LM2576SX-15

$1.58

Description：IC REG BUCK 15V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:7a9204386928 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2576SX-15 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 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2576SX-15

Description：IC REG BUCK 15V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)
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：3A
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：TO-263 (DDPAK-5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2576SX-15

LM2576SX-15

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576SX-15/NOPB is a SIMPLE SWITCHER® step-down voltage regulator from Texas Instruments, operating in a TO-263 (D²PAK) surface-mount package. It provides a fixed 15 V output with a maximum load current of 3 A. The device supports an input voltage range of 4 V to 60 V and operates at a fixed internal switching frequency of 52 kHz. It includes built-in thermal shutdown and current limiting protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Fixed 15 V output voltage option within the SIMPLE SWITCHER family
Integrated 52 kHz fixed-frequency oscillator for simplified design
Built-in thermal shutdown and cycle-by-cycle current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

Efficient buck converters replacing linear regulators
Pre-regulators for downstream linear regulators
On-card regulation for distributed power systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'NOPB' indicates lead-free and RoHS compliance. Confirm the package type matches the required PCB footprint. Check datasheet revisions for any pinout or electrical parameter updates before finalizing the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part for applications requiring a fixed 15 V output up to 3 A. Ensure the input voltage does not exceed 60 V. Consider thermal management requirements based on the voltage drop and load current in the specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576HV series, designed for high-voltage input applications up to 60 V. It serves as a direct replacement for older linear regulators, offering significantly higher efficiency and reduced heat dissipation needs in power supply designs.