LP3981ILD-2.5
- Mfr.Part #
- LP3981ILD-2.5
- Manufacturer
- National Semiconductor
- Package / Case
- 6-WDFN Exposed Pad
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED POS LDO REG
- Stock
- 10,187
- In Stock :
- 10,187
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Max Output Current :
- 300mA
- Pin Count :
- 6
- Voltage Tolerance-Max :
- 3%
- Max Power Dissipation :
- 2W
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature :
- -40°C~125°C
- ECCN Code :
- EAR99
- Min Current Limit :
- 300mA
- Lead Free :
- Contains Lead
- Dropout Voltage :
- 132mV
- Packing Method :
- Tape and Reel
- Package / Case :
- 6-WDFN Exposed Pad
- Terminal Position :
- Dual
- Accuracy :
- 2 %
- Output Voltage :
- 2.5V
- Base Part Number :
- LP3981
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Control Features :
- Enable
- Current - Supply (Max) :
- 210μA
- Output Voltage 1 :
- 2.5V
- Voltage Dropout (Max) :
- 0.2V @ 300mA
- Height Seated (Max) :
- 0.8mm
- Number of Pins :
- 6
- Quiescent Current :
- 210μA
- Mounting Type :
- Surface Mount
- Width :
- 3mm
- Terminal Pitch :
- 0.8mm
- Current - Quiescent (Iq) :
- 120μA
- RoHS Status :
- Non-RoHS Compliant
- Packaging :
- Tape and Reel (TR)
- Number of Functions :
- 1
- Peak Reflow Temperature (Cel) :
- 235
- Number of Regulators :
- 1
- PSRR :
- 50dB ~ 55dB (1kHz ~ 10kHz)
- Voltage - Input (Max) :
- 6V
- Dropout Voltage1-Nom :
- 0.132V
- JESD-609 Code :
- e0
- Mount :
- Surface Mount
- Output Type :
- FIXED
- Length :
- 4mm
- Radiation Hardening :
- No
- Min Input Voltage :
- 2.7V
- Pbfree Code :
- No
- Number of Terminations :
- 6
- Output Configuration :
- Positive
- Number of Outputs :
- 1
- Datasheets
- LP3981ILD-2.5

[Voltage Regulators - Linear] National Semiconductor LP3981ILD-2.5 Overview
Introducing the LP3981ILD-2.5 from National Semiconductor, a premier solution in the realm of linear voltage regulators. Designed to exacting standards, this integrated circuit (IC) stands as a paragon of stability and reliability in the ever-evolving landscape of electronics.
With a fixed positive output voltage, this LDO regulator offers steadfast performance, ensuring that your circuits receive the precise power they demand. Whether you're powering intricate digital systems or driving essential analog components, the LP3981ILD-2.5 delivers unwavering voltage regulation, empowering your designs with the confidence to excel.
Experience the epitome of efficiency and precision with this National Semiconductor masterpiece, the LP3981ILD-2.5.
LP3981ILD-2.5 Features
- Fixed Positive Output Voltage: The LP3981ILD-2.5 provides a stable, fixed output voltage, eliminating the need for external adjustment circuitry.
- Low Dropout Voltage: With minimal dropout voltage, this regulator maximizes efficiency, making it ideal for battery-powered applications.
- High PSRR and Low Output Noise: Enjoy clean, reliable power with high power supply rejection ratio (PSRR) and low output noise, ensuring optimal performance in noise-sensitive applications.
- Thermal Shutdown and Current Limit Protection: Safeguard your circuits with built-in thermal shutdown and current limit protection features, enhancing reliability and longevity.
- Small Footprint: With a compact form factor, the LP3981ILD-2.5 conserves board space, making it suitable for space-constrained designs.
- Wide Input Voltage Range: Accommodate diverse input voltage requirements with the LP3981ILD-2.5's wide input voltage range, enabling flexibility in system design.
LP3981ILD-2.5 Applications
- Industrial Automation: Implement the LP3981ILD-2.5 in industrial automation systems to ensure stable power delivery to control modules, sensors, and actuators, enhancing operational reliability and efficiency.
- Telecommunications Infrastructure: Enhance the performance and reliability of telecommunications infrastructure with the LP3981ILD-2.5, delivering consistent power to communication modules, base stations, and network equipment.
- Medical Devices: Ensure the integrity and safety of medical devices with the LP3981ILD-2.5, providing precise power regulation for vital monitoring equipment, diagnostic devices, and therapeutic instruments.
This regulator is seamlessly integrated into programmable logic controllers (PLCs), motor drives, and factory automation equipment, where precision and dependability are paramount.
From cellular base stations to fiber optic network nodes, this regulator plays a vital role in maintaining uninterrupted communication services, even in challenging environmental conditions.
In medical imaging systems, patient monitoring devices, and portable healthcare devices, this regulator contributes to the reliability and accuracy of critical healthcare solutions.
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