Datasheet Texas Instruments LM2748MTCX/NOPB — Ficha de datos

FabricanteTexas Instruments
SerieLM2748
Numero de parteLM2748MTCX/NOPB
Datasheet Texas Instruments LM2748MTCX/NOPB

1-14 V, controlador reductor síncrono en modo de voltaje con arranque previo al sesgo 14-TSSOP -40 a 125

Hojas de datos

LM2745/48 Synch Buck Controller w/ Pre-Bias Startup & Optional Clk Synch datasheet
PDF, 1.3 Mb, Revisión: E, Archivo publicado: abr 3, 2013
Extracto del documento

Precios

Estado

Estado del ciclo de vidaActivo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricanteNo

Embalaje

Pin1414
Package TypePWPW
Industry STD TermTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY25002500
CarrierLARGE T&RLARGE T&R
Device MarkingMTC2748
Width (mm)4.44.4
Length (mm)55
Thickness (mm)11
Pitch (mm).65.65
Max Height (mm)1.21.2
Mechanical DataDescargarDescargar

Paramétricos

Control ModeVoltage Mode
Duty Cycle(Max)86 %
Iout(Max)20 A
Iq(Typ)1.7 mA
Number of Phases1
Operating Temperature Range-40 to 125 C
Package GroupTSSOP
RatingCatalog
Regulated Outputs1
Special FeaturesEnable,Power Good,Synchronous Rectification,Tracking
Switching Frequency(Max)1000 kHz
Switching Frequency(Min)50 kHz
TypeController
Vin(Max)14 V
Vin(Min)1 V
Vout(Max)12 V
Vout(Min)0.6 V

Plan ecológico

RoHSObediente

Notas de aplicación

  • Analyzing Power Modules
    PDF, 503 Kb, Archivo publicado: marzo 22, 2007
  • AN-1603 LM274X Reference Designs (Rev. C)
    PDF, 222 Kb, Revisión: C, Archivo publicado: mayo 1, 2013
    This application note presents several reference designs that implement the LM274X synchronous buckcontroller. The designs address various applications in a wide variety of configurations. The designreference will give an engineer a head start on their project, with designs encompassing sequencing,tracking, synchronizing multiple power supplies, DDR termination, buck-boost, low PCB real esta
  • Current Limit Foldback Improves Short Circuit Protection in LM274X Family (Rev. B)
    PDF, 89 Kb, Revisión: B, Archivo publicado: abr 23, 2013
    This application report discusses the function of the low side current limit used in the LM274X, andpresents a simple method to enhance the short-circuit protection. the current limit is required to protect thepower components from thermal stress, which can reduce life span. Typically, high side current limitdesigns require an internal rising edge blanking time or external filter to avoid no
  • Optmiz Pwr Cntrlr Dsigns thru Utiliz Freq & Sync, Ext Ref, Trking & Precis EN
    PDF, 359 Kb, Archivo publicado: abr 24, 2008
  • Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics
    PDF, 926 Kb, Archivo publicado: jul 21, 2016

Linea modelo

Serie: LM2748 (2)

Clasificación del fabricante

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