Datasheet Texas Instruments LM26420XSQ/NOPB

ManufacturerTexas Instruments
SeriesLM26420
Part NumberLM26420XSQ/NOPB
Datasheet Texas Instruments LM26420XSQ/NOPB

Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator 16-WQFN -40 to 125

Datasheets

LM26420/LM26420-Q0/Q1 Dual 2-A Automotive-Qualified, High-Efficiency Synchronous DC-DC Converter datasheet
PDF, 1.7 Mb, Revision: K, File published: Apr 27, 2016
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

Packaging

Pin16
Package TypeRUM
Industry STD TermWQFN
JEDEC CodeS-PQFP-N
Package QTY1000
CarrierSMALL T&R
Device MarkingL26420X
Width (mm)4
Length (mm)4
Thickness (mm).75
Pitch (mm).65
Max Height (mm).8
Mechanical DataDownload

Parametrics

Control ModeCurrent Mode
Duty Cycle(Max)98 %
Iout(Max)2 A
Iq(Typ)0.9 mA
Operating Temperature Range-40 to 125 C
Package GroupWQFN
RatingCatalog
Regulated Outputs2
Special FeaturesEnable,Light Load Efficiency,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification
Switching Frequency(Max)2200 kHz
Switching Frequency(Min)550 kHz
TypeConverter
Vin(Max)5.5 V
Vin(Min)3 V
Vout(Max)4.5 V
Vout(Min)0.8 V

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: LM26420XSQEVAL
    LM26420 2.2 MHz, LLP Synchronous Buck Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LM26420XMHEVAL
    LM26420 2.2 MHz, eTSSOP Synchronous Buck Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LM26420YMHEVAL
    LM26420 550 kHz, eTSSOP Synchronous Buck Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LM26420YSQEVAL
    LM26420 550 kHz, LLP Synchronous Buck Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • AN-1973 Benefits and Challenges of High-Frequency Regulators (Rev. A)
    PDF, 661 Kb, Revision: A, File published: Apr 23, 2013
    This application note considers both the benefits and challenges of using high-frequency regulators.

Model Line

Manufacturer's Classification

  • Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Converter (Integrated Switch)