IDT, Integrated Device Technology Inc
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72V03L35J8
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72V03L35J8

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Input Voltage: 72V
    • Output Voltage: 3.3V
    • Package Type: TO-220
    • Essence: Linear Regulator
    • Packaging/Quantity: Tube/50 pieces per tube

Specifications

  • Input Voltage Range: 7V to 80V
  • Output Voltage: 3.3V ±5%
  • Output Current: Up to 3A
  • Dropout Voltage: 1.2V typical at 3A
  • Line Regulation: 0.02%/V
  • Load Regulation: 0.04%/A
  • Operating Temperature Range: -40°C to +125°C
  • Package: TO-220

Detailed Pin Configuration

The 72V03L35J8 IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin

Functional Features

  • High input voltage capability
  • Low dropout voltage
  • Excellent line and load regulation
  • Overcurrent and thermal protection
  • Short-circuit protection
  • Fast transient response

Advantages

  • Wide input voltage range allows for versatile applications
  • Low dropout voltage minimizes power dissipation
  • Precise output voltage regulation ensures stable performance
  • Built-in protection features enhance reliability
  • Fast transient response enables quick load changes

Disadvantages

  • Higher power dissipation compared to switching regulators
  • Limited output current compared to some high-power applications

Working Principles

The 72V03L35J8 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor to maintain a stable output voltage. The dropout voltage is the minimum voltage required for the regulator to operate correctly.

Detailed Application Field Plans

The 72V03L35J8 is suitable for various applications that require a regulated 3.3V power supply from a high input voltage source. Some potential application fields include:

  1. Industrial automation systems
  2. Automotive electronics
  3. Power distribution systems
  4. Telecommunications equipment
  5. Renewable energy systems

Detailed and Complete Alternative Models

  • 72V05L35J8: Output voltage of 5V instead of 3.3V
  • 72V03L50J8: Higher output current capability of 5A
  • 72V03L33J8: Lower output voltage of 3.3V

These alternative models provide flexibility based on specific requirements while maintaining similar characteristics and package type.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением 72V03L35J8 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of 72V03L35J8 in technical solutions:

  1. Q: What is the purpose of the 72V03L35J8 component? A: The 72V03L35J8 is a voltage regulator that provides a stable output voltage of 3.3V from an input voltage range of 7V to 72V.

  2. Q: What are the typical applications of the 72V03L35J8? A: The 72V03L35J8 is commonly used in automotive, industrial, and power management systems where a regulated 3.3V supply is required.

  3. Q: How does the 72V03L35J8 handle high input voltages? A: The 72V03L35J8 utilizes a step-down switching regulator topology to efficiently convert high input voltages to a stable 3.3V output.

  4. Q: Can the 72V03L35J8 handle input voltage fluctuations? A: Yes, the 72V03L35J8 has built-in protection features like overvoltage and undervoltage lockout, which help it withstand input voltage variations.

  5. Q: What is the maximum current rating of the 72V03L35J8? A: The 72V03L35J8 can provide a maximum output current of 3.5A, making it suitable for powering various loads.

  6. Q: Does the 72V03L35J8 require any external components for operation? A: Yes, the 72V03L35J8 typically requires input and output capacitors, as well as an inductor, to form a complete voltage regulation circuit.

  7. Q: Can the 72V03L35J8 operate in a wide temperature range? A: Yes, the 72V03L35J8 is designed to operate reliably in a temperature range of -40°C to +125°C, making it suitable for harsh environments.

  8. Q: Is the 72V03L35J8 available in different package options? A: Yes, the 72V03L35J8 is available in various package options like TO-220, SOIC, and DFN, providing flexibility for different PCB layouts.

  9. Q: Does the 72V03L35J8 have any protection features? A: Yes, the 72V03L35J8 includes features like thermal shutdown, current limit, and short-circuit protection to ensure safe operation.

  10. Q: Are there any recommended design guidelines for using the 72V03L35J8? A: Yes, the datasheet of the 72V03L35J8 provides detailed application notes and guidelines for optimal performance and reliability.

Please note that the specific details and answers may vary depending on the manufacturer's specifications and application requirements.