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  1. Home
  2. /Products
  3. /Integrated Circuits - ICs
  4. /Power Management ICs
  5. /LMR51440SQDRRRQ1
LMR51440SQDRRRQ1 thumbnail 1
Texas Instruments

LMR51440SQDRRRQ1

Category
Power Management ICs
Manufacturer
Texas InstrumentsDetails
RoHS Status
Datasheet
Description
Automotive, 36V, 4A Synchronous buck converter with low Iq
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status7720
QuantityLMR51440SQDRRRQ1
Country

Get Tiered Pricing (Submit RFQ)

Specification
Product Details
Documentation
TypeDescriptionTypeDescription
RatingAutomotiveTopologyBuck
Iout (max) (A)4Vin (max) (V)38
Vin (min) (V)4Vout (max) (V)28
Vout (min) (V)0.8FeaturesEnable, Forced PWM, Light Load Efficiency, Power good, Spread Spectrum, Synchronous Rectification, UVLO adjustable
EMI featuresSpread SpectrumControl modecurrent mode
Switching frequency (min) (kHz)200Switching frequency (max) (kHz)1100
TI functional safety categoryFunctional Safety-CapableOperating temperature range (°C)-40 to 125
Iq (typ) (µA)25Duty cycle (max) (%)97.4
TypeConverterPackageWSON (DRR)
Pins12Size9 mm² 3 x 3
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 LMR51440SQDRRRQ1, and what package does it use?

LMR51440SQDRRRQ1 is an authentic electronic component manufactured by Texas Instruments, categorized under Power Management ICs. It is supplied in the standard WSON (DRR) 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 LMR51440SQDRRRQ1 datasheet above.

Why is pricing for LMR51440SQDRRRQ1 available via RFQ rather than a fixed checkout price?

Electronic component spot-market pricing for LMR51440SQDRRRQ1 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 LMR51440SQDRRRQ1 be shipped once quoted?

Lead times for LMR51440SQDRRRQ1 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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