LP3990MFX-1.8/NOPBAlternatives & Equivalent Parts
About LP3990MFX-1.8/NOPB
LP3990MFX-1.8/NOPB is a Integrated Circuit component manufactured by Texas Instruments. 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.
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Specification Comparison
| Parameter | LP3990MFX-1.8/NOPBSource | ADUM3211BRZ-RL7 | AD2428WCCSZ-RL | LM1084IT-5.0/NOPB | 501645-1020 | LP3990MF-1.8 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Analog Devices | Analog Devices | Texas Instruments | Molex | Texas Instruments |
| Package Type | SOT23 (5-Pin) | Small Outline Packages | Quad Flat No-Lead | Transistor Outline, Vertical | Other | — |
| Pin Count | 5 | 8 | 32 | 3 | 10 | — |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 125.0°C | -25.0°C ~ 85.0°C | — |
| Price | $0.3510 | $2.4844 | $4.4056 | $1.5000 | $0.3325 | $0.2217 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | No | No | Yes | Yes | — |
| YTEOL | 15 | 10 | — | 15 | 8 | — |
| Adjustability | FIXED | — | — | FIXED | — | — |
| Dropout Voltage1-Max | 0.2 V | — | — | 1.5 V | — | — |
| Dropout Voltage1-Nom | 0.12 V | — | — | 1.3 V | — | — |
| Input Voltage Absolute-Max | 6.5 V | — | — | 25 V | — | — |
| Input Voltage-Max | 6 V | — | — | 29 V | — | — |
| Input Voltage-Min | 2 V | — | — | 6.5 V | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G8 | S-XQCC-N32 | R-XSFM-T3 | — | — |
| JESD-609 Code | e3 | e3 | — | e3 | e3 | — |
| Line Regulation-Max | 0.00576% | — | — | 0.01% | — | — |
| Load Regulation-Max | 0.02145% | — | — | 0.035% | — | — |
| Number of Functions | 1 | 1 | 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 | — | — | 5.5 A | — | — |
| Output Voltage1-Max | 1.872 V | — | — | 5.1 V | — | — |
| Output Voltage1-Min | 1.728 V | — | — | 4.9 V | — | — |
| Output Voltage1-Nom | 1.8 V | — | — | 5 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | UNSPECIFIED | — | — |
| Package Equivalence Code | TSOP5/6,.11,37 | SOP8,.25 | LCC32,.2SQ,20 | SIP3,.1TB | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | — | — |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLANGE MOUNT | — | — |
| Packing Method | TR | — | — | TUBE | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | NO | — | — |
| Technology | CMOS | CMOS | DMOS | BIPOLAR | — | — |
| Terminal Finish | Tin (Sn) | Matte Tin (Sn) - annealed | — | Matte Tin (Sn) | — | — |
| Terminal Form | GULL WING | GULL WING | NO LEAD | THROUGH-HOLE | — | — |
| Terminal Pitch | 0.953 mm | 1.27 mm | 0.5 mm | 2.54 mm | 2 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | SINGLE | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | — | — | — |
| Voltage Tolerance-Max | 4% | — | — | 2% | — | — |
| Manufacturer Package Code | — | R-8 | CS-32-2 | — | — | — |
| Interface IC Type | — | DIGITAL ISOLATOR | LINE TRANSCEIVER | — | — | — |
| Supply Voltage-Max | — | 5.5 V | 1.98 V | — | — | — |
| Supply Voltage-Min | — | 3 V | 1.7 V | — | — | — |
| Supply Voltage-Nom | — | 3.3 V | 1.9 V | — | — | — |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | — | — | — |
| ## ADUM3211BRZ-RL7 Alternates Showing results | — | Image | — | — | — | — |
| Date Of Intro | — | — | 2019-10-15 | — | — | — |
| Differential Output | — | — | YES | — | — | — |
| Driver Number of Bits | — | — | 1 | — | — | — |
| High Level Input Current-Max | — | — | 0.000001 A | — | — | — |
| Input Characteristics | — | — | STANDARD | — | — | — |
| Interface Standard | — | — | 12C | — | — | — |
| Out Swing-Min | — | — | 0.21 V | — | — | — |
| Output Characteristics | — | — | OPEN-DRAIN | — | — | — |
| Output Low Current-Max | — | — | 0.0015 A | — | — | — |
| Output Polarity | — | — | COMPLEMENTARY | — | — | — |
| Receiver Number of Bits | — | — | 1 | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — |
| Supply Current-Max | — | — | 12 mA | — | — | — |
| Supply Voltage1-Max | — | — | 1.98 V | — | — | — |
| Supply Voltage1-Min | — | — | 1.7 V | — | — | — |
| Supply Voltage1-Nom | — | — | 1.9 V | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | Compliant | — |
| ## LM1084IT-5.0/NOPB Alternates Showing results | — | — | — | Image | — | — |
| Board Mounting Option | — | — | — | — | PEG | — |
| Body Breadth | — | — | — | — | 0.323 inch | — |
| Body Depth | — | — | — | — | 0.472 inch | — |
| Body Length | — | — | — | — | 0.472 inch | — |
| Body/Shell Style | — | — | — | — | PLUG | — |
| Connector Type | — | — | — | — | DIP CONNECTOR | — |
| Contact Finish Mating | — | — | — | — | NOT SPECIFIED | — |
| Contact Finish Termination | — | — | — | — | Matte Tin (Sn) | — |
| Contact Gender | — | — | — | — | MALE | — |
| Contact Material | — | — | — | — | NOT SPECIFIED | — |
| Contact Pattern | — | — | — | — | RECTANGULAR | — |
| Contact Resistance | — | — | — | — | 20 mΩ | — |
| Contact Style | — | — | — | — | SQ PIN-SKT | — |
| DIN Conformance | — | — | — | — | NO | — |
| Dielectric Withstanding Voltage | — | — | — | — | 1400VAC V | — |
| Durability | — | — | — | — | 30 Cycles | — |
| Filter Feature | — | — | — | — | NO | — |
| IEC Conformance | — | — | — | — | NO | — |
| Insulation Resistance | — | — | — | — | 1000000000 Ω | — |
| Insulator Material | — | — | — | — | GLASS FILLED POLYAMIDE | — |
| MIL Conformance | — | — | — | — | NO | — |
| Mating Contact Pitch | — | — | — | — | 0.079 inch | — |
| Mating Contact Row Spacing | — | — | — | — | 0.079 inch | — |
| Mixed Contacts | — | — | — | — | NO | — |
| Mounting Option 1 | — | — | — | — | LOCKING | — |
| Mounting Style | — | — | — | — | STRAIGHT | — |
| Mounting Type | — | — | — | — | BOARD | — |
| Number Of Connectors | — | — | — | — | ONE | — |
| Number Of PCB Rows | — | — | — | — | 2 | — |
| Number of Rows Loaded | — | — | — | — | 2 | — |
| Option | — | — | — | — | GENERAL PURPOSE | — |
| PCB Contact Pattern | — | — | — | — | RECTANGULAR | — |
| PCB Contact Row Spacing | — | — | — | — | 2 mm | — |
| Polarization Key | — | — | — | — | POLARIZED HOUSING | — |
| Rated Current (Signal) | — | — | — | — | 2 A | — |
| Reference Standard | — | — | — | — | UL | — |
| Terminal Length | — | — | — | — | 0.126 inch | — |
| Termination Type | — | — | — | — | SOLDER | — |
| Total Number of Contacts | — | — | — | — | 10 | — |
| UL Flammability Code | — | — | — | — | 94V-0 | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for LP3990MFX-1.8/NOPB — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LP3990MFX-1.8/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 LP3990MFX-1.8/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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FAQ
What is equivalent to LP3990MFX-1.8/NOPB?
Known equivalents for LP3990MFX-1.8/NOPB include ADUM3211BRZ-RL7, AD2428WCCSZ-RL, LM1084IT-5.0/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LP3990MFX-1.8/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 LP3990MFX-1.8/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.