LM25576Q0MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25576Q0MHX/NOPB is a high-voltage step-down DC/DC switching regulator from Texas Instruments, designed for automotive and industrial applications. It operates with an input voltage range of 4.5V to 42V and delivers up to 3A of output current. The device features adjustable switching frequencies from 50kHz to 1MHz and includes integrated current mode control. It is housed in a 20-pin HTSSOP package and meets AEC-Q100 qualification standards for automotive use.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel power switch for simplified design
• Current-mode control architecture for fast transient response
• Frequency synchronization capability to reduce system noise
• Built-in thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• High-precision data acquisition power supplies
• Industrial point-of-load regulation
• Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q0' against official Texas Instruments documentation to confirm it denotes the qualified automotive grade variant within the LM25576 family. Ensure the ordering part number matches the exact pinout and thermal pad configuration required for your PCB layout. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range and high efficiency are required in a compact surface-mount package. It is suitable for designs needing adjustable output voltages down to 1.225V. Consider the thermal performance in the HTSSOP-20 package under maximum load conditions. Verify that the switching frequency range aligns with your electromagnetic interference constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the Simple Switcher family of regulators, known for ease of use and minimal external component requirements. The LM25576 series offers robust protection features and high efficiency. The 'Q' designation typically indicates automotive qualification, while 'NOPB' signifies lead-free and RoHS compliance. It serves as a versatile solution for various power management needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM25576QMH/NOPB or LM25576QMHX/NOPB as potential functional equivalents within the same family. Ensure any substitute maintains the same voltage rating, current capacity, and package dimensions. Verify that the replacement part holds the necessary AEC-Q100 certification if used in automotive applications.