LP2989IM-3.3
- Mfr.Part #
- LP2989IM-3.3
- Manufacturer
- National Semiconductor
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED POS LDO 3.3V
- Stock
- 9,036
- In Stock :
- 9,036
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Output Type :
- FIXED
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Output Voltage :
- 3.3V
- Dropout Voltage :
- 310mV
- Terminal Position :
- Dual
- RoHS Status :
- Non-RoHS Compliant
- Base Part Number :
- LP2989
- JESD-609 Code :
- e0
- Lifecycle Status :
- NRND (Last Updated: 1 week ago)
- Voltage Tolerance-Max :
- 5%
- Packaging :
- Tube
- Output Configuration :
- Positive
- Control Features :
- Enable
- Number of Outputs :
- 1
- Peak Reflow Temperature (Cel) :
- 235
- Thickness :
- 1.58mm
- Number of Pins :
- 8
- Voltage Dropout (Max) :
- 0.65V @ 500mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage - Input (Max) :
- 16V
- Current - Quiescent (Iq) :
- 175μA
- ECCN Code :
- EAR99
- Mount :
- Surface Mount
- Min Input Voltage :
- 2.1V
- Number of Functions :
- 1
- Pin Count :
- 8
- Accuracy :
- 1.25 %
- Max Output Current :
- 500mA
- PSRR :
- 60dB (1kHz)
- Radiation Hardening :
- No
- Output Voltage Accuracy :
- 1.25 %
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Width :
- 3.91mm
- Min Current Limit :
- 600mA
- Mounting Type :
- Surface Mount
- Number of Regulators :
- 1
- Current - Supply (Max) :
- 9mA
- Output Voltage 1 :
- 3.3V
- Terminal Form :
- Gull wing
- Length :
- 4.9mm
- Height :
- 1.75mm
- Dropout Voltage1-Nom :
- 0.31V
- Lead Free :
- Contains Lead
- Operating Temperature :
- -40°C~125°C
- Quiescent Current :
- 110μA
- Number of Terminations :
- 8
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Datasheets
- LP2989IM-3.3

Voltage Regulators - Linear National Semiconductor LP2989IM-3.3 Overview
National Semiconductor's LP2989IM-3.3 is a high-performance, fixed voltage linear regulator integrated circuit. Designed with precision and reliability in mind, this IC provides a stable output voltage of 3.3V, making it ideal for various electronic applications where consistent power supply is crucial.
With its low dropout voltage and excellent line and load transient responses, the LP2989IM-3.3 ensures efficient power management and minimizes the need for additional external components, simplifying system design and reducing overall cost. Its compact size and robust construction further enhance its suitability for demanding industrial environments.
Whether powering microcontrollers, sensors, or other sensitive components, the LP2989IM-3.3 excels in delivering clean and regulated power, meeting the stringent requirements of modern electronic systems.
LP2989IM-3.3 Features
- Fixed output voltage of 3.3V
- Low dropout voltage
- Excellent line and load transient responses
- High accuracy and stability over temperature and load variations
- Wide input voltage range
- Short-circuit and thermal protection
- Compact SOT-223 and TO-220 packages
LP2989IM-3.3 Applications
- Industrial automation: The LP2989IM-3.3 ensures stable power supply to control systems, PLCs, and sensors, enhancing overall reliability and performance in industrial environments.
- Embedded systems: Ideal for powering microcontrollers, DSPs, and memory modules in various embedded applications, ensuring consistent operation and preventing data loss due to power fluctuations.
- Telecommunications equipment: Ensures reliable power supply to networking devices, routers, and modems, minimizing downtime and optimizing network performance.
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