Datasheet Texas Instruments LM2647

ManufacturerTexas Instruments
SeriesLM2647
Datasheet Texas Instruments LM2647

Dual Synchronous Buck Regulator Controller

Datasheets

LM2647 Dual Synchronous Buck Regulator Controller datasheet
PDF, 3.4 Mb, Revision: F, File published: Apr 7, 2013
Extract from the document

Prices

Status

LM2647LQ/NOPBLM2647MTC/NOPBLM2647MTCX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesYesNo

Packaging

LM2647LQ/NOPBLM2647MTC/NOPBLM2647MTCX/NOPB
N123
Pin282828
Package TypeNJBPWPW
Industry STD TermWQFNTSSOPTSSOP
JEDEC CodeS-PQSO-NR-PDSO-GR-PDSO-G
Package QTY1000482500
CarrierSMALL T&RTUBELARGE T&R
Device MarkingLM2647MTCMTC
Width (mm)54.44.4
Length (mm)59.79.7
Thickness (mm).811
Pitch (mm).5.65.65
Max Height (mm).81.21.2
Mechanical DataDownloadDownloadDownload

Parametrics

Parameters / ModelsLM2647LQ/NOPB
LM2647LQ/NOPB
LM2647MTC/NOPB
LM2647MTC/NOPB
LM2647MTCX/NOPB
LM2647MTCX/NOPB
Control ModeVoltage ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %505050
Iout(Max), A666
Iq(Typ), mA2.52.52.5
Number of Phases111
Operating Temperature Range, C-5 to 125-5 to 125-5 to 125
Package GroupWQFNTSSOPTSSOP
RatingCatalogCatalogCatalog
Regulated Outputs222
Special FeaturesEnable,Light Load Efficiency,Power GoodEnable,Light Load Efficiency,Power GoodEnable,Light Load Efficiency,Power Good
Switching Frequency(Max), kHz500500500
Switching Frequency(Min), kHz200200200
TypeControllerControllerController
Vin(Max), V282828
Vin(Min), V5.55.55.5
Vout(Max), V666
Vout(Min), V0.60.60.6

Eco Plan

LM2647LQ/NOPBLM2647MTC/NOPBLM2647MTCX/NOPB
RoHSCompliantCompliantCompliant

Application Notes

  • Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics
    PDF, 926 Kb, File published: Jul 21, 2016

Model Line

Manufacturer's Classification

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