LM2577SX-ADJ/NOPBAlternatives & Equivalent Parts
About LM2577SX-ADJ/NOPB
LM2577SX-ADJ/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.
Specification Comparison
| Parameter | LM2577SX-ADJ/NOPBSource | LM2577S-ADJ | LM3414HVMR/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Other | Other | Small Outline Packages |
| Pin Count | 4 | 4 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $2.7164 | $1.0293 | $1.2426 |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| YTEOL | 15 | 0 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | — |
| Control Technique | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Max | 40 V | 40 V | — |
| Input Voltage-Min | 3.5 V | 3.5 V | — |
| Input Voltage-Nom | 5 V | 5 V | — |
| JESD-30 Code | R-PSSO-G5 | R-PSSO-G5 | R-PDSO-G8 |
| JESD-609 Code | e3 | e0 | e3 |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | — |
| Output Current-Max | 6 A | 6 A | — |
| Output Voltage-Max | 60 V | 60 V | — |
| Output Voltage-Min | 1.23 V | 1.23 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB | SMSIP5H,.6,67TB | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 245 | 235 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | 85 mA | — | — |
| Surface Mount | YES | YES | YES |
| Switcher Configuration | BUCK-BOOST | BUCK-BOOST | — |
| Switching Frequency-Max | 52 kHz | 52 kHz | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | TIN LEAD | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.7 mm | 1.7 mm | 1.27 mm |
| Terminal Position | SINGLE | SINGLE | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 20 | 30 |
| ## LM2577SX-ADJ/NOPB Alternates Showing results | Image | — | — |
| Reach Compliance Code | — | Not Compliant | — |
| Date Of Intro | — | 1995-01-01 | — |
| Output Voltage-Nom | — | 12 V | — |
| Technology | — | BIPOLAR | — |
| ## LM2577S-ADJ Alternates Showing results | — | Image | — |
| Data Input Mode | — | — | SERIAL |
| Input Characteristics | — | — | STANDARD |
| Interface IC Type | — | — | LED DISPLAY DRIVER |
| Multiplexed Display Capability | — | — | YES |
| Number of Channels | — | — | 1 |
| Number of Segments | — | — | 2 |
| Output Characteristics | — | — | CONSTANT-CURRENT |
| Supply Current-Max | — | — | 3.6 mA |
| Supply Voltage-Max | — | — | 65 V |
| Supply Voltage-Min | — | — | 4.5 V |
| Supply Voltage-Nom | — | — | 24 V |
| ## LM3414HVMR/NOPB Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Regulator, Current-mode, 6A, 62kHz Switching Freq-Max, BIPolar, PSSO5
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Why Look for Alternatives?
Finding alternatives for LM2577SX-ADJ/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 LM2577SX-ADJ/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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What is equivalent to LM2577SX-ADJ/NOPB?
Known equivalents for LM2577SX-ADJ/NOPB include LM2577S-ADJ, LM3414HVMR/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2577SX-ADJ/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 LM2577SX-ADJ/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.