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Manufacturer Part #

LD2981ABU33TR

LD2981 Series 100 mA 3.3 V Fixed Output LDO Regulator with Inhibit - SOT-89

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Date Code:
Product Specification Section
Technical Attributes
Attributes Table
Input Voltage-Min: 2.5V
Input Voltage-Max: 16V
Output Voltage Fixed: 3.3V
Dropout Voltage-Max: 375mV
Output Current-Max: 100mA
Tolerance (%): ±0.75%
Operating Temp Range: -40°C to +125°C
Regulator Topology: Fixed
Quiescent Current: 2600µA
No. of Outputs: Single
Output Noise: 160µV
Line Regulation (%): 0.032%
Package Style:  SOT-89 (SC-62)
Mounting Method: Surface Mount
Features & Applications

The LD2981ABU33TR is a ultra low quiescent current, low drop voltage regulator with an output voltage of 3.3 V and an output current up to 100 mA. It is available in surface mount SOT-89-3 package.

This device is suitable for low noise, low power applications, battery powered systems and is designed to work with low ESR ceramic capacitors.

Features:

  • Stable with low ESR ceramic capacitors
  • Ultra low dropout voltage
  • Very low quiescent current
  • Guaranteed output current up to 100mA
  • Logic-controlled electronic shutdown
  • Output voltage of 2.5; 3.0; 3.3; 5.0V
  • Internal current and thermal limit
  • ±0.75% tolerance output voltage available
  • Output low noise voltage 160µVRMS
  • Temperature range: -40 to 125°C
  • Smallest package SOT23-5L and SOT-89
  • Fast dynamic response to line and load changes

Applications:

  • Cellular phone
  • Laptop computer
  • Personal digital assistant (PDA)
  • Personal stereo
  • Camcorder and camera
Pricing Section
Global Stock:
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Germany (Online Only):
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On Order:
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Factory Stock:Factory Stock:
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Minimum Order:
2500
Multiple Of:
2500
Total
$662.50
USD
Quantity
Web Price
2,500
$0.265
5,000
$0.25
7,500
$0.24
10,000
$0.225
12,500+
$0.215