LP2981IM5-3.3
- Mfr.Part #
- LP2981IM5-3.3
- Manufacturer
- National Semiconductor
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- LP2981-N MICROPOWER 100 MA ULTRA
- Stock
- 22,217
- In Stock :
- 22,217
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Output Voltage :
- 3.3V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Lead Free :
- Contains Lead
- Radiation Hardening :
- No
- Base Part Number :
- LP2981
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Current - Supply (Max) :
- 1.7mA
- Voltage :
- 3.3V
- RoHS Status :
- Non-RoHS Compliant
- Output Voltage 1 :
- 3.3V
- Number of Regulators :
- 1
- Dropout Voltage :
- 200mV
- Mounting Type :
- Surface Mount
- Max Output Voltage :
- 3.3V
- Max Output Current :
- 100mA
- JESD-609 Code :
- e0
- Nominal Output Voltage :
- 3.3V
- Output Voltage Accuracy :
- 2 %
- Number of Pins :
- 5
- Max Supply Voltage :
- 16V
- Number of Terminations :
- 5
- Voltage Dropout (Max) :
- 0.37V @ 100mA
- Operating Temperature :
- -40°C~125°C
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Width :
- 1.6mm
- Terminal Position :
- Dual
- Quiescent Current :
- 65μA
- Current Rating :
- 100A
- Terminal Form :
- Gull wing
- REACH SVHC :
- No SVHC
- Output Configuration :
- Positive
- Mount :
- Surface Mount
- Pin Count :
- 5
- Accuracy :
- 2 %
- Peak Reflow Temperature (Cel) :
- 260
- Current - Quiescent (Iq) :
- 95μA
- Number of Functions :
- 1
- Control Features :
- Enable
- Min Current Limit :
- 150mA
- Height :
- 1.45mm
- Min Supply Voltage :
- 4.3V
- Number of Outputs :
- 1
- Dropout Voltage1-Nom :
- 0.2V
- Lifecycle Status :
- NRND (Last Updated: 2 days ago)
- PSRR :
- 63dB (1kHz)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- FIXED
- Packing Method :
- TR
- Min Input Voltage :
- 2.1V
- Length :
- 2.9mm
- Thickness :
- 1.2mm
- Package / Case :
- SC-74A, SOT-753
- Datasheets
- LP2981IM5-3.3

Voltage Regulators - Linear National Semiconductor LP2981IM5-3.3 Overview
The LP2981IM5-3.3 by National Semiconductor stands out in the market of Voltage Regulators - Linear due to its high performance and reliability. This micropower, 100 mA ultra-low-dropout (LDO) linear regulator is specifically designed for battery-powered applications where low quiescent current is a critical parameter. The LP2981IM5-3.3 provides a steady, stable voltage output with an extremely low dropout voltage of just 300 mV at full load, which enhances the efficiency and longevity of battery-operated systems. This product's ability to maintain output stability with low input voltage makes it an excellent choice for advanced, portable electronic devices.
LP2981IM5-3.3 Features
The LP2981IM5-3.3 features include an ultra-low dropout, making it ideal for applications with tight voltage margins. With a maximum output current of 100 mA, it is particularly suited for small-scale, high-efficiency designs. The device also offers over-temperature and over-current protection, ensuring reliable operation under stress conditions. Moreover, the shutdown feature reduces power consumption when the device is not in use, further prolonging battery life in portable applications.
LP2981IM5-3.3 Applications
- Portable Devices: Utilized in smartphones, tablets, and other portable electronics, the LP2981IM5-3.3 helps in extending battery life while providing consistent performance.
- Medical Devices: Ideal for battery-operated medical devices such as portable glucose monitors and blood pressure monitors, ensuring device reliability and precision.
- Wearable Technology: Used in smartwatches and fitness trackers, this regulator supports compact designs and prolonged usage on a single charge.
- Wireless Communications: Applied in wireless modules and IoT devices, the LP2981IM5-3.3 ensures stable operation even with fluctuating power inputs typical in wireless environments.
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