LM2594M-12/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594M-12/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments. 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 utilizes a 150 kHz switching frequency and features internal compensation for minimal external components. It supports shutdown functionality and operates within a junction temperature range of -40°C to +125°C. The component is housed in an 8-SOIC surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated power switch enables compact design with low external component count
• Fixed 12 V output eliminates need for external feedback resistors
• Internal frequency compensation simplifies circuit layout and stability

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital logic circuits
• Pre-regulation for downstream linear regulators
• Battery-powered systems requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as NOPB to ensure lead-free compliance and specific packaging options like cut tape or reel. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Check current datasheet revisions for any updates to thermal characteristics or absolute maximum ratings before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from inputs between 4.5 V and 40 V. It is suitable for applications prioritizing simplicity and low component count over adjustable output flexibility. Consider the 500 mA current limit and 150 kHz switching frequency when designing input and output filter networks. Ensure thermal management strategies account for the SOIC-8 package limitations under high load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2594 family of SIMPLE SWITCHER regulators, designed for high-efficiency buck conversion. The M suffix indicates an 8-SOIC surface-mount package variant. The NOPB suffix denotes a lead-free and RoHS-compliant manufacturing process. This series is widely used in industrial and consumer electronics for reliable DC-DC power conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-compatible replacements include other LM2594 variants with different fixed outputs (e.g., LM2594M-5.0/NOPB) or adjustable versions (LM2594M-ADJ/NOPB). Verify that substitute parts maintain the same 40 V maximum input rating and 500 mA current capability to ensure circuit compatibility without redesign.