LM2577T-12/NOPBAlternatives & Equivalent Parts
About LM2577T-12/NOPB
LM2577T-12/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Transistor Outline, Vertical 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 | LM2577T-12/NOPBSource | LM2577M-ADJ | LM2596SX-ADJ/NOPB | SR540 | PCM2906CDB |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | HY Electronic Corp | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Small Outline Packages | Other | Diodes, Axial Diameter Horizontal Mounting | — |
| Pin Count | 5 | 24 | 4 | 2 | — |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | — |
| Price | $3.6000 | $4.8854 | $0.3177 | $0.0480 | $9.9486 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | NOT RECOMMENDED | ACTIVE | CONTACT MANUFACTURER | — |
| Electrical Parameters | |||||
| Pbfree Code | No | No | Yes | — | — |
| YTEOL | 0 | — | 15 | — | — |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | VOLTAGE-MODE | — | — |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | 40 V | 40 V | 40 V | — | — |
| Input Voltage-Min | 3.5 V | 3.5 V | 4.5 V | — | — |
| Input Voltage-Nom | 5 V | 5 V | 12 V | — | — |
| JESD-30 Code | R-PSSO-G5 | R-PDSO-G24 | R-PSSO-G5 | O-PALF-W2 | — |
| JESD-609 Code | e3 | e0 | e3 | — | — |
| Number of Functions | 1 | 1 | 1 | — | — |
| Output Current-Max | 6 A | 6 A | 3 A | 5 A | — |
| Output Voltage-Max | 12.6 V | — | 37 V | — | — |
| Output Voltage-Nom | 12 V | 1.23 V | 1.235 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SIP5,.1,67TB | SOP24,.4 | SMSIP5H,.6,67TB | — | — |
| Package Shape | UNSPECIFIED | RECTANGULAR | RECTANGULAR | ROUND | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | LONG FORM | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — |
| Supply Current-Max (Isup) | 14 mA | — | — | — | — |
| Surface Mount | NO | YES | YES | NO | — |
| Switcher Configuration | BOOST | BOOST | BUCK | — | — |
| Switching Frequency-Max | 62 kHz | 62 kHz | 173 kHz | — | — |
| Technology | BIPOLAR | BIPOLAR | — | SCHOTTKY | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | — | — |
| Terminal Finish | MATTE TIN | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | — | — |
| Terminal Pitch | 1.7 mm | 1.27 mm | 1.7 mm | — | — |
| Terminal Position | SINGLE | DUAL | SINGLE | AXIAL | — |
| Reach Compliance Code | — | Compliant | — | Unknown | — |
| Peak Reflow Temperature (Cel) | — | 260 | 245 | — | — |
| Subcategory | — | Switching Regulator or Controllers | — | — | — |
| Terminal Form | — | GULL WING | GULL WING | WIRE | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | 30 | — | — |
| ## LM2577M-ADJ Alternates Showing results | — | Image | — | — | — |
| Additional Feature | — | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 38.48V | FREE WHEELING DIODE | — |
| Number of Outputs | — | — | 1 | — | — |
| Output Voltage-Min | — | — | 3.3 V | — | — |
| ## LM2596SX-ADJ/NOPB Alternates Showing results | — | — | Image | — | — |
| 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 | — |
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 4 alternatives for LM2577T-12/NOPB — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LM2577T-12/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 LM2577T-12/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 LM2577T-12/NOPB?
Known equivalents for LM2577T-12/NOPB include LM2577M-ADJ, LM2596SX-ADJ/NOPB, SR540. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2577T-12/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 LM2577T-12/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.