LM5010ASDX

Voltage Regulators - DC DC Switching Regulators Overview

The LM5010ASDX is a high-voltage 1-A step-down switching regulator from Texas Instruments. It features an input voltage range of 6 V to 75 V and integrates an 80-V N-channel power switch. The device utilizes a constant on-time control architecture that eliminates the need for loop compensation, ensuring rapid load transient response and stable operation across line and load variations. It offers a programmable switching frequency up to 1 MHz and adjustable output voltages starting from 2.5 V with ±2% reference accuracy. Additional protections include valley current limit detection at 1.25 A, thermal shutdown, and UVLO.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Constant on-time control architecture requiring no external loop compensation
• Integrated 80-V N-channel buck switch for simplified design
• Wide 6-V to 75-V input voltage operating range
• Programmable switching frequency up to 1 MHz

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures
• High-voltage battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's latest datasheet to confirm pinout compatibility and electrical specifications. Ensure the component meets required environmental standards for the target application. Cross-reference ordering information directly with Texas Instruments official documentation to avoid discrepancies in package type or temperature grade.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator for applications requiring wide input voltage ranges and simplified compensation networks. The constant on-time topology is suitable for designs prioritizing fast transient response without complex stability analysis. Consider the integrated 80-V switch rating when designing for high-voltage inputs. Evaluate thermal performance requirements based on the WSON-10 package and expected load currents.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM5010A series represents an enhanced version of the original LM5010, offering an extended minimum input voltage of 6 V compared to the standard model. This family includes automotive-grade variants such as the LM5010A-Q1, which complies with AEC-Q100 standards. The device belongs to Texas Instruments' portfolio of high-voltage DC-DC converters designed for robust industrial and automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM5010SDX/NOPB is a documented variant within the same functional family. Verify pin compatibility and specific electrical tolerances before substitution. Other members of the LM5010A series may offer different packaging or qualification levels.