LM2575T-15/LF03

$2.98

Description：IC REG BUCK 15V 1A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:8b3a84c8f738 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2575T-15/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 15V 1A TO220-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2575T-15/LF03

Description：IC REG BUCK 15V 1A 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)：40V
Voltage - Output (Min/Fixed)：15V
Voltage - Output (Max)：-
Current - Output：1A
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 LM2575T-15/LF03

LM2575T-15/LF03

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575T-15/LF03 is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator in a TO-220-5 through-hole package. It provides a fixed 15V output with a maximum current of 1A. The device operates from an input voltage range of 4V to 40V at a typical switching frequency of 52kHz. It features internal frequency compensation, thermal shutdown, and cycle-by-cycle current limiting. The component supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated SIMPLE SWITCHER architecture requiring minimal external components for buck conversion
Built-in thermal shutdown and cycle-by-cycle current limiting for system protection
Fixed-frequency oscillator eliminates the need for external timing adjustments

Voltage Regulators - DC DC Switching Regulators Applications

Distributed power supply architectures
Pre-regulator circuits for switching regulators
Efficient linear regulator replacements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LF03 against the manufacturer datasheet to confirm lead-free status and RoHS compliance. Confirm availability as distribution channels may list obsolete or discontinued variants. Ensure the TO-220-5 package matches your PCB footprint requirements before ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 15V output is required from an input voltage up to 40V. It serves as a direct replacement for standard three-terminal linear regulators where reduced heat dissipation is critical. Verify that the 1A load capacity meets the application's peak current demands.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2575 series of monolithic integrated step-down converters. The series is designed to drive loads up to 1A with excellent line and load regulation. It simplifies switch-mode power supply design by integrating the controller, driver, and protection circuits into a single package.