LP2981AIM5-4.7
- Mfr.Part #
- LP2981AIM5-4.7
- Manufacturer
- National Semiconductor
- Package / Case
- SOT-23
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED LDO REG
- Stock
- 37,881
- In Stock :
- 37,881
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- RoHS Status :
- RoHS Compliant
- Output Voltage1-Max :
- 4.8175V
- Operating Temperature TJ-Max :
- 125°C
- Length :
- 2.9mm
- Terminal Pitch :
- 0.95mm
- Output Voltage1-Min :
- 4.5825V
- Line Regulation-Max (%/V) :
- 0.0155%
- Regulator Type :
- FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
- ECCN Code :
- EAR99
- Pin Count :
- 5
- JESD-30 Code :
- R-PDSO-G5
- Pbfree Code :
- No
- Input Voltage Absolute-Max :
- 16V
- Dropout Voltage1-Max :
- 0.375V
- Width :
- 1.6mm
- Terminal Position :
- Dual
- Terminal Form :
- Gull wing
- Packaging :
- Cut Tape
- Voltage Tolerance-Max :
- 2.5%
- JESD-609 Code :
- e0
- Number of Functions :
- 1
- Number of Outputs :
- 1
- Lead Free :
- Contains Lead
- HTS Code :
- 8542.39.00.01
- Operating Temperature TJ-Min :
- -40°C
- Package / Case :
- SOT-23
- Surface Mount :
- yes
- Packing Method :
- Tape and Reel
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Finish :
- Tin/Lead (Sn85Pb15)
- Height Seated (Max) :
- 1.2mm
- Peak Reflow Temperature (Cel) :
- 260
- Input Voltage (Max) :
- 16V
- Adjustability :
- FIXED
- Output Voltage 1 :
- 4.7V
- Input Voltage (Min) :
- 5.7V
- Output Current1-Max :
- 0.1A
- Number of Terminations :
- 5
- Qualification Status :
- Not Qualified
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Dropout Voltage1-Nom :
- 0.2V
- Datasheets
- LP2981AIM5-4.7
LP2981AIM5-4.7 Documents

Voltage Regulators - Linear National Semiconductor LP2981AIM5-4.7 Overview
Designed and manufactured by National Semiconductor, the LP2981AIM5-4.7 is a premium low-dropout (LDO) linear voltage regulator, engineered specifically for applications requiring a fixed and stable output voltage. This regulator offers exceptional accuracy and low quiescent current, making it ideal for battery-operated devices where power efficiency is paramount. The LP2981AIM5-4.7 excels in environments where the supply voltage is very close to the output voltage, providing reliable performance with an enhanced lifespan for your applications.
LP2981AIM5-4.7 Features
The LP2981AIM5-4.7 includes several key features that make it a standout choice for critical and power-sensitive applications. It provides a fixed output voltage of 4.7V with a dropout voltage of just 280 mV at full load, ensuring efficient operation. The device supports an output current up to 100 mA, suitable for a wide range of electronic devices. Moreover, it includes thermal shutdown and current limit protections, adding layers of security against overheating and overcurrent conditions.
LP2981AIM5-4.7 Applications
- Portable Devices: Ideal for powering portable electronics such as GPS trackers and handheld gaming devices, where maintaining a stable voltage is crucial to performance.
- Medical Equipment: Utilized in battery-operated medical devices like glucometers and portable pulse oximeters, providing reliable, precise voltage regulation to ensure accurate readings and device safety.
- Telecommunication Equipment: Supports critical telecom devices such as wireless communication modules, helping them to operate efficiently with minimal power loss.
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