LP2981AIM5-3.3
- Mfr.Part #
- LP2981AIM5-3.3
- Manufacturer
- Texas Instruments
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC REG LINEAR 3.3V 100MA SOT23-5
- Stock
- 10,714
- In Stock :
- 10,714
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Regulators - Linear
- Lifecycle Status :
- NRND (Last Updated: 2 days ago)
- Dropout Voltage :
- 200mV
- Accuracy :
- 1 %
- Operating Temperature :
- -40°C~125°C
- Number of Pins :
- 5
- Output Voltage :
- 3.3V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Radiation Hardening :
- No
- Base Part Number :
- LP2981
- Lead Free :
- Contains Lead
- Dropout Voltage1-Nom :
- 0.2V
- Pin Count :
- 5
- Min Input Voltage :
- 2.1V
- Terminal Position :
- Dual
- Mount :
- Surface Mount
- Control Features :
- Enable
- Max Output Current :
- 100mA
- Number of Regulators :
- 1
- PSRR :
- 63dB (1kHz)
- Terminal Form :
- Gull wing
- Current Rating :
- 100mA
- Current - Quiescent (Iq) :
- 95μA
- Packaging :
- Tape and Reel (TR)
- Package / Case :
- SC-74A, SOT-753
- ECCN Code :
- EAR99
- Output Voltage Accuracy :
- 1 %
- Length :
- 2.9mm
- Width :
- 1.6mm
- Output Type :
- FIXED
- Thickness :
- 1.2mm
- Height :
- 1.45mm
- Number of Terminations :
- 5
- Output Configuration :
- Positive
- Number of Outputs :
- 1
- Min Current Limit :
- 150mA
- Mounting Type :
- Surface Mount
- Number of Functions :
- 1
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Output Voltage 1 :
- 3.3V
- Voltage - Input (Max) :
- 16V
- Packing Method :
- TR
- Quiescent Current :
- 65μA
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e0
- Voltage Dropout (Max) :
- 0.37V @ 100mA
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- RoHS Status :
- Non-RoHS Compliant
- Current - Supply (Max) :
- 1.7mA
- Datasheets
- LP2981AIM5-3.3

Voltage Regulators - Linear Texas Instruments LP2981AIM5-3.3 Overview
The Texas Instruments LP2981AIM5-3.3 is a precision-engineered voltage regulator, specifically designed to maintain a constant 3.3V output from a higher voltage supply. This component ensures stable performance and high reliability in a compact SOT-23-5 package, making it an ideal choice for space-sensitive applications. The LP2981AIM5-3.3 offers a low dropout voltage and a low quiescent current, which greatly enhances the energy efficiency of the device it powers. The robust design of the Voltage Regulators - Linear Texas Instruments LP2981AIM5-3.3 makes it highly effective for managing power in microcontroller systems, ensuring consistent performance and operational stability.
LP2981AIM5-3.3 Features
This device includes several key features that make it an excellent choice for precise power management requirements:
- Output voltage fixed at 3.3V with a tolerance of ±0.5% at 25°C
- Low dropout voltage of typically 120mV at 100mA load, enhancing its efficiency
- Low ground pin current (850 µA typical) at 100mA load, minimizing the power loss in idle mode
- Thermal-overload and short-circuit protection features ensure long-term reliability
- Noise reduction capability with an optional bypass capacitor
LP2981AIM5-3.3 Applications
- Portable Devices: Utilized in smartphones, tablets, and other portable electronics, providing stable power supply with minimal battery drain.
- Microcontroller Power Supply: Ensures a clean and stable 3.3V output, crucial for microcontrollers and other digital logic devices to operate efficiently and reliably.
- Battery-Powered Equipment: Ideal for use in battery-powered applications due to its low dropout voltage and quiescent current, which extend battery life.
- Sensor Systems: Powers sensors in industrial and commercial applications, where consistent voltage levels are necessary for accurate readings.
- Medical Devices: Employed in various medical devices that require consistent and reliable power management for sensitive medical instrumentation.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















