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LDO Voltage Regulators 5 Volt, 3 Amp Voltage Regulator

Quantity Unit Price(USD) Ext. Price
1 $4.820 $4.82
200 $1.866 $373.20
500 $1.799 $899.50
1000 $1.768 $1,768.00


*The price is for reference only.
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  • Part Number : LT323AT#PBF

  • Package/Case : TO-220-3

  • Brands : ADI

  • Components Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

  • Datesheet : LT323AT#PBF DataSheet (PDF)

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Overview of LT323AT#PBF

Linear Voltage Regulator IC Positive Fixed 1 Output 3A TO-220-3

Key Features

  • Fixed Output Voltage: The LT323AT#PBF offers a fixed output voltage, providing a stable reference for various electronic circuits.
  • Low Dropout Voltage: With low dropout voltage characteristics, this regulator ensures efficient operation even when the input voltage is close to the desired output voltage.
  • Current Limiting: The device includes built-in current limiting features, enhancing its robustness and reliability under varying load conditions.
  • Thermal Shutdown: Equipped with thermal shutdown protection, the LT323AT#PBF safeguards against excessive temperature conditions.

Note: For detailed technical specifications, please refer to the LT323AT#PBF datasheet.


  • Power Supply Regulation: Ideal for regulating power supplies in various electronic devices.
  • Voltage Reference: Used as a stable voltage reference in precision analog circuits.
  • Battery-Powered Devices: Suitable for battery-operated devices where efficient power management is crucial.
  • Embedded Systems: Applied in embedded systems for voltage regulation and stabilization.


The LT323AT#PBF functions as a fixed output voltage regulator, maintaining a stable and precisely controlled output voltage. Its low dropout voltage, current limiting, and thermal shutdown features make it suitable for a variety of power supply applications.

Usage Guide

  • Input Power Connection: Connect the input power source to the IN pin.
  • Output Connection: Connect the load to the OUT pin.
  • External Components: Connect external capacitors as per the datasheet recommendations for stable operation.


For similar functionalities, consider these alternatives to the LT323AT#PBF:

LT323CT-5: A variant with a different output voltage.

Frequently Asked Questions

Q: What is the dropout voltage of the LT323AT#PBF?
A: Refer to the datasheet for specified dropout voltage values under recommended operating conditions.

Q: Can the LT323AT#PBF be used in automotive applications?
A: It is recommended to consult the datasheet and specific application requirements for detailed information on the device's suitability for automotive applications.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LT323AT#PBF Pbfree Code No
Rohs Code No Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC Package Description TO-220, SIP3,.1TB
Pin Count 3 Manufacturer Package Code 05-08-1420
Reach Compliance Code not_compliant Samacsys Manufacturer Analog Devices
Adjustability FIXED Dropout Voltage1-Nom 2.5 V
Input Voltage Absolute-Max 20 V Input Voltage-Max 15 V
Input Voltage-Min 7.5 V JESD-30 Code R-PSFM-T3
JESD-609 Code e3 Line Regulation-Max 0.01%
Load Regulation-Max 0.05% Moisture Sensitivity Level 1
Number of Functions 1 Number of Outputs 1
Number of Terminals 3 Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min Output Current1-Max 3 A
Output Voltage1-Max 5.15 V Output Voltage1-Min 4.85 V
Output Voltage1-Nom 5 V Package Body Material PLASTIC/EPOXY
Package Code TO-220 Package Equivalence Code SIP3,.1TB
Package Shape RECTANGULAR Package Style FLANGE MOUNT
Peak Reflow Temperature (Cel) 245 Qualification Status Not Qualified
Technology BIPOLAR Terminal Finish MATTE TIN OVER NICKEL
Terminal Form THROUGH-HOLE Terminal Position SINGLE
Voltage Tolerance-Max 3%

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