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  1. Home
  2. /Products
  3. /Integrated Circuits - ICs
  4. /Power Management ICs
  5. /LM3940IT-3.3/NOPB
LM3940IT-3.3/NOPB thumbnail 1
Texas Instruments

LM3940IT-3.3/NOPB

Category
Power Management ICs
Manufacturer
Texas InstrumentsDetails
RoHS Status
Datasheet
Description
1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status4750
QuantityLM3940IT-3.3/NOPB
Country

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Specification
Product Details
Documentation
TypeDescriptionTypeDescription
RatingCatalogVin (max) (V)5.5
Vin (min) (V)4.5Iout (max) (A)1
Output optionsFixed OutputVout (max) (V)3.3
Vout (min) (V)3.3Fixed output options (V)3.3
Noise (µVrms)150PSRR at 100 KHz (dB)32
Iq (typ) (mA)0.11Thermal resistance θJA (°C/W)23, 40.9, 59.3
Load capacitance (min) (µF)33Regulated outputs (#)1
Accuracy (%)2.5Dropout voltage (Vdo) (typ) (mV)310
Operating temperature range (°C)-40 to 125PackageSOT-223 (DCY)
Pins4Size45.5 mm² 6.5 x 7
Certified Quality & Compliance
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YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
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Product FAQ
Purchasing FAQ

What type of component is LM3940IT-3.3/NOPB, and what package does it use?

LM3940IT-3.3/NOPB is an authentic electronic component manufactured by Texas Instruments, categorized under Power Management ICs. It is supplied in the standard SOT-223 (DCY) package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official LM3940IT-3.3/NOPB datasheet above.

Why is pricing for LM3940IT-3.3/NOPB available via RFQ rather than a fixed checkout price?

Electronic component spot-market pricing for LM3940IT-3.3/NOPB fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

How quickly can LM3940IT-3.3/NOPB be shipped once quoted?

Lead times for LM3940IT-3.3/NOPB depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

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