Datasheet Texas Instruments LM3489

ManufacturerTexas Instruments
SeriesLM3489
Datasheet Texas Instruments LM3489

Hysteretic PFET Buck Controller with Enable Pin

Datasheets

LM3489x Hysteretic PFET Buck Controller With Enable Pin datasheet
PDF, 1.3 Mb, Revision: C, File published: Dec 16, 2016
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Prices

Status

LM3489MMLM3489MM/NOPBLM3489MMX/NOPB
Lifecycle StatusNRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoYesYes

Packaging

LM3489MMLM3489MM/NOPBLM3489MMX/NOPB
N123
Pin888
Package TypeDGKDGKDGK
Industry STD TermVSSOPVSSOPVSSOP
JEDEC CodeR-PDSO-GR-PDSO-GR-PDSO-G
Package QTY100010003500
CarrierSMALL T&RSMALL T&RLARGE T&R
Device MarkingSKSBSKSBSKSB
Width (mm)333
Length (mm)333
Thickness (mm).97.97.97
Pitch (mm).65.65.65
Max Height (mm)1.071.071.07
Mechanical DataDownloadDownloadDownload

Parametrics

Parameters / ModelsLM3489MM
LM3489MM
LM3489MM/NOPB
LM3489MM/NOPB
LM3489MMX/NOPB
LM3489MMX/NOPB
Control ModeHystereticHystereticHysteretic
Duty Cycle(Max), %100100100
Iout(Max), A444
Iq(Typ), mA0.280.280.28
Number of Phases111
Operating Temperature Range, C-40 to 125-40 to 125-40 to 125
Package GroupVSSOPVSSOPVSSOP
RatingCatalogCatalogCatalog
Regulated Outputs111
Special FeaturesEnableEnableEnable
Switching Frequency(Max), kHz140014001400
Switching Frequency(Min), kHz505050
TypeControllerControllerController
Vin(Max), V353535
Vin(Min), V4.54.54.5
Vout(Max), V353535
Vout(Min), V1.2391.2391.239

Eco Plan

LM3489MMLM3489MM/NOPBLM3489MMX/NOPB
RoHSSee ti.comCompliantCompliant

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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