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SMPZ3939B-E3/85A
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SMPZ3939B-E3/85A

Product Overview

Category

The SMPZ3939B-E3/85A belongs to the category of semiconductor devices.

Use

This product is commonly used in electronic circuits for voltage regulation and power management.

Characteristics

  • High efficiency
  • Low power consumption
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

The SMPZ3939B-E3/85A is typically available in a small outline package (SOP) or similar form factor.

Essence

The essence of this product lies in its ability to efficiently regulate voltage and manage power in electronic systems.

Packaging/Quantity

The SMPZ3939B-E3/85A is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.2V to 20V
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: SOP-8

Detailed Pin Configuration

The SMPZ3939B-E3/85A features the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. NC (No Connection) 6. SW (Switch) 7. NC (No Connection) 8. VOUT (Output Voltage)

Functional Features

  • Voltage Regulation
  • Overcurrent Protection
  • Thermal Shutdown Protection
  • Enable/Disable Control
  • Adjustable Output Voltage

Advantages

  • High Efficiency
  • Wide Input Voltage Range
  • Compact Package Size
  • Built-in Protection Features
  • Flexible Output Voltage Adjustment

Disadvantages

  • Limited Maximum Output Current
  • Sensitivity to External Noise in Some Configurations

Working Principles

The SMPZ3939B-E3/85A operates by utilizing a switching regulator topology to efficiently convert and regulate input voltage to a specified output voltage level. It employs feedback control to maintain stable output voltage despite variations in input and load conditions.

Detailed Application Field Plans

The SMPZ3939B-E3/85A is widely used in various applications such as: - Portable electronic devices - Automotive electronics - Industrial automation systems - Power supplies - LED lighting

Detailed and Complete Alternative Models

Some alternative models to the SMPZ3939B-E3/85A include: - LM2675 - TPS5430 - LT1370

In conclusion, the SMPZ3939B-E3/85A is a versatile semiconductor device that offers efficient voltage regulation and power management capabilities, making it suitable for a wide range of electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMPZ3939B-E3/85A dalam penyelesaian teknikal

  1. What is SMPZ3939B-E3/85A?

    • SMPZ3939B-E3/85A is a surface mount power zener diode with a voltage rating of 85V and a power dissipation of 1.5W.

  2. What are the typical applications of SMPZ3939B-E3/85A?

    • SMPZ3939B-E3/85A is commonly used in voltage regulation, surge suppression, and overvoltage protection in various electronic circuits.

  3. What is the maximum current that SMPZ3939B-E3/85A can handle?

    • The maximum current for SMPZ3939B-E3/85A is typically around 200mA.

  4. Can SMPZ3939B-E3/85A be used for reverse polarity protection?

    • Yes, SMPZ3939B-E3/85A can be used for reverse polarity protection due to its zener diode characteristics.

  5. What is the temperature range for SMPZ3939B-E3/85A?

    • SMPZ3939B-E3/85A has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  6. Is SMPZ3939B-E3/85A RoHS compliant?

    • Yes, SMPZ3939B-E3/85A is RoHS compliant, ensuring it meets environmental standards.

  7. What is the package type for SMPZ3939B-E3/85A?

    • SMPZ3939B-E3/85A comes in a surface mount DO-214AC (SMA) package.

  8. Can SMPZ3939B-E3/85A be used in automotive applications?

    • Yes, SMPZ3939B-E3/85A is suitable for automotive applications, provided it meets the specific requirements and standards for automotive electronics.

  9. What are the key electrical characteristics of SMPZ3939B-E3/85A?

    • The key electrical characteristics include a nominal zener voltage of 85V, a maximum dynamic impedance of 5Ω, and a maximum reverse leakage current of 0.5μA.

  10. Are there any recommended layout considerations when using SMPZ3939B-E3/85A?

    • It is recommended to minimize lead lengths and keep traces short to reduce parasitic inductance and ensure proper performance of SMPZ3939B-E3/85A in technical solutions.