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Product Specifications
  • AttributesAttribute Value
  • ManufacturerNational Semiconductor
  • CategoryIntegrated Circuits (ICs)
  • PackagesBulk
  • Standard Quantity156
  • DescriptionBuck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-220-5 Formed Leads
  • Package / CaseTO-220-5 Formed Leads
  • Output TypeFixed
  • Mounting TypeThrough Hole
  • Number of Outputs1
  • FunctionStep-Down
  • Current - Output3A
  • Operating Temperature-40°C ~ 125°C (TJ)
  • Output ConfigurationPositive
  • Frequency - Switching52kHz
  • Voltage - Input (Max)40V
  • TopologyBuck
  • Supplier Device PackageTO-220-5
  • Synchronous RectifierNo
  • Voltage - Input (Min)4V
  • Voltage - Output (Min/Fixed)3.3V

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Quality and Reliability

We supply 100% original and brand-new LM2576T-3.3/LF03 from National Semiconductor only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
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  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 960
Please send an RFQ for instant price and inventory.
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Multiples of 1

MORECustomer Reviews
  • Ma***co 
    Thank you for suggesting the replacement!! that saves us so much time
  • Ch***rl 
    Thank you for your prompt efficient service.
  • Na***tz 
    Doris, thank you again for the smooth handling of our first order. The parts have arrived an we are more than satisfied.I would like to request these and a few other parts again.
  • E***g 
    Thanks for your quick and efficient delivery!
  • Ba***er 
    Good quality. Very satisfied!

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Hard-to-find Electronic Components Distributor
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LM2576T-3.3/LF03

In Stock: 960 | For reference only.