MPQ2143

Industrial Grade, 3A, 5.5V, 1.2MHz, 40μA IQ, COTSynchronous Step-Down Switcher AEC-Q100 Qualified

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MPQ2143

NOT RECOMMENDED FOR NEW DESIGNS

Industrial Grade, 3A, 5.5V, 1.2MHz, 40μA IQ, COTSynchronous Step-Down Switcher AEC-Q100 Qualified

MPQ2143 continues to be in production for existing customers. Please consider this alternative for new designs:

MPQ2179GQHE-AEC1

Active

MPQ2179GQHE-AEC1

Active

5.5V, Peak 3A, 2.4MHz, Synchronous Step-Down Converter with PG and SS, AEC-Q100 Qualified

Features & Benefits

  • Wide 2.5V to 5.5V Operating Input Voltage (VIN) Range
  • Up to 3A Peak Output Current (IOUT)
  • 2.4MHz Switching Frequency (fSW)
  • EN for Power Sequencing
  • 1% FB Accuracy
  • Output Voltage (VOUT) Adjustable from 0.6V
  • 65mΩ and 35mΩ Internal Power MOSFET Switches
  • 100% Duty Cycle On
  • Output Discharge
  • Power Good (PG)
  • External Soft Start (SS) Control
  • Output Over-Voltage Protection (OVP)
  • Short-Circuit Protection (SCP) with Hiccup Mode
  • Forced Continuous Conduction Mode (FCCM)
  • Available in a QFN-8 (1.5mmx2mm) Package
  • Available in a Wettable Flank Package
  • Available in AEC-Q100 Grade 1

… and many more!

Active Part Numbers:

MPQ2143DJ-LF-P MPQ2143DJ-LF-Z

Meaning of P & Z Show more

Design Resources

Symbol, Footprint & 3D Model
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Cad Symbols Symbols (36)
Cad Footprints Footprint (34)
Cad 3D Models 3D Models (15)

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Standard Pricing


In stock

MPQ2143DJ-LF-Z MPQ2143DJ-LF-P Info Icon
  • Package: TSOT23-8

3,000 per Reel

Buy Now Price $1.30 1K

  • Quantity Unit Price
  • 1
    $2.74
  • 10
    $2.45
  • 100
    $2.06
  • 250
    $1.96
  • 500
    $1.72
  • 1K
    $1.30
Special Pricing Available for
Larger Quantities
Quote
In stock now: 50,000

Order now, up to 50,000 estimated to ship by 25 Jul, 2025

Lead Time For Additional Quantities

Additional quantities estimated to ship by 09 Nov, 2025


3,000 per Reel

Arrives 3-4 business days. Shipping only $5 per order.


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Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.