Datasheet Texas Instruments LM25117PSQ/NOPB — Datenblatt

HerstellerTexas Instruments
SerieLM25117
ArtikelnummerLM25117PSQ/NOPB
Datasheet Texas Instruments LM25117PSQ/NOPB

4,5-42 V Wide Vin, Synchron-Buck-Controller im aktuellen Modus mit Tracking 24-WQFN

Datenblätter

LM25117/Q1 Wide Input Range Synchronous Buck Controller With Analog Current Monitor datasheet
PDF, 2.0 Mb, Revision: F, Datei veröffentlicht: Aug 27, 2015
Auszug aus dem Dokument

Preise

Status

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

Verpackung

Pin24
Package TypeRTW
Industry STD TermWQFN
JEDEC CodeS-PQFP-N
Package QTY1000
CarrierSMALL T&R
Device MarkingL25117P
Width (mm)4
Length (mm)4
Thickness (mm).75
Pitch (mm).5
Max Height (mm).8
Mechanical DataHerunterladen

Parameter

Control ModeCurrent Mode
Duty Cycle(Max)98 %
Iout(Max)20 A
Iq(Typ)4.8 mA
Number of Phases1
Operating Temperature Range-40 to 125 C
Package GroupWQFN
RatingCatalog
Regulated Outputs1
Special FeaturesAdjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable
Switching Frequency(Max)750 kHz
Switching Frequency(Min)50 kHz
TypeController
Vin(Max)42 V
Vin(Min)4.5 V
Vout(Max)41 V
Vout(Min)0.8 V

Öko-Plan

RoHSCompliant

Design Kits und Evaluierungsmodule

  • Evaluation Modules & Boards: LM25117EVAL
    LM25117 Wide Vin Synchronous Buck Controller Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)

Anwendungshinweise

  • Analog Applications Journal 3Q 2015
    PDF, 7.1 Mb, Datei veröffentlicht: Jul 24, 2015
  • Ceramic or electrolytic output capacitors in DC/DC converters—Why not both?
    PDF, 2.1 Mb, Datei veröffentlicht: Jul 24, 2015
  • Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics
    PDF, 926 Kb, Datei veröffentlicht: Jul 21, 2016

Modellreihe

Herstellerklassifikation

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