LP2981A-50DBVRAlternatives & Equivalent Parts
About LP2981A-50DBVR
LP2981A-50DBVR is a Power Supply 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 | LP2981A-50DBVRSource | LP2981A-50DBVT | T510X227K016ATE025 | STM32F072CBT6TR | 2-1969543-2 | SMCJ5.0CA | TPS40303DRCT | LP2981AIM5-5.0/NOPB |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Kemet | STMicroelectronics | TE Connectivity | Bourns | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Other | Quad Flat Packages | Other | Diodes Moulded Non Polarised | — | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 2 | 48 | 22 | 2 | — | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | — | -55.0°C ~ 150.0°C | — | -40.0°C ~ 125.0°C |
| Price | $0.0903 | $0.1027 | $5.7900 | $3.0745 | $0.5940 | $0.1070 | $1.2100 | $0.1236 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | — | — | — | Yes | — | Yes |
| YTEOL | 15 | 15 | — | 9 | 8 | 7 | — | 15 |
| Adjustability | FIXED | FIXED | — | — | — | — | — | FIXED |
| Dropout Voltage1-Max | 0.375 V | 0.375 V | — | — | — | — | — | 0.375 V |
| Dropout Voltage1-Nom | 0.2 V | 0.2 V | — | — | — | — | — | 0.2 V |
| Input Voltage Absolute-Max | 16 V | 16 V | — | — | — | — | — | 16 V |
| Input Voltage-Max | 16 V | 16 V | — | — | — | — | — | 16 V |
| Input Voltage-Min | 2.2 V | 2.2 V | — | — | — | — | — | 6 V |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | — | S-PQFP-G48 | — | R-PDSO-C2 | — | R-PDSO-G5 |
| JESD-609 Code | e3 | e4 | — | e4 | — | e3 | — | e3 |
| Line Regulation-Max | 0.016% | 0.016% | — | — | — | — | — | 0.016% |
| Load Regulation-Max | 0.002475% | 0.002475% | — | — | — | — | — | 0.002475% |
| 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 | 0.1 A | 0.1 A | — | — | — | — | — | 0.1 A |
| Output Voltage1-Max | 5.125 V | 5.125 V | — | — | — | — | — | 5.125 V |
| Output Voltage1-Min | 4.875 V | 4.875 V | — | — | — | — | — | 4.875 V |
| Output Voltage1-Nom | 5 V | 5 V | — | — | — | — | — | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | — | — | — | — | — | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | SQUARE | — | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | — | FLATPACK, LOW PROFILE, FINE PITCH | — | SMALL OUTLINE | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | — | — | — | — | — | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | — | 260 | — | 260 |
| Qualification Status | Not Qualified | 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 | — | YES | — | YES |
| Technology | BIPOLAR | BIPOLAR | — | CMOS | — | AVALANCHE | — | BIPOLAR |
| Terminal Finish | Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | — | C BEND | — | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | — | 0.5 mm | 2.5 mm | — | — | 0.95 mm |
| Terminal Position | DUAL | DUAL | — | QUAD | — | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | NOT SPECIFIED | — | 30 | — | 30 |
| Voltage Tolerance-Max | 2.5% | 2.5% | — | — | — | — | — | 2.5% |
| ## LP2981A-50DBVR Alternates Showing results | Image | — | — | — | — | — | — | — |
| Factory Lead Time | — | — | — | 13 Weeks | — | 16 Weeks | — | — |
| Has ADC | — | — | — | YES | — | — | — | — |
| Bit Size | — | — | — | 32 | — | — | — | — |
| Boundary Scan | — | — | — | NO | — | — | — | — |
| CPU Family | — | — | — | CORTEX-M0 | — | — | — | — |
| Clock Frequency-Max | — | — | — | 32 MHz | — | — | — | — |
| DAC Channels | — | — | — | YES | — | — | — | — |
| DMA Channels | — | — | — | YES | — | — | — | — |
| Number of I/O Lines | — | — | — | 37 | — | — | — | — |
| Number of Timers | — | — | — | 12 | — | — | — | — |
| On Chip Program ROM Width | — | — | — | 8 | — | — | — | — |
| PWM Channels | — | — | — | YES | — | — | — | — |
| RAM (bytes) | — | — | — | 16384 | — | — | — | — |
| ROM (words) | — | — | — | 131072 | — | — | — | — |
| ROM Programmability | — | — | — | FLASH | — | — | — | — |
| Speed | — | — | — | 48 MHz | — | — | — | — |
| Supply Voltage-Max | — | — | — | 3.6 V | — | — | — | — |
| Supply Voltage-Min | — | — | — | 3.3 V | — | — | — | — |
| Supply Voltage-Nom | — | — | — | 3.3 V | — | — | — | — |
| Temperature Grade | — | — | — | INDUSTRIAL | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC | — | — | — | — |
| ## STM32F072CBT6TR Alternates Showing results | — | — | — | Image | — | — | — | — |
| Reach Compliance Code | — | — | — | — | Compliant | — | — | — |
| Board Mounting Option | — | — | — | — | PEG | — | — | — |
| Body Breadth | — | — | — | — | 0.412 inch | — | — | — |
| Body Depth | — | — | — | — | 0.386 inch | — | — | — |
| Body Length | — | — | — | — | 1.197 inch | — | — | — |
| Body/Shell Style | — | — | — | — | RECEPTACLE | — | — | — |
| Connector Type | — | — | — | — | BOARD CONNECTOR | — | — | — |
| Contact Finish Mating | — | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Gender | — | — | — | — | MALE | — | — | — |
| Contact Material | — | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Pattern | — | — | — | — | RECTANGULAR | — | — | — |
| Contact Style | — | — | — | — | RND PIN-SKT | — | — | — |
| Filter Feature | — | — | — | — | NO | — | — | — |
| Insulator Color | — | — | — | — | WHITE | — | — | — |
| Insulator Material | — | — | — | — | POLYAMIDE | — | — | — |
| Mating Contact Pitch | — | — | — | — | 0.098 inch | — | — | — |
| Mating Contact Row Spacing | — | — | — | — | 0.098 inch | — | — | — |
| Mixed Contacts | — | — | — | — | NO | — | — | — |
| Mounting Option 1 | — | — | — | — | LOCKING | — | — | — |
| Mounting Option 2 | — | — | — | — | LATCHING | — | — | — |
| 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 | — | — | — | — | 2.5 mm | — | — | — |
| Polarization Key | — | — | — | — | POLARIZED HOUSING | — | — | — |
| Reference Standard | — | — | — | — | UL | — | — | — |
| Terminal Length | — | — | — | — | 0.134 inch | — | — | — |
| Termination Type | — | — | — | — | SOLDER | — | — | — |
| Total Number of Contacts | — | — | — | — | 22 | — | — | — |
| UL Flammability Code | — | — | — | — | 94V-0 | — | — | — |
| Breakdown Voltage-Max | — | — | — | — | — | 7.23 V | — | — |
| Breakdown Voltage-Min | — | — | — | — | — | 6.4 V | — | — |
| Breakdown Voltage-Nom | — | — | — | — | — | 6.82 V | — | — |
| Clamping Voltage-Max | — | — | — | — | — | 9.2 V | — | — |
| Configuration | — | — | — | — | — | SINGLE | — | — |
| Diode Element Material | — | — | — | — | — | SILICON | — | — |
| Diode Type | — | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | — |
| JEDEC-95 Code | — | — | — | — | — | DO-214AB | — | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | — | — | 1500 W | — | — |
| Number of Elements | — | — | — | — | — | 1 | — | — |
| Polarity | — | — | — | — | — | BIDIRECTIONAL | — | — |
| Power Dissipation-Max | — | — | — | — | — | 5 W | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | — | 5 V | — | — |
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 7 alternatives for LP2981A-50DBVR — response within 24 hours.
Quick Links
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Fixed Positive LDO Regulator, 5V, 0.375V Dropout, BIPolar, PDSO5
Why Look for Alternatives?
Finding alternatives for LP2981A-50DBVR 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 LP2981A-50DBVR 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 LP2981A-50DBVR?
Known equivalents for LP2981A-50DBVR include LP2981A-50DBVT, T510X227K016ATE025, STM32F072CBT6TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LP2981A-50DBVR?
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 LP2981A-50DBVR 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.