Datasheet Texas Instruments LM2747 — Datenblatt

HerstellerTexas Instruments
SerieLM2747
Datasheet Texas Instruments LM2747

1-14 V, 1% Genauigkeit, Synchron-Buck-Controller im Spannungsmodus mit Pre-Bias-Start und optionalem Cloc

Datenblätter

Datasheet
PDF, 1.3 Mb
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LM2747 Synch Buck Cntrlr w/Pre-bias Startup 7 Optional Clk Synch datasheet
PDF, 1.3 Mb, Revision: B, Datei veröffentlicht: Mar 28, 2013
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Preise

Status

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNo

Verpackung

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
N1234
Pin1414
Package TypePWPW
Industry STD TermTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY942500
CarrierTUBELARGE T&R
Device Marking27472747
Width (mm)4.44.4
Length (mm)55
Thickness (mm)11
Pitch (mm).65.65
Max Height (mm)1.21.2
Mechanical DataHerunterladenHerunterladen

Parameter

Parameters / ModelsLM2747MTC
LM2747MTC
LM2747MTC/NOPB
LM2747MTC/NOPB
LM2747MTCX
LM2747MTCX
LM2747MTCX/NOPB
LM2747MTCX/NOPB
Control ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %8686
Iout(Max), A2020
Iq(Typ), mA1.71.7
Number of Phases11
Operating Temperature Range, C-40 to 125-40 to 125
Package GroupTSSOPTSSOP
RatingCatalogCatalog
Regulated Outputs11
Special FeaturesEnable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,TrackingEnable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,Tracking
Switching Frequency(Max), kHz10001000
Switching Frequency(Min), kHz5050
TypeControllerController
Vin(Max), V1414
Vin(Min), V11
Vout(Max), V1212
Vout(Min), V0.60.6

Öko-Plan

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
RoHSCompliantCompliant

Anwendungshinweise

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    PDF, 222 Kb, Revision: C, Datei veröffentlicht: May 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, Revision: B, Datei veröffentlicht: Apr 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, Datei veröffentlicht: Apr 24, 2008
  • 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)