LM2577SX-ADJ/NOPBAlternatives & Equivalent Parts

About LM2577SX-ADJ/NOPB

LM2577SX-ADJ/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM2577SX-ADJ/NOPBSourceLM2577S-ADJLM3414HVMR/NOPB1N4448WQ-7-F860020475018AOD412606033C104KAT2AOS102011MS2QN1
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsDiodes Inc.Würth ElektronikAlpha & Omega SemiconductorsAVXC & K COMPONENTS
Package TypeOtherOtherSmall Outline PackagesSmall Outline DiodeCapacitor, Polarized Radial DiameterOtherCapacitor Chip Non-polarisedOther
Pin Count44822323
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-65.0°C ~ 150.0°C-40.0°C ~ 105.0°C~ 175.0°C-55.0°C ~ 125.0°C
Price$2.7164$1.0293$1.2426$0.0133$0.2964$0.4378$0.0031$0.3470
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYes
YTEOL1501561566
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATOR
Control ModeCURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max40 V40 V
Input Voltage-Min3.5 V3.5 V
Input Voltage-Nom5 V5 V
JESD-30 CodeR-PSSO-G5R-PSSO-G5R-PDSO-G8R-PDSO-G2
JESD-609 Codee3e0e3e3e3
Number of Functions111
Number of Outputs11
Output Current-Max6 A6 A0.25 A
Output Voltage-Max60 V60 V
Output Voltage-Min1.23 V1.23 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSMSIP5H,.6,67TBSMSIP5H,.6,67TBSOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR PACKAGE
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILESMALL OUTLINERadialSMT
Peak Reflow Temperature (Cel)245235260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Supply Current-Max (Isup)85 mA
Surface MountYESYESYESYESNOYESYES
Switcher ConfigurationBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max52 kHz52 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)TIN LEADMatte Tin (Sn)MATTE TINMATTE TIN OVER NICKEL
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.7 mm1.7 mm1.27 mm5 mm
Terminal PositionSINGLESINGLEDUALDUAL
Time@Peak Reflow Temperature-Max (s)30203030
## LM2577SX-ADJ/NOPB Alternates Showing resultsImage
Reach Compliance CodeNot CompliantCompliantCompliant
Date Of Intro1995-01-01
Output Voltage-Nom12 V
TechnologyBIPOLAR
## LM2577S-ADJ Alternates Showing resultsImage
Data Input ModeSERIAL
Input CharacteristicsSTANDARD
Interface IC TypeLED DISPLAY DRIVER
Multiplexed Display CapabilityYES
Number of Channels1
Number of Segments2
Output CharacteristicsCONSTANT-CURRENT
Supply Current-Max3.6 mA
Supply Voltage-Max65 V
Supply Voltage-Min4.5 V
Supply Voltage-Nom24 V
## LM3414HVMR/NOPB Alternates Showing resultsImage
Factory Lead Time12 Weeks
Additional FeatureHIGH RELIABILITY
ApplicationGENERAL PURPOSE
ConfigurationSINGLESINGLE
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Non-rep Pk Forward Current-Max2 A
Number of Elements11
Number of Phases1
Power Dissipation-Max0.4 W
Reference StandardAEC-Q101
Rep Pk Reverse Voltage-Max75 V
Reverse Recovery Time-Max0.004 µs
Capacitance1000 µF0.1 µF
Capacitor TypeALUMINUM ELECTROLYTIC CAPACITORCERAMIC CAPACITOR
Diameter10 mm
Dielectric MaterialALUMINUM (WET)CERAMIC
Leakage Current0.25 mA
Mounting FeatureTHROUGH HOLE MOUNTSURFACE MOUNT
Negative Tolerance20%10%
Packing MethodAMMO PACKTR, PAPER, 7 INCH
PolarityPOLARIZED
Positive Tolerance20%10%
Rated (DC) Voltage (URdc)25 V25 V
Ripple Current710 mA
Tan Delta0.14
Terminal ShapeWIREWRAPAROUND
Drain Current-Max (ID)43 A
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
Operating ModeENHANCEMENT MODE
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)100 W
Height0.9 mm
MultilayerYes
Size Code0603
Temperature Characteristics CodeX7R
Temperature Coefficient15% ppm/°C
Switch TypeSLIDE SWITCH

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

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Get one quote covering all 7 alternatives for LM2577SX-ADJ/NOPB — response within 24 hours.

Quick Links

LM2577S-ADJby National Semiconductor Corporation

Switching Regulator, Current-mode, 6A, 62kHz Switching Freq-Max, BIPolar, PSSO5

AOD4126

suggested

Why Look for Alternatives?

Finding alternatives for LM2577SX-ADJ/NOPB 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 LM2577SX-ADJ/NOPB 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 LM2577SX-ADJ/NOPB?

Known equivalents for LM2577SX-ADJ/NOPB include LM2577S-ADJ, LM3414HVMR/NOPB, 1N4448WQ-7-F. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2577SX-ADJ/NOPB?

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 LM2577SX-ADJ/NOPB 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.