LM51581RTERAlternatives & Equivalent Parts
About LM51581RTER
LM51581RTER is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM51581RTERSource | LM51581QRTERQ1 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 17 | 17 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $1.8359 | $2.7365 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 15 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 60 V | 60 V |
| Input Voltage-Min | 1.5 V | 1.5 V |
| Input Voltage-Nom | 12 V | — |
| JESD-30 Code | S-PQCC-N16 | S-PQCC-N16 |
| JESD-609 Code | e4 | e4 |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Output Current-Max | 2.12 A | 2.12 A |
| Output Voltage-Max | 83 V | 83 V |
| Output Voltage-Min | 2 V | 2 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LCC16,.12SQ,20 | LCC16,.12SQ,20 |
| Package Shape | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Supply Current-Max (Isup) | 0.85 mA | 0.85 mA |
| Surface Mount | YES | YES |
| Switcher Configuration | BUCK-BOOST | BUCK-BOOST |
| Switching Frequency-Max | 2200 kHz | 2200 kHz |
| Technology | BICMOS | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD |
| Screening Level | — | AEC-Q100 |
| Supply Voltage-Nom (Vsup) | — | 12 V |
| Time@Peak Reflow Temperature-Max (s) | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Regulator, Current-mode, 2.12A, 2200kHz Switching Freq-Max, BICMOS, PQCC16
Why Look for Alternatives?
Finding alternatives for LM51581RTER 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 LM51581RTER 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 LM51581RTER?
Known equivalents for LM51581RTER include LM51581QRTERQ1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM51581RTER?
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 LM51581RTER 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.