Vishay Semiconductor Diodes Division
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SMPZ3934B-M3/85A
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SMPZ3934B-M3/85A

Product Overview

Category

The SMPZ3934B-M3/85A belongs to the category of semiconductor devices.

Use

This product is used as a voltage regulator in electronic circuits to maintain a stable output voltage.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Small form factor

Package

The SMPZ3934B-M3/85A is available in a small outline package (SOP) with 8 pins.

Essence

The essence of this product lies in its ability to provide reliable and stable voltage regulation in various electronic applications.

Packaging/Quantity

The SMPZ3934B-M3/85A is typically packaged in reels containing a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 1.8V to 5.0V
  • Dropout Voltage: 200mV at 150mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. NC (No Connection)
  5. NC (No Connection)
  6. NC (No Connection)
  7. EN (Enable)
  8. NC (No Connection)

Functional Features

  • Voltage Regulation
  • Thermal Shutdown Protection
  • Enable/Shutdown Control

Advantages

  • High precision voltage regulation
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited input voltage range
  • Higher dropout voltage compared to some alternative models

Working Principles

The SMPZ3934B-M3/85A works by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage, even with variations in input voltage and load current.

Detailed Application Field Plans

This voltage regulator is commonly used in portable electronic devices, battery-powered systems, and low-power microcontroller applications where a stable supply voltage is critical for proper operation.

Detailed and Complete Alternative Models

  • LM1117
  • MCP1703
  • AP2112

In conclusion, the SMPZ3934B-M3/85A is a versatile voltage regulator with high precision and thermal protection features, making it suitable for a wide range of electronic applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMPZ3934B-M3/85A في الحلول التقنية

  1. What is SMPZ3934B-M3/85A?

    • SMPZ3934B-M3/85A is a high-power surface mount Schottky barrier rectifier diode designed for use in various technical solutions.

  2. What are the key specifications of SMPZ3934B-M3/85A?

    • The key specifications include a maximum average forward current of 3A, a reverse voltage of 40V, and a low forward voltage drop.

  3. In what technical solutions can SMPZ3934B-M3/85A be used?

    • SMPZ3934B-M3/85A can be used in power supplies, LED lighting, battery chargers, and other applications requiring high-power rectification.

  4. What are the advantages of using SMPZ3934B-M3/85A in technical solutions?

    • The advantages include low forward voltage drop, high current capability, and surface mount packaging for easy integration onto PCBs.

  5. What are the typical operating temperatures for SMPZ3934B-M3/85A?

    • The diode is designed to operate within a temperature range of -65°C to +150°C, making it suitable for a wide range of environments.

  6. Does SMPZ3934B-M3/85A require any special heat management considerations?

    • While the diode has good thermal performance, it's recommended to consider proper heat sinking or thermal management in high-power applications.

  7. Can SMPZ3934B-M3/85A be used in automotive applications?

    • Yes, the diode is suitable for automotive electronics, provided it meets the specific requirements and standards for automotive components.

  8. Are there any application notes or reference designs available for SMPZ3934B-M3/85A?

    • Yes, the manufacturer provides application notes and reference designs to assist with the integration of SMPZ3934B-M3/85A into various technical solutions.

  9. What are the potential failure modes of SMPZ3934B-M3/85A and how can they be mitigated?

    • Potential failure modes include overcurrent, overvoltage, and thermal stress. These can be mitigated through proper circuit protection and thermal management.

  10. Where can I find detailed technical documentation and datasheets for SMPZ3934B-M3/85A?

    • Detailed technical documentation and datasheets for SMPZ3934B-M3/85A can be obtained from the manufacturer's website or authorized distributors.