-ADJ/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, operating at a fixed 150 kHz switching frequency. It utilizes a Buck topology to provide an adjustable output voltage ranging from 1.2 V to 57 V with a maximum output current of 500 mA. The device supports a wide input voltage range and operates within a junction temperature range of -40 °C to +125 °C. Packaged in an SOIC-8 surface-mount format, it integrates the power switch and control circuitry for efficient step-down conversion.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage power switch capable of handling wide input voltage ranges without external components.
• Features a fixed 150 kHz internal oscillator to minimize external component count and facilitate compact design.
• Includes comprehensive protection mechanisms such as thermal shutdown and current limiting.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Battery-powered systems requiring step-down conversion
• Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix NOPB indicates lead-free and RoHS compliance when ordering. Confirm the MX suffix corresponds to the SOIC-8 tape and reel packaging configuration. Ensure the ADJ designation matches the requirement for an externally adjustable output voltage rather than a fixed voltage variant. Cross-reference the manufacturer part number with official datasheets to confirm pinout compatibility.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a simple buck converter solution with high input voltage tolerance. The adjustable output allows flexibility for various load requirements within the specified range. Consider the thermal performance in the SOIC-8 package for heat dissipation needs. Evaluate the 500 mA current limit against peak load demands to ensure adequate headroom.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2597HV series of SIMPLE SWITCHER converters. It is designed as a drop-in replacement for older generation regulators, offering improved efficiency and reduced external component requirements. The HV designation signifies its capability to operate with higher input voltages compared to standard variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include other LM2597HV series variants with compatible pinouts. Verify that substitute parts maintain the same SOIC-8 footprint and electrical characteristics. Check for equivalent thermal resistance values if operating near maximum temperature limits.