LM2576T-3.3/NOPBAlternatives & Equivalent Parts

About LM2576T-3.3/NOPB

LM2576T-3.3/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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Get one quote covering all 5 alternatives for LM2576T-3.3/NOPB — response within 24 hours.

Specification Comparison

ParameterLM2576T-3.3/NOPBSourceLM2576T-5.0ATF1504AS-10AU100SST39SF040-70-4C-PHEMIC4680-5.0YM-TRMIC4680YM
ManufacturerTexas InstrumentsTexas InstrumentsMicrochipMicrochipMicrochipMicrochip
Package TypeOtherOtherQuad Flat PackagesDual-In-Line PackagesSmall Outline PackagesSmall Outline Packages
Pin Count331003288
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$1.7100$1.1201$4.9472$2.6600$2.1300$2.1300
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYes
YTEOL15014077
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATORSWITCHING REGULATOR
Control ModeVOLTAGE-MODEVOLTAGE-MODEVOLTAGE-MODEVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max40 V40 V34 V34 V
Input Voltage-Min4 V4 V4 V4 V
Input Voltage-Nom12 V12 V12 V12 V
JESD-30 CodeR-PSFM-T5R-PSFM-T5S-PQFP-G100R-PDIP-T32R-PDSO-G8R-PDSO-G8
JESD-609 Codee3e0e3e4e4
Number of Functions11111
Number of Outputs1164
Output Current-Max3 A3 A1 A1 A
Output Voltage-Max37 V37 V5.25 V
Output Voltage-Min3.3 V3.3 V4.75 V1.25 V
Output Voltage-Nom3.3 V5 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARSQUARERECTANGULARRECTANGULARRECTANGULAR
Package StyleFLANGE MOUNTFLANGE MOUNTFLATPACK, THIN PROFILE, FINE PITCHIN-LINESMALL OUTLINESMALL OUTLINE
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Surface MountNONOYESNOYESYES
Switcher ConfigurationBUCKBUCKBUCKBUCK
Switching Frequency-Max63 kHz63 kHz220 kHz220 kHz
Temperature GradeAUTOMOTIVEAUTOMOTIVEINDUSTRIALAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Tin/Lead (Sn/Pb)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormTHROUGH-HOLETHROUGH-HOLEGULL WINGTHROUGH-HOLEGULL WINGGULL WING
Terminal Pitch1.7 mm1.7 mm0.5 mm2.54 mm1.27 mm1.27 mm
Terminal PositionSINGLESINGLEQUADDUALDUALDUAL
## LM2576T-3.3/NOPB Alternates Showing resultsImage
Date Of Intro1993-01-01
Peak Reflow Temperature (Cel)NOT APPLICABLE260260260
Time@Peak Reflow Temperature-Max (s)NOT APPLICABLE403030
Manufacturer Package CodeTQFP-100PDIP-32SOIC-8SOIC-8
Factory Lead Time10 Weeks14 Weeks7 Weeks
Additional FeaturePOWER -UP RESET; SECURITY FUSE
Clock Frequency-Max125 MHz
In-System ProgrammableYES
JTAG BSTYES
Number of I/O Lines64
Number of Inputs64
Number of Macro Cells64
Number of Product Terms40
Organization0 DEDICATED INPUTS, 64 I/O512KX8
Output FunctionMACROCELL
Package Equivalence CodeTQFP100,.63SQDIP32,.6SOP8,.25SOP8,.25
Packing MethodTRAY
Programmable Logic TypeEE PLD
Propagation Delay10 ns
Supply Voltage-Max5.5 V
Supply Voltage-Min4.5 V
Supply Voltage-Nom5 V
TechnologyCMOSCMOS
## ATF1504AS-10AU100 Alternates Showing resultsImage
Access Time-Max70 ns
Command User InterfaceYES
Data PollingYES
Endurance100000 Write/Erase Cycles
Memory Density4194304 bit
Memory IC TypeFLASH
Memory Width8
Number of Sectors/Size128
Number of Words524288 words
Number of Words Code512000
Operating ModeASYNCHRONOUS
Output Characteristics3-STATE
Parallel/SerialPARALLEL
Programming Voltage5 V
Sector Size4K
Standby Current-Max0.0001 A
Supply Current-Max0.025 mA
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)4.5 V
Supply Voltage-Nom (Vsup)5 V
Toggle BitYES
TypeNOR TYPE
## SST39SF040-70-4C-PHE Alternates Showing resultsImage
## MIC4680-5.0YM-TR Alternates Showing resultsImage
Reach Compliance CodeCompliant
## MIC4680YM Alternates Showing resultsImage

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 5 alternatives for LM2576T-3.3/NOPB — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for LM2576T-3.3/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 LM2576T-3.3/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 LM2576T-3.3/NOPB?

Known equivalents for LM2576T-3.3/NOPB include LM2576T-5.0, ATF1504AS-10AU100, SST39SF040-70-4C-PHE. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2576T-3.3/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 LM2576T-3.3/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.