LM2594M-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594M-12 is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, housed in an 8-SOIC package. It operates with an input voltage range of 4.5 V to 40 V and provides a fixed 12 V output at up to 500 mA. The device features a 150 kHz switching frequency and includes internal compensation for minimal external component count. It supports shutdown functionality and operates within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck converter topology simplifies design by requiring few external components
• Fixed 12 V output eliminates the need for external feedback resistors
• Internal frequency compensation reduces bill of materials and board space
• Shutdown pin enables power management through low quiescent current mode

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Input voltage step-down for microcontroller power supplies
• Battery-powered equipment requiring efficient voltage conversion
• Industrial control system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the datasheet to confirm the fixed 12 V output variant. Ensure the SOIC-8 package matches the target PCB footprint. Confirm RoHS compliance status if required by specific manufacturing standards. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from a wide input voltage range up to 40 V. The 500 mA output current capability suits moderate load applications. Consider the 150 kHz switching frequency for balancing efficiency and passive component size. Verify thermal performance requirements for the SOIC-8 package under expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2594 family of SIMPLE SWITCHER regulators. It shares architectural similarities with other variants in the series but differs in output configuration. The LM2594 series is designed for high-efficiency DC-DC conversion with minimal external support circuitry.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2594MX-12/NOPB or LM2594M-ADJ/NOPB as potential functional equivalents. Verify pin compatibility and electrical specifications before substitution. Ensure the replacement maintains the same output voltage and current ratings.