• LM317AMDT/NOPB TO252-3
LM317AMDT/NOPB TO252-3

LM317AMDT/NOPB

Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin(2+Tab) TO-252 Tube

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Overview of LM317AMDT/NOPB

The LM317AMDT/NOPB is an adjustable voltage regulator IC capable of providing output voltages from 1.25V to 37V with a current rating of 1.5A. It serves as a versatile solution for various voltage regulation applications, offering flexibility and reliability.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • ADJ: Adjust pin for setting the output voltage.
  • OUT: Output pin for the regulated voltage.
  • IN: Input pin for the unregulated voltage source.

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM317AMDT/NOPB IC for a clear understanding of its usage.

Key Features

  • Adjustable Output Voltage: Allows for a wide range of output voltage settings.
  • High Current Capability: Capable of handling currents up to 1.5A for powering various loads.
  • Thermal Regulation: Includes thermal overload protection and current limit for safe operation.
  • Low Dropout Voltage: Provides efficient regulation with low dropout voltage, minimizing power dissipation.
  • Short-Circuit Protection: Features built-in protection against short circuits for reliability.

Note: For detailed technical specifications, please refer to the LM317AMDT/NOPB datasheet.

Application

  • Power Supply Regulation: Ideal for regulating power supplies in various electronic circuits.
  • Battery Charger: Suitable for designing battery chargers with adjustable output voltages.
  • LED Driver: Can be used as an LED driver by adjusting the output voltage accordingly.

Functionality

The LM317AMDT/NOPB is a versatile voltage regulator IC that allows users to adjust the output voltage as needed. It ensures stable and reliable voltage regulation for different applications.

Usage Guide

  • Input Voltage: Connect the unregulated voltage source to the IN pin.
  • Output Voltage Setting: Adjust the output voltage using the ADJ pin and appropriate resistor values.
  • Load Connection: Connect the load to the OUT pin for regulated power supply.

Frequently Asked Questions

Q: What is the maximum output voltage of the LM317AMDT/NOPB?
A: The LM317AMDT/NOPB can provide an adjustable output voltage up to 37V.

Q: Is thermal protection important for the LM317AMDT/NOPB?
A: Yes, thermal regulation and current limiting features ensure safe operation and protect the IC from overheating.

Equivalent

For similar functionalities, consider these alternatives to the LM317AMDT/NOPB:

  • LM338: A higher current version of the LM317 offering increased current handling capacity.
  • LM1117: A low dropout voltage regulator providing efficient voltage regulation in compact systems.

Specifications

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

Output options Adjustable Output Iout (max) (A) 1.5
Vin (max) (V) 40 Vin (min) (V) 3
Vout (max) (V) 37 Vout (min) (V) 1.2
Noise (µVrms) 38 Iq (typ) (mA) 5
Thermal resistance θJA (°C/W) 24 Rating Catalog, Military
Load capacitance (min) (µF) 0 Regulated outputs (#) 1
Accuracy (%) 5 PSRR at 100 KHz (dB) 40
Dropout voltage (Vdo) (typ) (mV) 2250 Operating temperature range (°C) -40 to 125

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