LM51561QDSSRQ1Alternatives & Equivalent Parts
About LM51561QDSSRQ1
LM51561QDSSRQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM51561QDSSRQ1Source | LM51561DSSR | LM340SX-12/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline No-lead | Small Outline No-lead | Other |
| Pin Count | 13 | 13 | 4 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 125.0°C | ~ 125.0°C |
| Price | $1.5620 | $1.2226 | $0.5091 |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| Date Of Intro | 2020-03-01 | — | 1998-04-01 |
| YTEOL | 15 | 15 | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | — |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | 60 V | 60 V | 35 V |
| Input Voltage-Min | 1.5 V | 1.5 V | 14.5 V |
| Input Voltage-Nom | 12 V | 12 V | — |
| JESD-30 Code | R-PDSO-N12 | R-PDSO-N12 | R-PSSO-G3 |
| JESD-609 Code | e3 | e4 | e3 |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 |
| Output Current-Max | 15 A | 15 A | — |
| Output Voltage-Max | 300 V | 300 V | — |
| Output Voltage-Min | 1.5 V | 1.5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 245 |
| Screening Level | AEC-Q100 | — | — |
| Supply Current-Max (Isup) | 0.58 mA | 0.55 mA | — |
| Supply Voltage-Nom (Vsup) | 12 V | 12 V | — |
| Surface Mount | YES | YES | YES |
| Switcher Configuration | BUCK-BOOST | BUCK-BOOST | — |
| Switching Frequency-Max | 2200 kHz | 2000 kHz | — |
| Technology | BICMOS | BICMOS | BIPOLAR |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — |
| Terminal Finish | Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) |
| Terminal Form | NO LEAD | NO LEAD | GULL WING |
| Terminal Position | DUAL | DUAL | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 |
| ## LM51561QDSSRQ1 Alternates Showing results | Image | — | — |
| Package Equivalence Code | — | SOLCC12,.08,20 | SIP3H,.55TB |
| Terminal Pitch | — | 0.5 mm | 2.54 mm |
| Adjustability | — | — | FIXED |
| Dropout Voltage1-Nom | — | — | 2 V |
| Input Voltage Absolute-Max | — | — | 35 V |
| Line Regulation-Max | — | — | 0.06% |
| Load Regulation-Max | — | — | 0.12% |
| Operating Temperature TJ-Max | — | — | 125 °C |
| Output Current1-Max | — | — | 1.5 A |
| Output Voltage1-Max | — | — | 12.6 V |
| Output Voltage1-Min | — | — | 11.4 V |
| Output Voltage1-Nom | — | — | 12 V |
| Packing Method | — | — | TR |
| Qualification Status | — | — | Not Qualified |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Voltage Tolerance-Max | — | — | 5% |
| ## LM340SX-12/NOPB Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Controller, Current-mode, 15A, 2000kHz Switching Freq-Max, BICMOS, PDSO12
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Why Look for Alternatives?
Finding alternatives for LM51561QDSSRQ1 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 LM51561QDSSRQ1 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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Request Alternatives for LM51561QDSSRQ1FAQ
What is equivalent to LM51561QDSSRQ1?
Known equivalents for LM51561QDSSRQ1 include LM51561DSSR, LM340SX-12/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM51561QDSSRQ1?
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 LM51561QDSSRQ1 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.