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  3. /Integrated Circuits - ICs
  4. /Power Management ICs
  5. /LM5149RGYR
LM5149RGYR thumbnail 1
Texas Instruments

LM5149RGYR

Category
Power Management ICs
Manufacturer
Texas InstrumentsDetails
RoHS Status
Datasheet
Description
80-V synchronous buck DC/DC controller with ultra-low IQ and integrated active EMI filter
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status3140
QuantityLM5149RGYR
Country

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Specification
Product Details
Documentation
TypeDescriptionTypeDescription
RatingCatalogTopologyBuck
Iout (max) (A)20Vin (max) (V)80
Vin (min) (V)3.5Vout (max) (V)55
Vout (min) (V)0.8Control modecurrent mode
FeaturesAdjustable current limit, Enable, Light Load Efficiency, Load Disconnect, Output discharge, Phase Interleaving, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO adjustableOperating temperature range (°C)-40 to 150
Iq (typ) (µA)9.5Duty cycle (max) (%)99
Number of phases2EMI featuresActive EMI filter, Spread Spectrum
PackageVQFN (RGY)Pins24
Size19.25 mm² 5.5 x 3.5REACH StatusYes
RoHS StatusRoHS Compliant
Certified Quality & Compliance
Purchase & Inquiry
Secure Packaging
Shipping & Availability
Payment

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 LM5149RGYR, and what package does it use?

LM5149RGYR is an authentic electronic component manufactured by Texas Instruments, categorized under Power Management ICs. It is supplied in the standard VQFN (RGY) 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 LM5149RGYR datasheet above.

Why is dynamic quotation used instead of a fixed price for LM5149RGYR?

Electronic component spot-market pricing for LM5149RGYR 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.

What is the delivery timeline after placing an order for LM5149RGYR?

Lead times for LM5149RGYR 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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