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SMZJ3805BHE3/52
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SMZJ3805BHE3/52

Introduction

The SMZJ3805BHE3/52 is a semiconductor product belonging to the category of voltage regulators. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Regulating voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-263-2
  • Essence: Efficient voltage regulation
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Output Current: 5A
  • Dropout Voltage: 1.5V at 5A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage

Functional Features

  • High Precision: Provides accurate output voltage regulation
  • Low Dropout Voltage: Ensures efficient operation even with small voltage differentials
  • Thermal Shutdown Protection: Safeguards the regulator from overheating

Advantages and Disadvantages

Advantages

  • High precision regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Wide input voltage range

Disadvantages

  • Higher quiescent current compared to some alternatives
  • Limited to 5A output current

Working Principles

The SMZJ3805BHE3/52 operates by comparing the reference voltage with the feedback voltage to adjust the output voltage. It utilizes a pass transistor to regulate the output voltage and incorporates thermal shutdown protection to prevent damage due to excessive heat.

Detailed Application Field Plans

The SMZJ3805BHE3/52 is suitable for various applications including: - Power supplies - Battery charging circuits - Industrial automation systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

  • LM317: A widely used adjustable positive voltage regulator
  • LM2940: Low dropout voltage regulator with current limiting
  • LT1086: High current positive voltage regulator with thermal shutdown

In conclusion, the SMZJ3805BHE3/52 is a versatile voltage regulator with high precision and thermal protection, making it suitable for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMZJ3805BHE3/52 i tekniska lösningar

  1. What is the SMZJ3805BHE3/52?

    • The SMZJ3805BHE3/52 is a high-efficiency, low-profile surface mount voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range of the SMZJ3805BHE3/52?

    • The input voltage range of the SMZJ3805BHE3/52 is typically 4.5V to 36V.

  3. What is the output voltage range of the SMZJ3805BHE3/52?

    • The output voltage range of the SMZJ3805BHE3/52 is typically 0.8V to 33V.

  4. What is the maximum output current of the SMZJ3805BHE3/52?

    • The maximum output current of the SMZJ3805BHE3/52 is typically 3A.

  5. What are the typical applications of the SMZJ3805BHE3/52?

    • The SMZJ3805BHE3/52 is commonly used in industrial automation, telecommunications equipment, and power supplies.

  6. What are the key features of the SMZJ3805BHE3/52?

    • The SMZJ3805BHE3/52 features include high efficiency, low dropout voltage, and thermal shutdown protection.

  7. What is the operating temperature range of the SMZJ3805BHE3/52?

    • The operating temperature range of the SMZJ3805BHE3/52 is typically -40°C to 125°C.

  8. Does the SMZJ3805BHE3/52 require external components for operation?

    • Yes, the SMZJ3805BHE3/52 requires external capacitors and resistors for proper operation.

  9. Is the SMZJ3805BHE3/52 RoHS compliant?

    • Yes, the SMZJ3805BHE3/52 is RoHS compliant, ensuring it meets environmental standards.

  10. What are the recommended PCB layout guidelines for the SMZJ3805BHE3/52?

    • The recommended PCB layout guidelines include minimizing trace lengths, placing input and output capacitors close to the device, and providing adequate thermal relief for the ground pad.