ADP122

PRODUCTION

5.5 V Input, 300 mA, Low Quiescent Current, CMOS Linear Regulator, Fixed Output Voltage

Data Sheet (Rev. E) Product Selection Table
Part Models
10
1ku List Price
Starting From $0.42
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Part Details

  • Input voltage supply range: 2.3 V to 5.5 V
  • 300 mA maximum output current
  • Fixed and adjustable output voltage versions
  • Very low dropout voltage:  85 mV at 300 mA load
  • Low quiescent current: 45 μA at no load
  • Low shutdown current: <1 μA
  • Initial accuracy: ±1% accuracy
  • See Data Sheet for additional features
ADP122
5.5 V Input, 300 mA, Low Quiescent Current, CMOS Linear Regulator, Fixed Output Voltage
ADP122 Functional Block Diagram ADP122 Pin Configuration
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Documentation

Data Sheet 1

User Guide 2

Application Note 1

Evaluation Design File 1

Frequently Asked Question 1

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
ADP172
RECOMMENDED FOR NEW DESIGNS 300 mA, Low Quiescent Current, CMOS Linear Regulator
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • ADP122-1.8
  • ADP122-2.0
  • ADP122-2.5
  • ADP122-2.6
  • ADP122-2.7
  • ADP122-2.8
  • ADP122-2.85
  • ADP122-2.9
  • ADP122-3.0
  • ADP122-3.3

ADI Linear Regulator Design Tool and Parametric Search

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

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LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

EVAL-ADP122

ADP122 Evaluation Board

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Features and Benefits

  • Two fully assembled and tested evaluation boards per kit
  • Full set of IC voltage options in each kit
  • 3 samples of each IC voltage option packed in separate antistatic bags
  • Kit allows the user to quickly evaluate all IC voltage options
  • Only need to order one kit per product family

Product Details

This product has individual evaluations boards at specific voltages or with specific features as well as the RedyKit&tm;. The RedyKit simplifies product evaluation by providing two assembled and tested evaluation boards, plus a full set of product (voltage) options for an IC regulator. All the IC options come sorted and stored in the kit with the Analog Devices part number clearly printed on each antistatic zip-top bag.


Simple device measurements such as line and load regulation, dropout, and ground current can be demonstrated with just a single voltage supply, a voltmeter, a current meter, and load resistors.
EVAL-ADP122
ADP122 Evaluation Board

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