LM5010AQ0MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5010AQ0MHX/NOPB is an automotive-grade, wide input voltage buck switching regulator from Texas Instruments. It supports an input voltage range of 6 V to 75 V and delivers up to 1 A of output current. The device features a fixed on-time control architecture that eliminates the need for external loop compensation. It integrates an 80 V N-channel power switch and operates with a programmable switching frequency between 50 kHz and 1 MHz. The component meets AEC-Q100 Grade 0 standards, ensuring reliability in harsh environments with an operating junction temperature range from -40 °C to +150 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 0 specifications for extended temperature operation.
• Fixed on-time control topology provides rapid transient response without requiring external error amplifier compensation.
• Integrated high-voltage bias supply and 80 V N-channel switch simplify circuit design and reduce component count.
• Valley current limit detection ensures robust protection against short circuits and overload conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Industrial motor drives

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q0' confirms Automotive Grade 0 qualification (-40°C to +150°C) rather than Grade 1. Confirm the HTSSOP-14 package matches your PCB footprint requirements. Ensure the ordering part number includes the '/NOPB' designation if lead-free compliance is required. Cross-reference the manufacturer datasheet revision to confirm pinout consistency before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring high input voltages up to 75 V. The fixed on-time architecture is suitable for designs prioritizing fast transient response and simplified compensation networks. Consider the thermal performance of the exposed pad in the HTSSOP-14 package for heat dissipation. Verify that the required output voltage falls within the adjustable range supported by the internal feedback reference.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5010A family of high-voltage step-down regulators. It serves as an enhanced version of the standard LM5010, offering improved input voltage ranges and automotive-grade reliability options. The family is designed to replace linear regulators in high-voltage industrial and automotive systems where efficiency and thermal management are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5010AMHX/NOPB: Commercial grade equivalent with similar electrical characteristics but different temperature ratings.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LM5010AQ0MHX/NOPB require external loop compensation?

No, the device utilizes a fixed on-time control scheme that does not require external loop compensation components.

What is the maximum input voltage supported by this regulator?

The regulator supports a wide input voltage range extending up to 75 V.