LM2576SX-3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM2576SX-3.3 product

LM2576SX-3.3

PMIC - Voltage Regulators - DC DC Switching Regulators

Buck Converter3A3.3VTO-263

The LM2576SX-3.3 is a fixed 3.3V, 3A step-down switching regulator operating at 52kHz, suitable for efficient power conversion in industrial and consumer applications.

Best for

  • General purpose DC-DC step-down conversion
  • On-card switching regulators

Avoid if

  • Applications requiring high switching frequencies (>100kHz)
  • Space-constrained designs where a smaller package is mandatory

Check before use

  • Thermal dissipation requirements
  • Inductor selection for 52kHz operation

Key specifications

Output Voltage
3.3 V
Max Output Current
3 A
Switching Frequency
52 kHz

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SupplyIndustrial

CAD Models

Download ECAD models for LM2576SX-3.3: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation.