LD3985M18RAlternatives & Equivalent Parts
About LD3985M18R
LD3985M18R is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LD3985M18RSource | LD3985G18R |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 |
| Temperature Range | — | — |
| Price | $0.2146 | $0.3308 |
| Electrical Parameters | ||
| Factory Lead Time | 10 Weeks | — |
| YTEOL | 7 | 0 |
| Adjustability | FIXED | FIXED |
| Dropout Voltage1-Max | 0.1 V | 0.1 V |
| Dropout Voltage1-Nom | 0.06 V | 0.06 V |
| Input Voltage Absolute-Max | 6 V | 6 V |
| Input Voltage-Max | 6 V | 6 V |
| Input Voltage-Min | 2.5 V | 2.5 V |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e3 | e4 |
| Line Regulation-Max | 0.0063% | 0.0063% |
| Load Regulation-Max | 0.021456% | 0.021456% |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C |
| Output Current1-Max | 0.15 A | 0.15 A |
| Output Voltage1-Max | 1.875 V | 1.875 V |
| Output Voltage1-Min | 1.725 V | 1.725 V |
| Output Voltage1-Nom | 1.8 V | 1.8 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES |
| Technology | BICMOS | BICMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Voltage Tolerance-Max | 4% | 4% |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for LD3985M18R 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 LD3985M18R 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 LD3985M18RFAQ
What is equivalent to LD3985M18R?
Known equivalents for LD3985M18R include LD3985G18R. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD3985M18R?
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 LD3985M18R 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.