LM51561QDSSRQ1Alternatives & Equivalent Parts

About LM51561QDSSRQ1

LM51561QDSSRQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM51561QDSSRQ1SourceLM51561DSSR50SVPF68MLM340SX-12/NOPBDB2S31600L
ManufacturerTexas InstrumentsTexas InstrumentsPanasonicTexas InstrumentsPanasonic
Package TypeSmall Outline No-leadSmall Outline No-leadOtherOtherSmall Outline Diode Flat Lead
Pin Count1313242
Temperature Range-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C-55.0°C ~ 105.0°C~ 125.0°C-40.0°C ~ 85.0°C
Price$1.5620$1.2226$0.9152$0.5091$0.0197
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVETRANSFERRED
Electrical Parameters
Pbfree CodeYesYesYesYes
Date Of Intro2020-03-011998-04-01
YTEOL1515715
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max60 V60 V35 V
Input Voltage-Min1.5 V1.5 V14.5 V
Input Voltage-Nom12 V12 V
JESD-30 CodeR-PDSO-N12R-PDSO-N12R-PSSO-G3R-PDSO-F2
JESD-609 Codee3e4e3
Number of Functions111
Number of Outputs111
Output Current-Max15 A15 A0.1 A
Output Voltage-Max300 V300 V
Output Voltage-Min1.5 V1.5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARCYLINDRICAL PACKAGERECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUGSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMTSMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260245
Screening LevelAEC-Q100
Supply Current-Max (Isup)0.58 mA0.55 mA
Supply Voltage-Nom (Vsup)12 V12 V
Surface MountYESYESYESYESYES
Switcher ConfigurationBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max2200 kHz2000 kHz
TechnologyBICMOSBICMOSBIPOLAR
Temperature GradeAUTOMOTIVEAUTOMOTIVE
Terminal FinishTin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)
Terminal FormNO LEADNO LEADGULL WINGFLAT
Terminal PositionDUALDUALSINGLEDUAL
Time@Peak Reflow Temperature-Max (s)303030
## LM51561QDSSRQ1 Alternates Showing resultsImage
Package Equivalence CodeSOLCC12,.08,20SIP3H,.55TB
Terminal Pitch0.5 mm2.54 mm
Reach Compliance CodeCompliant
Additional FeatureESR IS MEASURED AT 100KHZ TO 300KHZ
Capacitance68 µF
Capacitor TypeALUMINUM ELECTROLYTIC CAPACITOR
Dielectric MaterialALUMINUM (SOLID POLYMER)
ESR20 mΩ
Height12.6 mm
Leakage Current0.68 mA
Mounting FeatureSURFACE MOUNT
Negative Tolerance20%
Packing MethodTR, EMBOSSED, 15 INCHTR
PolarityPOLARIZED
Positive Tolerance20%
Rated (DC) Voltage (URdc)50 V
Ripple Current215 mA
Size Code4141
Tan Delta0.12
Terminal ShapeFLAT
AdjustabilityFIXED
Dropout Voltage1-Nom2 V
Input Voltage Absolute-Max35 V
Line Regulation-Max0.06%
Load Regulation-Max0.12%
Operating Temperature TJ-Max125 °C
Output Current1-Max1.5 A
Output Voltage1-Max12.6 V
Output Voltage1-Min11.4 V
Output Voltage1-Nom12 V
Qualification StatusNot Qualified
Regulator TypeFIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Voltage Tolerance-Max5%
## LM340SX-12/NOPB Alternates Showing resultsImage
ConfigurationSINGLE
Diode Element MaterialSILICON
Diode TypeMIXER DIODE
Forward Voltage-Max (VF)0.55 V
Frequency BandVERY HIGH FREQUENCY
Non-rep Pk Forward Current-Max1 A
Number of Elements1
Rep Pk Reverse Voltage-Max30 V

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 4 alternatives for LM51561QDSSRQ1 — response within 24 hours.

Quick Links

LM51561DSSRby Texas Instruments

Switching Controller, Current-mode, 15A, 2000kHz Switching Freq-Max, BICMOS, PDSO12

50SVPF68M

suggested

Why Look for Alternatives?

Finding alternatives for LM51561QDSSRQ1 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating LM51561QDSSRQ1 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to LM51561QDSSRQ1?

Known equivalents for LM51561QDSSRQ1 include LM51561DSSR, 50SVPF68M, LM340SX-12/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM51561QDSSRQ1?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify LM51561QDSSRQ1 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.