LM2597MX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2597MX-ADJ/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, operating at a fixed switching frequency of 150 kHz. It features an adjustable output voltage range of 1.2 V to 37 V and supports a maximum output current of 500 mA. The device accepts an input voltage between 4.5 V and 40 V. It operates within a temperature range of -40°C to +125°C and has a typical quiescent current of 5 mA. The component is housed in an SOIC-8 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 150 kHz oscillator for efficient step-down conversion with minimal external components.
• Includes internal frequency compensation and current limit protection for stable operation.
• Offers shutdown capability to reduce standby power consumption.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Pre-regulators for switching regulators
• Efficient buck converters for battery-powered devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MX indicates tape-and-reel packaging when sourcing. Confirm the ADJ designation matches the required adjustable voltage configuration. Ensure the NOPB suffix confirms lead-free and RoHS compliance status. Cross-reference the manufacturer part number against official datasheets to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring moderate output currents up to 500 mA with high efficiency. The adjustable output allows flexibility for various voltage rails. Consider the SOIC-8 package for space-constrained designs. Evaluate thermal performance given the operating temperature range and power dissipation requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2597 series of SIMPLE SWITCHER regulators. It shares architectural similarities with the LM2596 but offers lower output current capabilities. The series is designed for easy implementation of DC-DC step-down conversions with minimal external circuitry requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2597M-ADJ/NOPB is a tube-packaged equivalent. LM2596SX-ADJ/NOPB offers higher current capacity but different thermal characteristics. Verify pin compatibility and electrical specifications before substitution.