LP3981ILD-3.0
- Mfr.Part #
- LP3981ILD-3.0
- Manufacturer
- National Semiconductor
- Package / Case
- 6-WDFN Exposed Pad
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED POS LDO REG
- Stock
- 6,904
- In Stock :
- 6,904
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Control Features :
- Enable
- Output Voltage :
- 3V
- Number of Outputs :
- 1
- Pin Count :
- 6
- JESD-609 Code :
- e0
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~125°C
- Mounting Type :
- Surface Mount
- Output Type :
- FIXED
- Width :
- 3mm
- Number of Pins :
- 6
- Dropout Voltage :
- 132mV
- Voltage - Input (Max) :
- 6V
- Radiation Hardening :
- No
- Current - Quiescent (Iq) :
- 120μA
- Accuracy :
- 2 %
- Pbfree Code :
- No
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Current - Supply (Max) :
- 210μA
- RoHS Status :
- Non-RoHS Compliant
- Base Part Number :
- LP3981
- Package / Case :
- 6-WDFN Exposed Pad
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Length :
- 4mm
- Terminal Pitch :
- 0.8mm
- Quiescent Current :
- 70µA
- PSRR :
- 50dB ~ 55dB (1kHz ~ 10kHz)
- Number of Functions :
- 1
- Output Configuration :
- Positive
- Number of Terminations :
- 6
- Output Voltage 1 :
- 3V
- Mount :
- Surface Mount
- Min Current Limit :
- 300mA
- Dropout Voltage1-Nom :
- 0.132V
- Number of Regulators :
- 1
- Max Power Dissipation :
- 2W
- Height Seated (Max) :
- 0.8mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage Tolerance-Max :
- 3%
- Voltage Dropout (Max) :
- 0.2V @ 300mA
- Lead Free :
- Contains Lead
- Peak Reflow Temperature (Cel) :
- 235
- Max Output Current :
- 300mA
- Min Input Voltage :
- 2.7V
- Datasheets
- LP3981ILD-3.0

Voltage Regulators - Linear National Semiconductor LP3981ILD-3.0 Overview
The LP3981ILD-3.0, manufactured by National Semiconductor, represents a pinnacle of innovation in the field of linear voltage regulators. This low-dropout (LDO) regulator is engineered to provide a fixed positive output with remarkable efficiency and reliability. It is particularly suitable for applications requiring a stable and consistent voltage supply, even under conditions of fluctuating input voltages and varying load conditions. The compact size and robust performance of the LP3981ILD-3.0 make it an excellent choice for space-constrained applications, ensuring that it not only meets but exceeds the stringent requirements of modern electronic devices.
LP3981ILD-3.0 Features
- Fixed output voltage design, ideal for consistent performance
- Low dropout performance for improved efficiency
- Compact package, suitable for space-limited applications
- High reliability under varying input conditions and load fluctuations
LP3981ILD-3.0 Applications
- Smartphones: Used to ensure stable voltage supply in power management circuits, crucial for device reliability and battery life.
- Portable Media Players: Ensures consistent power delivery, enhancing device performance and user experience.
- Wearable Technology: Provides efficient power regulation, essential for the compact electronics used in wearables.
- Healthcare Devices: Reliable voltage regulation is critical for the accurate operation of portable medical devices.
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