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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Specification Comparison
| Parameter | LM2576T-3.3/NOPBSource | LM2576T-5.0 | ATF1504AS-10AU100 | SST39SF040-70-4C-PHE | MIC4680-5.0YM-TR | MIC4680YM |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Microchip | Microchip | Microchip | Microchip |
| Package Type | Other | Other | Quad Flat Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 3 | 3 | 100 | 32 | 8 | 8 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | — | — |
| YTEOL | 15 | 0 | 14 | 0 | 7 | 7 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE | — | — | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | 40 V | 40 V | — | — | 34 V | 34 V |
| Input Voltage-Min | 4 V | 4 V | — | — | 4 V | 4 V |
| Input Voltage-Nom | 12 V | 12 V | — | — | 12 V | 12 V |
| JESD-30 Code | R-PSFM-T5 | R-PSFM-T5 | S-PQFP-G100 | R-PDIP-T32 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e0 | e3 | — | e4 | e4 |
| Number of Functions | 1 | 1 | — | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 64 | — | — | — |
| Output Current-Max | 3 A | 3 A | — | — | 1 A | 1 A |
| Output Voltage-Max | 37 V | 37 V | — | — | 5.25 V | — |
| Output Voltage-Min | 3.3 V | 3.3 V | — | — | 4.75 V | 1.25 V |
| Output Voltage-Nom | 3.3 V | 5 V | — | — | 5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | FLATPACK, THIN PROFILE, FINE PITCH | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | NO | NO | YES | NO | YES | YES |
| Switcher Configuration | BUCK | BUCK | — | — | BUCK | BUCK |
| Switching Frequency-Max | 63 kHz | 63 kHz | — | — | 220 kHz | 220 kHz |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | INDUSTRIAL | — | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 1.7 mm | 1.7 mm | 0.5 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal Position | SINGLE | SINGLE | QUAD | DUAL | DUAL | DUAL |
| ## LM2576T-3.3/NOPB Alternates Showing results | Image | — | — | — | — | — |
| Date Of Intro | — | 1993-01-01 | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | NOT APPLICABLE | 260 | — | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | NOT APPLICABLE | 40 | — | 30 | 30 |
| Manufacturer Package Code | — | — | TQFP-100 | PDIP-32 | SOIC-8 | SOIC-8 |
| Factory Lead Time | — | — | 10 Weeks | 14 Weeks | — | 7 Weeks |
| Additional Feature | — | — | POWER -UP RESET; SECURITY FUSE | — | — | — |
| Clock Frequency-Max | — | — | 125 MHz | — | — | — |
| In-System Programmable | — | — | YES | — | — | — |
| JTAG BST | — | — | YES | — | — | — |
| Number of I/O Lines | — | — | 64 | — | — | — |
| Number of Inputs | — | — | 64 | — | — | — |
| Number of Macro Cells | — | — | 64 | — | — | — |
| Number of Product Terms | — | — | 40 | — | — | — |
| Organization | — | — | 0 DEDICATED INPUTS, 64 I/O | 512KX8 | — | — |
| Output Function | — | — | MACROCELL | — | — | — |
| Package Equivalence Code | — | — | TQFP100,.63SQ | DIP32,.6 | SOP8,.25 | SOP8,.25 |
| Packing Method | — | — | TRAY | — | — | — |
| Programmable Logic Type | — | — | EE PLD | — | — | — |
| Propagation Delay | — | — | 10 ns | — | — | — |
| Supply Voltage-Max | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min | — | — | 4.5 V | — | — | — |
| Supply Voltage-Nom | — | — | 5 V | — | — | — |
| Technology | — | — | CMOS | CMOS | — | — |
| ## ATF1504AS-10AU100 Alternates Showing results | — | — | Image | — | — | — |
| Access Time-Max | — | — | — | 70 ns | — | — |
| Command User Interface | — | — | — | YES | — | — |
| Data Polling | — | — | — | YES | — | — |
| Endurance | — | — | — | 100000 Write/Erase Cycles | — | — |
| Memory Density | — | — | — | 4194304 bit | — | — |
| Memory IC Type | — | — | — | FLASH | — | — |
| Memory Width | — | — | — | 8 | — | — |
| Number of Sectors/Size | — | — | — | 128 | — | — |
| Number of Words | — | — | — | 524288 words | — | — |
| Number of Words Code | — | — | — | 512000 | — | — |
| Operating Mode | — | — | — | ASYNCHRONOUS | — | — |
| Output Characteristics | — | — | — | 3-STATE | — | — |
| Parallel/Serial | — | — | — | PARALLEL | — | — |
| Programming Voltage | — | — | — | 5 V | — | — |
| Sector Size | — | — | — | 4K | — | — |
| Standby Current-Max | — | — | — | 0.0001 A | — | — |
| Supply Current-Max | — | — | — | 0.025 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 4.5 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 5 V | — | — |
| Toggle Bit | — | — | — | YES | — | — |
| Type | — | — | — | NOR TYPE | — | — |
| ## SST39SF040-70-4C-PHE Alternates Showing results | — | — | — | Image | — | — |
| ## MIC4680-5.0YM-TR Alternates Showing results | — | — | — | — | Image | — |
| Reach Compliance Code | — | — | — | — | — | Compliant |
| ## MIC4680YM Alternates Showing results | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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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.