LP3981IMM-3.3
- Mfr.Part #
- LP3981IMM-3.3
- Manufacturer
- Texas Instruments
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC REG LINEAR 3.3V 300MA 8VSSOP
- Stock
- 25,260
- In Stock :
- 25,260
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- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Regulators - Linear
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Control Features :
- Enable
- Terminal Form :
- Gull wing
- Width :
- 3mm
- Lifecycle Status :
- NRND (Last Updated: 2 days ago)
- Accuracy :
- 2 %
- Terminal Pitch :
- 0.65mm
- JESD-609 Code :
- e0
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Current - Quiescent (Iq) :
- 120μA
- Output Type :
- FIXED
- Number of Outputs :
- 1
- Qualification Status :
- Not Qualified
- Voltage - Input (Max) :
- 6V
- Max Output Current :
- 300mA
- Pin Count :
- 8
- Mount :
- Surface Mount
- Number of Functions :
- 1
- Lead Free :
- Contains Lead
- Max Power Dissipation :
- 476mW
- Number of Regulators :
- 1
- Base Part Number :
- LP3981
- Number of Pins :
- 8
- Terminal Position :
- Dual
- Height :
- 1.07mm
- Output Voltage :
- 3.3V
- Min Current Limit :
- 300mA
- Dropout Voltage :
- 132mV
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peak Reflow Temperature (Cel) :
- 260
- Thickness :
- 970μm
- Output Voltage Accuracy :
- 2 %
- Input Voltage Absolute-Max :
- 6.5V
- Current - Supply (Max) :
- 210μA
- Output Configuration :
- Positive
- Length :
- 3mm
- Reach Compliance Code :
- not_compliant
- Quiescent Current :
- 70µA
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Power Dissipation :
- 476mW
- Output Voltage 1 :
- 3.3V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Voltage Tolerance-Max :
- 3%
- Min Input Voltage :
- 2.7V
- Voltage Dropout (Max) :
- 0.2V @ 300mA
- Packing Method :
- TR
- Operating Temperature :
- -40°C~125°C
- Number of Terminations :
- 8
- Dropout Voltage1-Nom :
- 0.132V
- PSRR :
- 50dB ~ 55dB (1kHz ~ 10kHz)
- RoHS Status :
- Non-RoHS Compliant
- Datasheets
- LP3981IMM-3.3

Voltage Regulators - Linear Texas Instruments LP3981IMM-3.3 Overview
The Voltage Regulators - Linear Texas Instruments LP3981IMM-3.3 is a highly efficient, compact, and reliable solution designed to meet the rigorous demands of modern electronic applications. This linear voltage regulator delivers a fixed output of 3.3V and a current up to 300mA, making it an ideal choice for stable voltage supply. Its small form factor, encapsulated in an 8-VSSOP package, ensures minimal footprint on circuit boards, enhancing its integration in space-constrained applications. The LP3981IMM-3.3 stands out for its low-dropout operation, which guarantees efficient performance even in scenarios where input voltage closely approximates the output voltage, ensuring consistent device functionality.
LP3981IMM-3.3 Features
This regulator is equipped with several advanced features that ensure high performance across various applications. Key features include thermal shutdown and short-circuit protection which safeguard the device and the application against potential damage from overheating and overcurrent conditions. Furthermore, its low dropout voltage makes it suitable for battery-operated devices by maximizing the usable range of the battery's life. The LP3981IMM-3.3 also offers low noise operation, which is crucial for sensitive RF and analog applications where noise can significantly affect performance.
LP3981IMM-3.3 Applications
- Portable Devices: Utilized in smartphones, tablets, and portable media players where stable and efficient voltage is necessary for consistent operation and extended battery life.
- Wireless Communication Equipment: Ideal for use in RF transceivers and other communication devices, providing a low-noise power supply that enhances signal integrity.
- Microcontroller Power Supply: Powers microcontrollers in various consumer electronics, ensuring that they operate efficiently with a stable voltage, which is critical for maintaining the overall device reliability.
- Healthcare Devices: Applied in medical monitoring devices, where precise and reliable voltage regulation is essential for accurate readings and device safety.
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