LP3981IMMX-3.3Alternatives & Equivalent Parts
About LP3981IMMX-3.3
LP3981IMMX-3.3 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.
Specification Comparison
| Parameter | LP3981IMMX-3.3Source | LP3981IMM-3.3 | LP3981IMMX-3.3/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 |
| Temperature Range | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.2712 | $0.1890 | $0.2712 |
| Electrical Parameters | |||
| Pbfree Code | No | Yes | Yes |
| YTEOL | 0 | 0 | 15 |
| Adjustability | FIXED | FIXED | FIXED |
| Dropout Voltage1-Max | 0.2 V | 0.2 V | 0.2 V |
| Dropout Voltage1-Nom | 0.132 V | 0.132 V | 0.132 V |
| Input Voltage Absolute-Max | 6.5 V | 6.5 V | 6.5 V |
| Input Voltage-Max | 6 V | 6 V | 6 V |
| Input Voltage-Min | 2.7 V | 2.7 V | 2.7 V |
| JESD-30 Code | S-PDSO-G8 | S-PDSO-G8 | S-PDSO-G8 |
| JESD-609 Code | e0 | e0 | e3 |
| Line Regulation-Max | 0.0363% | 0.0363% | 0.0363% |
| Load Regulation-Max | 0.049% | 0.049% | 0.049% |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C | -40 °C |
| Output Current1-Max | 0.3 A | 0.3 A | 0.3 A |
| Output Voltage1-Max | 3.399 V | 3.399 V | 3.399 V |
| Output Voltage1-Min | 3.201 V | 3.201 V | 3.201 V |
| Output Voltage1-Nom | 3.3 V | 3.3 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 | TSSOP8,.19 | TSSOP8,.19 |
| Package Shape | SQUARE | SQUARE | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS |
| Terminal Finish | TIN LEAD | Tin/Lead (Sn/Pb) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Voltage Tolerance-Max | 3% | 3% | 3% |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Regulator, 3.3V, 0.2V Dropout, CMOS, PDSO8
Fixed Positive LDO Regulator, 3.3V, 0.2V Dropout, CMOS, PDSO8
Why Look for Alternatives?
Finding alternatives for LP3981IMMX-3.3 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 LP3981IMMX-3.3 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 LP3981IMMX-3.3FAQ
What is equivalent to LP3981IMMX-3.3?
Known equivalents for LP3981IMMX-3.3 include LP3981IMM-3.3, LP3981IMMX-3.3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LP3981IMMX-3.3?
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 LP3981IMMX-3.3 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.