Part Details for LP2981AIM5-3.3 by Texas Instruments
Results Overview of LP2981AIM5-3.3 by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Energy and Power Systems
LP2981AIM5-3.3 Information
LP2981AIM5-3.3 by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LP2981AIM5-3.3
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
296-LP2981AIM5-3.3CT-ND
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DigiKey | IC REG LINEAR 3.3V 100MA SOT23-5 Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
2475 In Stock |
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$0.8746 / $1.7300 | Buy Now |
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Vyrian | Regulators | 4750 |
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RFQ |
Part Details for LP2981AIM5-3.3
LP2981AIM5-3.3 CAD Models
LP2981AIM5-3.3 Part Data Attributes
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LP2981AIM5-3.3
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LP2981AIM5-3.3
Texas Instruments
100-mA, 16-V, low-dropout voltage regulator with enable 5-SOT-23 -40 to 125
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| Pbfree Code | Yes | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | SOT-23, SOP-5 | |
| Pin Count | 5 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Date Of Intro | 1997-01-01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Adjustability | FIXED | |
| Dropout Voltage1-Max | 0.375 V | |
| Dropout Voltage1-Nom | 0.2 V | |
| Input Voltage Absolute-Max | 16 V | |
| Input Voltage-Max | 16 V | |
| Input Voltage-Min | 4.3 V | |
| JESD-30 Code | R-PDSO-G5 | |
| JESD-609 Code | e0 | |
| Length | 2.92 mm | |
| Line Regulation-Max | 0.0124% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 5 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current1-Max | 0.1 A | |
| Output Voltage1-Max | 3.3825 V | |
| Output Voltage1-Min | 3.2175 V | |
| Output Voltage1-Nom | 3.3 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | LSSOP | |
| Package Equivalence Code | TSOP5/6,.11,37 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 1.22 mm | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.95 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tolerance-Max | 2.5% | |
| Width | 1.6 mm |
Alternate Parts for LP2981AIM5-3.3
This table gives cross-reference parts and alternative options found for LP2981AIM5-3.3. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LP2981AIM5-3.3, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LP2981AIM5-3.3/NOPB | National Semiconductor Corporation | Check for Price | IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 0.375 V DROPOUT, PDSO5, SOT-23, SOP-5, Fixed Positive Single Output LDO Regulator | LP2981AIM5-3.3 vs LP2981AIM5-3.3/NOPB |
LP2981AIM5-3.3 Frequently Asked Questions (FAQ)
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The LP2981AIM5-3.3 can handle input voltages up to 12V, but it's recommended to keep it below 10V for optimal performance and to prevent overheating.
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To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the input and output capacitors close to the device and use a solid ground plane to reduce noise and oscillations.
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The LP2981AIM5-3.3 can regulate the output voltage down to an input voltage of around 3.5V, but it's recommended to keep the input voltage above 4V for optimal performance.
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The output voltage of the LP2981AIM5-3.3 is fixed at 3.3V, but you can adjust it by using an external resistor divider network. The output voltage can be calculated using the formula: Vout = 3.3V * (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
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The LP2981AIM5-3.3 can provide a maximum output current of 150mA, but it's recommended to keep the output current below 100mA for optimal performance and to prevent overheating.