LM2597MX-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2597MX-5.0/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a 150 kHz step-down voltage regulator. It provides a fixed 5 V output with a maximum current of 500 mA. The device operates within an input voltage range of 4.5 V to 60 V and features a buck topology. It is housed in an SOIC-8 surface-mount package and supports an operating temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic switching regulator designed for high-efficiency step-down conversion
• Fixed internal feedback network ensures stable regulated output without external adjustment components
• Built-in thermal shutdown and current limit protection mechanisms safeguard against overload conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring efficient voltage reduction
• Pre-regulator stages for linear post-regulators
• Battery-powered equipment utilizing high-voltage sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) to confirm lead-free compliance and RoHS status. Ensure the MX variant matches the required SOIC-8 package dimensions. Cross-reference the manufacturer datasheet for exact pinout configurations and recommended external component values to guarantee circuit stability and performance specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from a wide input voltage range up to 60 V. The 500 mA current rating suits low-to-medium power applications. Consider the SOIC-8 package for space-constrained designs. Verify that the 150 kHz switching frequency aligns with electromagnetic interference constraints and inductor size requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2597 family of SIMPLE SWITCHER converters. It shares core architecture with the standard LM2597 but is optimized for high-voltage inputs. The series is known for reducing design complexity by integrating the controller, driver, and switch into a single IC, minimizing external component count compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2597HVMX-5.0/NOPB: Verified equivalent offering identical electrical characteristics and pinout compatibility.