LM25576MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25576MHX/NOPB is a 42-V, 3-A step-down switching regulator from Texas Instruments. It operates with an input voltage range of 6 V to 42 V and provides an adjustable output voltage from 1.225 V to 40 V. The device utilizes current-mode control for rapid transient response and supports switching frequencies between 50 kHz and 1 MHz. It features integrated overcurrent protection and thermal shutdown within a 20-pin HTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch rated for 42-V input applications
• Current-mode control architecture enabling fast transient response
• Adjustable switching frequency allows optimization for size and efficiency
• Built-in thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature rating. Ensure compatibility with required input voltage ranges and load currents. Confirm RoHS compliance status through manufacturer datasheets before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high input voltages up to 42 V with moderate current demands. Consider the adjustable frequency feature to minimize external passive component sizes. Evaluate thermal performance requirements based on the HTSSOP-20 package limitations under heavy load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the Simple Switcher family, designed for ease of use in DC/DC conversion. It serves as a robust solution for stepping down higher bus voltages to lower logic or sensor levels. The device integrates essential protection features typically found in discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM25576MH/NOPB offers identical electrical specifications but differs in packaging configuration. Verify pinout compatibility and thermal pad requirements when substituting between tape-and-reel and tube variants.