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LP3981IMM-2.83 The Texas Instruments LP3981IMM-2.83 is a micropower, 300mA ultra-low-dropout CMOS voltage regulator. It offers a fixed 2.83V output and operates from a 2.5V to 6V input range.
Mfr Part #:

LP3981IMM-2.83

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LP3981IMM-2.83 is a micropower, 300mA ultra-low-dropout CMOS voltage regulator. It offers a fixed 2.83V output and operates from a 2.5V to 6V input range.
✓ Total Stock: 1,000 pcs
$ Price Range: $0.28

LP3981IMM-2.83 Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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1,000 pcs
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LP3981IMM-2.83 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LP3981IMM-2.83 Description

Short technical summary and product information.

The LP3981IMM-2.83 is a high-performance linear voltage regulator from Texas Instruments, designed for battery-powered systems requiring low noise and low dropout voltage. It delivers up to 300mA of output current with a stable 2.83V fixed output.

 

Key electrical specifications include an input voltage range of 2.5V to 6V, a low dropout voltage of typically 132mV at 300mA, and a quiescent current of less than 1µA in shutdown mode. The regulator also features a Power Supply Rejection Ratio (PSRR) of 60dB at 1kHz and output noise of 35μVrms over a 10Hz to 100kHz bandwidth.

 

Designed for space-constrained applications, the LP3981IMM-2.83 is available in a compact 8-VSSOP package and supports surface mount installation. It includes protection features such as over-current, over-temperature, and short-circuit protection, making it suitable for portable information appliances, cellular handsets, and other battery-operated wireless applications.

LP3981IMM-2.83 Quick Information

Product Type: Linear Voltage Regulator
Series: LP3981
Canonical Name: LP3981IMM-2.83 Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator
Subcategory: LDO Voltage Regulators

LP3981IMM-2.83 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LP3981IMM-2.83 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LP3981IMM-2.83 Features

  • Micropower 300mA ultra-low-dropout regulator.
  • Fixed 2.83V output voltage.
  • Wide 2.5V to 6V input voltage range.
  • Low quiescent current for battery life.
  • Compact 8-VSSOP surface mount package.

LP3981IMM-2.83 Applications

  • Ideal for battery-powered systems.
  • Suitable for cellular handsets.
  • Used in portable information appliances.
  • Enables low noise power regulation.

LP3981IMM-2.83 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LP3981IMM-2.83?

The LP3981IMM-2.83 has a fixed output voltage of 2.83V.

What is the maximum output current for the LP3981IMM-2.83?

The maximum output current for the LP3981IMM-2.83 is 300mA.

What is the input voltage range for the LP3981IMM-2.83?

The input voltage range for the LP3981IMM-2.83 is 2.5V to 6V.

What is the typical dropout voltage at 300mA load?

The typical dropout voltage at a 300mA load is 132mV.

What is the quiescent current in shutdown mode?

The quiescent current in shutdown mode is a maximum of 1µA.

What operating temperature range is supported?

The operating temperature range is -40°C to 125°C.

What package type is the LP3981IMM-2.83 supplied in?

The LP3981IMM-2.83 is supplied in an 8-VSSOP package.

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