LM2577S-ADJAlternatives & Equivalent Parts

LM2577S-ADJ is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM2577S-ADJ

LM2577S-ADJ 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

ParameterLM2577S-ADJSourceLM2577T-ADJ/LF03BLM18PG121SH1D
ManufacturerTexas InstrumentsTexas InstrumentsMurata Electronics
Package TypeOtherTransistor Outline, VerticalOther
Pin Count452
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-55.0°C ~ 125.0°C
Price$1.0293$3.0000$0.0190
StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYes
Reach Compliance CodeNot Compliant——
Date Of Intro1995-01-01——
YTEOL0157
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATOR—
Control ModeCURRENT-MODECURRENT-MODE—
Input Voltage-Max40 V40 V—
Input Voltage-Min3.5 V3.5 V—
Input Voltage-Nom5 V5 V—
JESD-30 CodeR-PSSO-G5R-XZFM-T5—
JESD-609 Codee0e3e3
Number of Functions111
Number of Outputs11—
Output Current-Max6 A6 A—
Output Voltage-Max60 V60 V—
Output Voltage-Min1.23 V1.23 V—
Output Voltage-Nom12 V——
Package Body MaterialPLASTIC/EPOXYUNSPECIFIED—
Package Equivalence CodeSMSIP5H,.6,67TB——
Package ShapeRECTANGULARRECTANGULAR—
Package StyleSMALL OUTLINEFLANGE MOUNT—
Peak Reflow Temperature (Cel)235——
Qualification StatusNot Qualified——
Surface MountYESNO—
Switcher ConfigurationBUCK-BOOSTBUCK-BOOST—
Switching Frequency-Max52 kHz52 kHz—
TechnologyBIPOLARBIPOLAR—
Temperature GradeAUTOMOTIVEAUTOMOTIVE—
Terminal FinishTIN LEADMatte Tin (Sn)Tin (Sn)
Terminal FormGULL WINGTHROUGH-HOLE—
Terminal Pitch1.7 mm1.7 mm—
Terminal PositionSINGLEZIG-ZAG—
Time@Peak Reflow Temperature-Max (s)20——
## LM2577S-ADJ Alternates Showing resultsImage——
Control Technique—SIMPLE SWITCHER—
Supply Current-Max (Isup)—85 mA—
## LM2577T-ADJ/LF03 Alternates Showing results—Image—
Factory Lead Time——12 Weeks
Additional Feature——AEC-Q200
Case Code——0603
Construction——Chip Bead
DC Resistance-Max——0.05 Ω
Filter Type——FERRITE CHIP
Frequency-Max——100 MHz
Frequency-Min——100 MHz
Height——0.8 mm
Mounting Type——SURFACE MOUNT
Output Impedance——120 OHM Ω
Packing Method——TR, PAPER, 7 INCH
Rated Current——1 A
Screening Level——AEC-Q200

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 2 alternatives for LM2577S-ADJ — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for LM2577S-ADJ 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 LM2577S-ADJ 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 LM2577S-ADJ?

Known equivalents for LM2577S-ADJ include LM2577T-ADJ/LF03, BLM18PG121SH1D. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2577S-ADJ?

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 LM2577S-ADJ 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.