LM2576HVT-5.0/LF03

$5.66

Description：IC REG BUCK 5V 3A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:bb40c456f138 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2576HVT-5.0/LF03 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 5V 3A TO220-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2576HVT-5.0/LF03

Description：IC REG BUCK 5V 3A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：60V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：3A
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-5 Formed Leads
Supplier Device Package：TO-220-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2576HVT-5.0/LF03

LM2576HVT-5.0/LF03

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVT-5.0/LF03 is a Texas Instruments SIMPLE SWITCHER power module designed for high-voltage step-down applications. It integrates a 3A current switch and operates with an input voltage range of 4V to 60V, delivering a fixed 5.0V output. The device utilizes a 52kHz switching frequency to allow the use of small inductors and capacitors. It features internal frequency compensation and a fixed 1.23V reference voltage for accurate regulation. The component is housed in a TO-220 package suitable for through-hole mounting.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a 3A current switch for direct high-current regulation without external pass transistors
Includes internal frequency compensation and a fixed 1.23V reference for stable loop performance
Supports wide input voltage ranges up to 60V for robust operation in varying supply conditions

Voltage Regulators - DC DC Switching Regulators Applications

Distributed power systems requiring high-voltage step-down conversion
Pre-regulators for downstream switching regulators
Battery-powered systems utilizing high-voltage sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LF03 against official Texas Instruments documentation to confirm lead-free status and RoHS compliance details. Ensure the ordering part number matches the exact package type and temperature rating required for the design. Cross-reference with the manufacturer's latest datasheet to confirm availability and any potential obsolescence notices before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from a high-voltage input source up to 60V. It is appropriate for designs needing integrated thermal protection and simple external component counts. Consider the TO-220 package for through-hole assembly requirements and verify that the 3A continuous current capability meets the load demands under expected operating temperatures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576HV series of SIMPLE SWITCHER power modules. These devices are known for combining control circuitry, drivers, and power switches into a single monolithic IC. The series is widely used in industrial and commercial applications where efficient, compact, and reliable DC-DC conversion is necessary.