Vishay Semiconductor Diodes Division
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SMPZ3920B-M3/84A
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SMPZ3920B-M3/84A

Product Overview

  • Category: Semiconductor
  • Use: Power management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: SOT-223
  • Essence: Voltage regulator
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage: 3.3V
  • Output Current: 500mA
  • Dropout Voltage: 300mV at 500mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Vin (Input voltage)
  2. GND (Ground)
  3. Vout (Output voltage)

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit current limit
  • Reverse polarity protection

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Compact size

Disadvantages

  • Limited output current
  • Higher dropout voltage compared to some alternatives

Working Principles

The SMPZ3920B-M3/84A is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It achieves this by using internal circuitry to adjust the output voltage based on the feedback from the output terminal.

Detailed Application Field Plans

The SMPZ3920B-M3/84A is suitable for various applications requiring a stable 3.3V power supply, such as: - Battery-powered devices - Embedded systems - Industrial automation

Detailed and Complete Alternative Models

  • SMPZ3901B-M3/84A: Similar characteristics but with a lower dropout voltage
  • SMPZ3945B-M3/84A: Higher output current capability but with a larger package size

Note: The alternative models listed above are for reference purposes and may have different specifications.

This completes the English editing encyclopedia entry structure for SMPZ3920B-M3/84A.

10个与SMPZ3920B-M3/84A在技术解决方案中的应用相关的常见问题及解答

  1. What is SMPZ3920B-M3/84A?

    • SMPZ3920B-M3/84A is a high-power, surface-mount silicon power Zener diode designed for voltage regulation and transient overvoltage protection in various technical solutions.

  2. What is the maximum power dissipation of SMPZ3920B-M3/84A?

    • The maximum power dissipation of SMPZ3920B-M3/84A is typically 5 watts.

  3. What is the voltage rating of SMPZ3920B-M3/84A?

    • SMPZ3920B-M3/84A has a voltage rating of 39 volts.

  4. What are the typical applications of SMPZ3920B-M3/84A?

    • SMPZ3920B-M3/84A is commonly used in voltage regulation, surge suppression, and overvoltage protection in power supplies, industrial equipment, and automotive electronics.

  5. What is the operating temperature range of SMPZ3920B-M3/84A?

    • SMPZ3920B-M3/84A is designed to operate within a temperature range of -65°C to +175°C.

  6. What is the package type of SMPZ3920B-M3/84A?

    • SMPZ3920B-M3/84A is available in a surface-mount DO-214AC (SMA) package.

  7. Does SMPZ3920B-M3/84A comply with any industry standards?

    • Yes, SMPZ3920B-M3/84A complies with the RoHS directive and is lead-free.

  8. What are the key electrical characteristics of SMPZ3920B-M3/84A?

    • The key electrical characteristics include a nominal Zener voltage of 39 volts, a maximum reverse leakage current of 5 µA, and a maximum dynamic impedance of 5 ohms.

  9. Can SMPZ3920B-M3/84A be used in automotive applications?

    • Yes, SMPZ3920B-M3/84A is suitable for use in automotive electronics due to its high-power Zener diode capabilities.

  10. Is SMPZ3920B-M3/84A suitable for high-reliability applications?

    • Yes, SMPZ3920B-M3/84A is designed for high-reliability applications and offers consistent performance under varying operating conditions.