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 CodeYesYesYes———Yes—
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 Codee3e0e3e3——e3—
Number of Functions111—————
Number of Outputs11——————
Output Current-Max6 A6 A—0.25 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 ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR——RECTANGULAR PACKAGE—
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILESMALL OUTLINERadial—SMT—
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 TIN——MATTE TIN OVER NICKEL—
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING————
Terminal Pitch1.7 mm1.7 mm1.27 mm—5 mm———
Terminal PositionSINGLESINGLEDUALDUAL————
Time@Peak Reflow Temperature-Max (s)30203030————
## LM2577SX-ADJ/NOPB Alternates Showing resultsImage———————
Reach Compliance Code—Not Compliant——Compliant—Compliant—
Date Of Intro—1995-01-01——————
Output Voltage-Nom—12 V——————
Technology—BIPOLAR——————
## LM2577S-ADJ Alternates Showing results—Image——————
Data Input Mode——SERIAL—————
Input Characteristics——STANDARD—————
Interface IC Type——LED DISPLAY DRIVER—————
Multiplexed Display Capability——YES—————
Number of Channels——1—————
Number of Segments——2—————
Output Characteristics——CONSTANT-CURRENT—————
Supply Current-Max——3.6 mA—————
Supply Voltage-Max——65 V—————
Supply Voltage-Min——4.5 V—————
Supply Voltage-Nom——24 V—————
## LM3414HVMR/NOPB Alternates Showing results——Image—————
Factory Lead Time———12 Weeks————
Additional Feature———HIGH RELIABILITY————
Application———GENERAL PURPOSE————
Configuration———SINGLE—SINGLE——
Diode Element Material———SILICON————
Diode Type———RECTIFIER DIODE————
Non-rep Pk Forward Current-Max———2 A————
Number of Elements———1—1——
Number of Phases———1————
Power Dissipation-Max———0.4 W————
Reference Standard———AEC-Q101————
Rep Pk Reverse Voltage-Max———75 V————
Reverse Recovery Time-Max———0.004 µs————
Capacitance————1000 µF—0.1 µF—
Capacitor Type————ALUMINUM ELECTROLYTIC CAPACITOR—CERAMIC CAPACITOR—
Diameter————10 mm———
Dielectric Material————ALUMINUM (WET)—CERAMIC—
Leakage Current————0.25 mA———
Mounting Feature————THROUGH HOLE MOUNT—SURFACE MOUNT—
Negative Tolerance————20%—10%—
Packing Method————AMMO PACK—TR, PAPER, 7 INCH—
Polarity————POLARIZED———
Positive Tolerance————20%—10%—
Rated (DC) Voltage (URdc)————25 V—25 V—
Ripple Current————710 mA———
Tan Delta————0.14———
Terminal Shape————WIRE—WRAPAROUND—
Drain Current-Max (ID)—————43 A——
FET Technology—————METAL-OXIDE SEMICONDUCTOR——
Operating Mode—————ENHANCEMENT MODE——
Polarity/Channel Type—————N-CHANNEL——
Power Dissipation-Max (Abs)—————100 W——
Height——————0.9 mm—
Multilayer——————Yes—
Size Code——————0603—
Temperature Characteristics Code——————X7R—
Temperature Coefficient——————15% ppm/°C—
Switch Type———————SLIDE 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.