LM2577M-ADJAlternatives & Equivalent Parts
About LM2577M-ADJ
LM2577M-ADJ is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages 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 | LM2577M-ADJSource | SR540 | LM2577T-12/NOPB | LM2575-5.0WU | LM2577T-12/LF03 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | HY Electronic Corp | Texas Instruments | Microchip | Texas Instruments |
| Package Type | Small Outline Packages | Diodes, Axial Diameter Horizontal Mounting | Transistor Outline, Vertical | Other | Transistor Outline, Vertical |
| Pin Count | 24 | 2 | 5 | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $4.8854 | $0.0480 | $3.6000 | $1.2800 | $12.5000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | CONTACT MANUFACTURER | OBSOLETE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||
| Pbfree Code | No | — | No | — | No |
| Reach Compliance Code | Compliant | Unknown | — | — | — |
| Analog IC - Other Type | SWITCHING REGULATOR | — | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | — | CURRENT-MODE | VOLTAGE-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40 V | — | 40 V | 40 V | 40 V |
| Input Voltage-Min | 3.5 V | — | 3.5 V | 4 V | 3.5 V |
| Input Voltage-Nom | 5 V | — | 5 V | 12 V | 5 V |
| JESD-30 Code | R-PDSO-G24 | O-PALF-W2 | R-PSSO-G5 | R-PSSO-G5 | R-PZIP-T5 |
| JESD-609 Code | e0 | — | e3 | e3 | e3 |
| Number of Functions | 1 | — | 1 | 1 | 1 |
| Output Current-Max | 6 A | 5 A | 6 A | 1 A | 6 A |
| Output Voltage-Nom | 1.23 V | — | 12 V | 5 V | 12 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP24,.4 | — | SIP5,.1,67TB | SMSIP5H,.6,67TB | ZIP5,.15,.2,67TB |
| Package Shape | RECTANGULAR | ROUND | UNSPECIFIED | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | LONG FORM | SMALL OUTLINE | SMALL OUTLINE | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 | — | — | 245 | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Subcategory | Switching Regulator or Controllers | — | — | — | — |
| Surface Mount | YES | NO | NO | YES | NO |
| Switcher Configuration | BOOST | — | BOOST | BUCK | BOOST |
| Switching Frequency-Max | 62 kHz | — | 62 kHz | 63 kHz | 62 kHz |
| Technology | BIPOLAR | SCHOTTKY | BIPOLAR | — | BIPOLAR |
| Temperature Grade | AUTOMOTIVE | — | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) | — | MATTE TIN | Matte Tin (Sn) | MATTE TIN |
| Terminal Form | GULL WING | WIRE | — | GULL WING | THROUGH-HOLE |
| Terminal Pitch | 1.27 mm | — | 1.7 mm | 1.7 mm | 1.7 mm |
| Terminal Position | DUAL | AXIAL | SINGLE | SINGLE | ZIG-ZAG |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | — | — | — |
| ## LM2577M-ADJ Alternates Showing results | Image | — | — | — | — |
| Additional Feature | — | FREE WHEELING DIODE | — | — | — |
| Application | — | GENERAL PURPOSE | — | — | — |
| Case Connection | — | ISOLATED | — | — | — |
| Configuration | — | SINGLE | — | — | — |
| Diode Element Material | — | SILICON | — | — | — |
| Diode Type | — | RECTIFIER DIODE | — | — | — |
| Forward Voltage-Max (VF) | — | 0.55 V | — | — | — |
| JEDEC-95 Code | — | DO-27 | — | — | — |
| Non-rep Pk Forward Current-Max | — | 150 A | — | — | — |
| Number of Elements | — | 1 | — | — | — |
| Number of Phases | — | 1 | — | — | — |
| Rep Pk Reverse Voltage-Max | — | 40 V | — | — | — |
| Reverse Current-Max | — | 1000 µA | — | — | — |
| YTEOL | — | — | 0 | 7 | 0 |
| Output Voltage-Max | — | — | 12.6 V | 5.25 V | 12.6 V |
| Supply Current-Max (Isup) | — | — | 14 mA | — | 85 mA |
| Manufacturer Package Code | — | — | — | DDPAK-5 | — |
| Output Voltage-Min | — | — | — | 4.75 V | 11.4 V |
| ## LM2575-5.0WU Alternates Showing results | — | — | — | Image | — |
| ## LM2577T-12/LF03 Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LM2577M-ADJ — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM2577M-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 LM2577M-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 LM2577M-ADJ?
Known equivalents for LM2577M-ADJ include SR540, LM2577T-12/NOPB, LM2575-5.0WU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2577M-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 LM2577M-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.