LM5010MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5010MHX/NOPB is a high-voltage synchronous buck switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 6V to 75V and provides a regulated output voltage adjustable from 2.5V to 70V. The device supports a continuous output current of 1A and features a programmable switching frequency ranging from 100kHz to 1MHz. It is housed in a 14-pin HTSSOP package with an exposed pad for thermal management. The component functions within a junction temperature range of -40°C to 150°C, ensuring reliability in demanding industrial environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency without external Schottky diodes
• Wide input voltage capability supporting direct connection to 48V bus systems
• Programmable switching frequency allows optimization for size and performance trade-offs
• Built-in soft-start and cycle-by-cycle current limiting for robust protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supplies and distributed power architectures
• Point-of-load regulation for high-voltage buses
• Automotive electronics requiring wide input voltage tolerance
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MHX' confirms the tape-and-reel packaging format distinct from tube-packaged variants like 'MH'. Confirm RoHS compliance status via the official datasheet as manufacturing sites may vary. Ensure the ordering part number matches the exact temperature grade and package dimensions required for your PCB footprint. Cross-reference the latest revision history for any pinout or electrical specification updates before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-inductor solution is needed for high-voltage step-down applications requiring up to 1A load current. The adjustable frequency feature allows designers to minimize passive component size while maintaining acceptable ripple. Consider the thermal performance of the HTSSOP package and ensure adequate copper area on the PCB for heat dissipation. Verify that the minimum input voltage meets the lowest expected supply level during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5010 family of high-voltage synchronous buck regulators designed for industrial and automotive markets. It shares functional similarities with other members like the LM5010AMHX but differs in specific grading or packaging options. The family is characterized by its ability to handle high input voltages directly, reducing the need for pre-regulation stages in complex power systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM5010AMHX/NOPB is a verified alternative within the same family offering similar electrical characteristics. Designers should verify pin compatibility and thermal requirements when substituting between MH and AMHX suffixes. Other LM5010 variants may differ in packaging or operating temperature ranges.