LM2576HVSX-ADJ/E5001494

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVSX-ADJ/E5001494 is a Texas Instruments step-down switching regulator IC. It operates with an input voltage range of 4V to 60V and delivers a maximum output current of 3A. The device features an adjustable output voltage, typically ranging from 1.23V to 57V. It utilizes a fixed switching frequency of 52kHz. The component is housed in a TO-263-5 (DDPAK) surface-mount package. It supports operation across an extended temperature range of -40°C to +125°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic buck converter topology for efficient step-down conversion
• Adjustable output voltage capability via external feedback network
• Built-in thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• High-voltage DC-to-DC power supply modules
• Pre-regulator stages for linear post-regulators
• Efficient battery-powered systems requiring high input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix E5001494 against official Texas Instruments documentation to confirm exact pinout and electrical characteristics, as non-standard suffixes may indicate specialized packaging or testing configurations. Ensure compatibility with standard TO-263-5 footprints during integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high input voltage handling up to 60V with significant current capacity. The adjustable output feature provides flexibility for various voltage rails. Consider the TO-263-5 package for its thermal performance advantages over smaller SMD packages in high-power scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576HV series, designed for high-voltage step-down applications. Unlike the standard LM2576, the HV variant supports higher input voltages. The E5001494 suffix denotes a specific manufacturing lot or configuration within the broader LM2576 family, maintaining core functional equivalence with other adjustable variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM2576HVSX-ADJ/NOPB and LM2576HVT-ADJ/NOPB. Verify pin compatibility and thermal requirements when transitioning between surface-mount (S) and through-hole (T) packages.