Vishay Semiconductor Diodes Division
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SMPZ3930B-E3/85A
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SMPZ3930B-E3/85A

Product Overview

Category

The SMPZ3930B-E3/85A belongs to the category of semiconductor devices.

Use

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

Characteristics

  • High precision
  • Low dropout voltage
  • Thermal shutdown protection
  • Overcurrent protection

Package

The SMPZ3930B-E3/85A is available in a small outline package (SOP) for surface mount applications.

Essence

The essence of SMPZ3930B-E3/85A lies in its ability to regulate voltage with high precision and efficiency.

Packaging/Quantity

It is typically packaged in reels containing a specific quantity, usually 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 1.2V to 28V
  • Dropout Voltage: 0.5V at 1A
  • Operating Temperature Range: -40°C to 125°C
  • Output Current: 1A

Detailed Pin Configuration

The SMPZ3930B-E3/85A has a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. NC (No Connection) 5. EN (Enable)

Functional Features

  • High accuracy and stability
  • Low dropout voltage
  • Overcurrent and thermal shutdown protection
  • Fast transient response

Advantages

  • Wide input voltage range
  • Small form factor
  • Robust protection features
  • Suitable for various electronic applications

Disadvantages

  • Limited maximum output current
  • Sensitive to external noise and fluctuations

Working Principles

The SMPZ3930B-E3/85A operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage despite changes in input voltage or load conditions.

Detailed Application Field Plans

The SMPZ3930B-E3/85A is commonly used in: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

  • LM2937
  • LT1086
  • ADP3338

In conclusion, the SMPZ3930B-E3/85A is a versatile voltage regulator with precise regulation, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける SMPZ3930B-E3/85A の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum operating temperature of SMPZ3930B-E3/85A?

    • The maximum operating temperature of SMPZ3930B-E3/85A is 150°C.

  2. What is the typical forward voltage drop of SMPZ3930B-E3/85A?

    • The typical forward voltage drop of SMPZ3930B-E3/85A is 0.36V at 1A.

  3. What is the reverse leakage current of SMPZ3930B-E3/85A at its rated voltage?

    • The reverse leakage current of SMPZ3930B-E3/85A at its rated voltage is typically 5µA.

  4. Can SMPZ3930B-E3/85A be used in automotive applications?

    • Yes, SMPZ3930B-E3/85A is suitable for use in automotive applications.

  5. What is the maximum continuous forward current rating of SMPZ3930B-E3/85A?

    • The maximum continuous forward current rating of SMPZ3930B-E3/85A is 3A.

  6. Does SMPZ3930B-E3/85A have a low profile package?

    • Yes, SMPZ3930B-E3/85A comes in a low profile SMA package.

  7. Is SMPZ3930B-E3/85A RoHS compliant?

    • Yes, SMPZ3930B-E3/85A is RoHS compliant.

  8. What is the typical junction capacitance of SMPZ3930B-E3/85A?

    • The typical junction capacitance of SMPZ3930B-E3/85A is 100pF.

  9. Can SMPZ3930B-E3/85A be used in high-frequency applications?

    • Yes, SMPZ3930B-E3/85A is suitable for use in high-frequency applications.

  10. What are the recommended storage conditions for SMPZ3930B-E3/85A?

    • It is recommended to store SMPZ3930B-E3/85A in a dry environment at a temperature range of -55°C to 150°C.