Datasheet Texas Instruments LM317MQ

ManufacturerTexas Instruments
SeriesLM317MQ
Datasheet Texas Instruments LM317MQ

4 Pin 500mA Adjustable Positive Voltage Regulator

Datasheets

LM317M 3-Terminal Adjustable Regulator datasheet
PDF, 1.1 Mb, Revision: P, File published: Mar 31, 2014
Extract from the document

Prices

Status

LM317MQDCYRLM317MQDCYRG4LM317MQKTPR
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Obsolete (Manufacturer has discontinued the production of the device)
Manufacture's Sample AvailabilityNoNoYes

Packaging

LM317MQDCYRLM317MQDCYRG4LM317MQKTPR
N123
Pin442
Package TypeDCYDCYKTP
Industry STD TermSOT-223SOT-223PFM
JEDEC CodeR-PDSO-GR-PDSO-GR-PSFM-G
Package QTY25002500
CarrierLARGE T&RLARGE T&R
Device MarkingL5L5
Width (mm)3.53.56.15
Length (mm)6.56.56.04
Thickness (mm)1.61.61.91
Pitch (mm)2.32.34.57
Max Height (mm)1.81.82.03
Mechanical DataDownloadDownloadDownload

Parametrics

Parameters / ModelsLM317MQDCYR
LM317MQDCYR
LM317MQDCYRG4
LM317MQDCYRG4
LM317MQKTPR
LM317MQKTPR
Accuracy, %22
Additional FeaturesOvercurrent Protection
Thermal Shutdown
Approx. Price (US$)0.29 | 1ku
FeaturesN/AN/A
Iout(Max), A0.50.5
Iout(Max)(A)0.5
Iq(Typ), mA3.53.5
Iq(Typ)(mA)3.5
Noise, uVrms3838
Noise(uVrms)1110
Operating Temperature Range, C-40 to 125-40 to 125
Operating Temperature Range(C)-40 to 125
Output Capacitor TypeCap Free,Non-CeramicCap Free,Non-CeramicCap Free
Non-Ceramic
Output OptionsAdjustable OutputAdjustable OutputAdjustable Output
PSRR @ 100KHz, dB2222
PSRR @ 100KHz(dB)22
Package GroupSOT-223SOT-223SOT-223
Package Size: mm2:W x L, PKG4SOT-223: 46 mm2: 7 x 6.5(SOT-223)4SOT-223: 46 mm2: 7 x 6.5(SOT-223)
Package Size: mm2:W x L (PKG)See datasheet (PFM)
Powered LoadFPGA
Microcontroller
Microprocessor
RatingCatalogCatalogCatalog
Regulated Outputs11
Regulated Outputs(#)1
Thermal Resistance ОёJA, В°C/W6060
Vdo(Typ), mV20002000
Vdo(Typ)(mV)2000
Vin(Max), V4040
Vin(Max)(V)40
Vin(Min), V33
Vin(Min)(V)3
Vout(Max), V3737
Vout(Max)(V)37
Vout(Min), V1.21.2
Vout(Min)(V)1.2

Eco Plan

LM317MQDCYRLM317MQDCYRG4LM317MQKTPR
RoHSCompliantCompliantNot Compliant
Pb FreeNo

Application Notes

  • LDO Noise Demystified (Rev. A)
    PDF, 785 Kb, Revision: A, File published: Aug 9, 2017
    Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced.
  • LDO PSRR Measurement Simplified (Rev. A)
    PDF, 131 Kb, Revision: A, File published: Aug 9, 2017
    This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods

Model Line

Manufacturer's Classification

  • Semiconductors > Analog and Mixed-Signal > Power Management > Linear Regulator (LDO) > Single Channel LDO