LM5018MRX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5018MRX/NOPB is a synchronous buck regulator from Texas Instruments featuring current mode control. It operates with an input voltage range of 4.5 V to 100 V and delivers up to 300 mA output current. The device integrates a high-side N-channel MOSFET and supports switching frequencies up to 1 MHz. It functions within a temperature range of -40°C to +125°C and utilizes an SO-PowerPAD-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 100 V rated N-channel power switch for high-voltage step-down applications
• Supports adjustable switching frequencies up to 1 MHz to optimize external component size
• Includes programmable soft-start and cycle-by-cycle current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MRX' indicates tape-and-reel packaging distinct from tube variants. Confirm RoHS compliance status via the official datasheet. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring wide input voltage ranges and integrated high-side switching. Evaluate thermal performance requirements based on the SO-PowerPAD-8 package capabilities. Compare against non-synchronous alternatives if efficiency at light loads is not a primary constraint.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5018 family of high-voltage synchronous buck regulators. It shares architectural similarities with other TI PMICs but is distinguished by its 100 V rating and integrated power stage, targeting robust industrial and automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for equivalent high-voltage buck controllers. Verify pin compatibility and electrical specifications before replacing with similar Texas Instruments or third-party components.