LM2594M-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594M-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, housed in an 8-pin SOIC surface-mount package. It operates with an input voltage range of 4.5V to 40V and provides an adjustable output voltage between 1.2V and 37V. The device delivers a maximum output current of 500mA at a fixed switching frequency of 150kHz. It features internal frequency compensation for minimal external component requirements and includes thermal shutdown protection. The operational temperature range spans from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-frequency switch eliminates the need for bulky external components
• Adjustable output voltage capability via single external resistor network
• Built-in thermal shutdown circuitry protects against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring efficient buck conversion
• Pre-regulator circuits for downstream switching regulators
• Linear regulator pre-regulation to improve efficiency and reduce heat dissipation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the ordering suffix matches the required package type and lead-free status. Confirm the specific voltage rating aligns with system requirements, as variations exist within the family. Ensure compatibility with standard SOIC-8 footprint dimensions during PCB layout. Cross-reference datasheet specifications for thermal performance under expected load conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a non-isolated buck topology is required with moderate current demands up to 500mA. It is suitable for applications where a fixed 150kHz switching frequency is acceptable. Consider alternative models if higher output currents or different input voltage ranges are necessary. Evaluate thermal management needs based on the difference between input and output voltages.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2594 series of SIMPLE SWITCHER regulators, designed for straightforward implementation of DC-DC conversion. The 'M' designation indicates the SOIC surface-mount package variant, while 'ADJ' specifies the adjustable output configuration. The 'NOPB' suffix denotes a lead-free product compliant with RoHS standards, ensuring environmental safety and regulatory adherence for modern electronics manufacturing.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2594MX-ADJ/NOPB serves as a direct equivalent with identical electrical characteristics and pinout compatibility.