LM2576T-5.0/LF02

$2.91

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

SKU:9730852bb0cb Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2576T-5.0/LF02 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 LM2576T-5.0/LF02

Description：IC REG BUCK 5V 3A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Bulk,Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：40V
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 LM2576T-5.0/LF02

LM2576T-5.0/LF02

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576T-5.0/LF02 is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator in a TO-220-5 through-hole package. It provides a fixed 5V output with a maximum switch current of 3A. The device operates from an input voltage range of 4V to 40V at a fixed switching frequency of 52kHz. It features internal frequency compensation and a fixed-frequency oscillator for ease of design. The component supports operation over an extended temperature range from -40°C to +125°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated power switch rated for 3A continuous load current
Fixed 52kHz switching frequency simplifies external component selection
Internal frequency compensation reduces required external parts count
Built-in thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation modules
Pre-regulators for downstream linear regulators
Efficient buck converters for battery-powered systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LF02 against the manufacturer datasheet to confirm lead-free status and tape-and-reel packaging specifications. Ensure the ordering part number matches the exact pinout and electrical characteristics required for the target application circuit design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from an input voltage between 4V and 40V. The TO-220-5 package is suitable for applications requiring through-hole mounting and adequate heat dissipation for up to 3A loads without additional heatsinking under moderate conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 series of SIMPLE SWITCHER regulators, which are designed for high-efficiency, easy-to-use step-down DC/DC conversion. The series offers a balance of performance and simplicity, utilizing a fixed-frequency architecture to minimize external component requirements while maintaining stable regulation across varying line and load conditions.