LM25011Q1MY/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25011Q1MY/NOPB is an automotive-grade, synchronous buck DC-DC converter from Texas Instruments. It features a wide input voltage range of 3V to 42V and delivers up to 2A of output current. The device operates at a fixed switching frequency of 2.25MHz, enabling the use of small external components. It incorporates cycle-by-cycle current limiting and adjustable soft-start functionality. The controller supports adjustable output voltages from 2.51V to 40V. Designed for high reliability, it meets AEC-Q101 standards and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade qualification compliant with AEC-Q101 standards for robust performance in vehicle environments.
• Integrated synchronous rectification provides high efficiency across the load range without requiring external Schottky diodes.
• Fixed 2.25MHz switching frequency minimizes external component size while maintaining stable regulation.
• Built-in cycle-by-cycle current limit protects against short circuits and overloads during operation.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in automotive infotainment systems
• Power distribution modules for electronic control units (ECUs)
• Battery-powered automotive subsystems requiring efficient step-down conversion
• Industrial control systems operating under harsh environmental conditions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific part number includes the Q1 suffix to confirm automotive grade status. Ensure the package variant matches the required HVSSOP-10 configuration. Cross-reference the datasheet revision to confirm compatibility with existing design parameters. Confirm RoHS compliance details if restricted substances are a concern for the target market.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring high input voltage tolerance up to 42V. It is suitable for designs needing compact solutions due to the high 2.25MHz switching frequency. Consider this IC for loads drawing up to 2A where synchronous rectification improves overall system efficiency compared to asynchronous alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM25011 family of synchronous buck converters. It shares architectural similarities with non-automotive variants but differs in qualification standards and extended temperature ranges. The family is designed for general-purpose power management, with the Q1 variant specifically tailored for automotive reliability requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM25011MY/NOPB: Non-automotive equivalent with similar electrical specifications but lacking AEC-Q101 qualification.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The LM25011Q1MY/NOPB supports a maximum input voltage of 42V.

Does this device include internal synchronous rectifiers?

Yes, the device integrates both high-side and low-side N-channel MOSFETs for synchronous operation.