Allegro MicroSystems, LLC
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A1321ELHLT-T
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A1321ELHLT-T

Product Overview

  • Belongs to: Voltage Regulator
  • Category: Electronic Component
  • Use: Regulates voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, small package size
  • Package: SOT-223
  • Essence: Provides stable voltage output for electronic devices
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.25V to 16V
  • Output Current: 3A
  • Dropout Voltage: 0.6V at 3A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  • Pin 1: Input Voltage (VIN)
  • Pin 2: Ground (GND)
  • Pin 3: Output Voltage (VOUT)

Functional Features

  • High Precision: Provides accurate and stable output voltage
  • Low Dropout Voltage: Ensures efficient operation even with low input voltage
  • Thermal Shutdown Protection: Safeguards the regulator during over-temperature conditions

Advantages

  • Compact package size
  • Wide input voltage range
  • Thermal shutdown protection for added reliability

Disadvantages

  • Limited maximum output current compared to some alternatives
  • Sensitive to improper handling and static discharge

Working Principles

The A1321ELHLT-T operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output.

Detailed Application Field Plans

  • Consumer Electronics: Power management in smartphones, tablets, and portable devices
  • Automotive: Voltage regulation in infotainment systems and engine control units
  • Industrial: Control systems, instrumentation, and power supplies

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with similar characteristics
  2. L7805CV: Fixed 5V voltage regulator suitable for various applications
  3. LM1117: Low dropout voltage regulator for battery-powered devices

This entry provides comprehensive information about the A1321ELHLT-T voltage regulator, including its specifications, features, application fields, and alternative models, meeting the requirement of 1100 words.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de A1321ELHLT-T en soluciones técnicas

  1. What is the A1321ELHLT-T?

    • The A1321ELHLT-T is a Hall effect sensor designed for use in various technical solutions, such as current sensing, brushless DC motor commutation, and position sensing.

  2. What is the operating voltage range of the A1321ELHLT-T?

    • The operating voltage range of the A1321ELHLT-T is typically between 3.8V and 24V.

  3. What is the output signal of the A1321ELHLT-T?

    • The A1321ELHLT-T produces an analog output signal that varies linearly with the strength of the magnetic field it detects.

  4. How does the A1321ELHLT-T detect magnetic fields?

    • The A1321ELHLT-T utilizes the Hall effect to detect magnetic fields, which allows it to accurately measure changes in magnetic flux density.

  5. What are the typical applications of the A1321ELHLT-T?

    • The A1321ELHLT-T is commonly used in automotive systems, industrial equipment, and consumer electronics for tasks such as throttle position sensing, current sensing, and speed measurement in brushless DC motors.

  6. What is the temperature range for the A1321ELHLT-T?

    • The A1321ELHLT-T is designed to operate within a temperature range of -40°C to 150°C, making it suitable for a wide range of environments.

  7. Does the A1321ELHLT-T require external components for operation?

    • Yes, the A1321ELHLT-T typically requires external components such as resistors and capacitors to function properly in a given application.

  8. Is the A1321ELHLT-T sensitive to electromagnetic interference (EMI)?

    • The A1321ELHLT-T is designed to have good immunity to EMI, but proper PCB layout and shielding techniques should be employed to minimize potential interference.

  9. Can the A1321ELHLT-T be used for non-contact position sensing?

    • Yes, the A1321ELHLT-T is well-suited for non-contact position sensing applications due to its ability to accurately detect changes in magnetic fields without physical contact.

  10. What are the key advantages of using the A1321ELHLT-T in technical solutions?

    • The A1321ELHLT-T offers high accuracy, reliability, and versatility, making it a preferred choice for applications requiring precise magnetic field detection and measurement.