LP2981IM5-3.1
- Mfr.Part #
- LP2981IM5-3.1
- Manufacturer
- National Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED LDO REG
- Stock
- 18,009
- In Stock :
- 18,009
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Voltage Dropout (Max) :
- 0.37V @ 100mA
- Dropout Voltage1-Nom :
- 0.2V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Min Current Limit :
- 150mA
- Output Configuration :
- Positive
- Packaging :
- Tape and Reel (TR)
- Output Voltage :
- 3.1V
- Control Features :
- Enable
- Number of Terminations :
- 5
- Terminal Pitch :
- 0.95mm
- ECCN Code :
- EAR99
- Operating Temperature :
- -40°C~125°C
- Number of Regulators :
- 1
- Dropout Voltage :
- 200mV
- Pin Count :
- 5
- Pbfree Code :
- yes
- Number of Outputs :
- 1
- Mount :
- Surface Mount
- Base Part Number :
- LP2981
- Terminal Form :
- Gull wing
- Length :
- 2.92mm
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Package / Case :
- SC-74A, SOT-753
- Terminal Position :
- Dual
- Current - Quiescent (Iq) :
- 95μA
- RoHS Status :
- ROHS3 Compliant
- Qualification Status :
- Not Qualified
- JESD-609 Code :
- e3
- JESD-30 Code :
- R-PDSO-G5
- Voltage - Input (Max) :
- 16V
- Mounting Type :
- Surface Mount
- Output Type :
- FIXED
- Output Voltage 1 :
- 3.1V
- Terminal Finish :
- Matte Tin (Sn)
- Peak Reflow Temperature (Cel) :
- 260
- Current - Supply (Max) :
- 1.7mA
- Current - Output :
- 100mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage Tolerance-Max :
- 3.5%
- Packing Method :
- Tape and Reel
- PSRR :
- 63dB (1kHz)
- Number of Functions :
- 1
- Datasheets
- LP2981IM5-3.1

Voltage Regulators - Linear National Semiconductor LP2981IM5-3.1 Overview
The Voltage Regulators - Linear National Semiconductor LP2981IM5-3.1 is a highly reliable, fixed output low-dropout (LDO) regulator designed to deliver a constant 3.1V output from a variable input voltage source. This compact IC regulator is engineered by National Semiconductor, a trusted name in analog technology, ensuring robust performance for critical applications. With its high accuracy and ultra-low dropout performance, it is ideal for maintaining stable voltage levels in sensitive electronic devices, enhancing system reliability and operational efficiency.
LP2981IM5-3.1 Features
This linear voltage regulator features a minimal dropout voltage, making it suitable for applications with a tight power supply voltage range. It offers a high degree of stability and noise immunity, with built-in current and thermal limiting to enhance safety. The LP2981IM5-3.1’s small SOT-23 packaging allows for efficient use in space-constrained applications, ensuring a versatile solution for various electronic assemblies.
LP2981IM5-3.1 Applications
- Mobile Devices: Provides stable power supply for extended battery life and efficient power management in smartphones and tablets.
- Portable Medical Equipment: Ensures accurate and reliable voltage regulation, critical for devices like portable glucose monitors and blood pressure meters.
- Wearable Technology: Ideal for use in fitness trackers and smartwatches, where consistent power delivery is necessary for accurate sensor functioning.
- Embedded Systems: Supports microcontrollers and other digital logic components by providing a stable voltage environment, crucial for reliable system performance.
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