Vishay Semiconductor Diodes Division
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SMZG3790BHE3/5B
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SMZG3790BHE3/5B

Product Overview

Category

The SMZG3790BHE3/5B 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 SMZG3790BHE3/5B is available in a small outline package (SOP) with 8 pins.

Essence

This device is essential for maintaining consistent voltage levels in various electronic applications.

Packaging/Quantity

The SMZG3790BHE3/5B is typically packaged in reels and is available in quantities suitable for production runs.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.2V to 25V
  • Dropout Voltage: 0.45V at 1A
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 75µA

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. NC (No Connection)
  4. VOUT (Output Voltage)
  5. ADJ (Adjust)
  6. NC (No Connection)
  7. SHDN (Shutdown)
  8. NC (No Connection)

Functional Features

  • Precise voltage regulation
  • Shutdown capability for power conservation
  • Overcurrent and thermal protection
  • Adjustable output voltage

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Small form factor
  • Excellent line and load regulation

Disadvantages

  • Higher cost compared to traditional linear regulators
  • Sensitive to external noise and fluctuations

Working Principles

The SMZG3790BHE3/5B operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage, even with varying input voltages and loads.

Detailed Application Field Plans

This voltage regulator is widely used in: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable consumer electronics

Detailed and Complete Alternative Models

  • LM317: A popular adjustable positive voltage regulator
  • LM1117: Low dropout voltage regulator for low-power applications
  • LT1086: High current, adjustable voltage regulator

In conclusion, the SMZG3790BHE3/5B is a versatile and reliable voltage regulator suitable for a wide range of electronic applications, offering precise voltage regulation and essential protection features.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SMZG3790BHE3/5B in technischen Lösungen auf

  1. What is the SMZG3790BHE3/5B?

    • The SMZG3790BHE3/5B is a high-efficiency, low-voltage, synchronous rectification MOSFET driver designed for use in various power supply applications.

  2. What are the key features of the SMZG3790BHE3/5B?

    • The key features include low input and output capacitance, low propagation delay, and high efficiency, making it suitable for high-frequency switching applications.

  3. In what technical solutions can the SMZG3790BHE3/5B be used?

    • It can be used in DC-DC converters, synchronous buck converters, and other power management applications where high efficiency and low voltage operation are critical.

  4. What is the maximum voltage rating for the SMZG3790BHE3/5B?

    • The maximum voltage rating is typically around 30V, making it suitable for low-voltage applications.

  5. What is the typical operating frequency range for the SMZG3790BHE3/5B?

    • The typical operating frequency range is from a few hundred kilohertz to several megahertz, depending on the specific application and design.

  6. Does the SMZG3790BHE3/5B require external components for operation?

    • Yes, it typically requires external components such as capacitors, resistors, and inductors to form a complete power supply circuit.

  7. What are the thermal considerations for using the SMZG3790BHE3/5B?

    • Thermal considerations include proper heat sinking and thermal management to ensure the device operates within its specified temperature range.

  8. Is the SMZG3790BHE3/5B suitable for automotive applications?

    • Yes, it is suitable for automotive applications where high efficiency and low voltage operation are required.

  9. What are the potential challenges when integrating the SMZG3790BHE3/5B into a design?

    • Challenges may include layout considerations, EMI/EMC issues, and ensuring proper gate drive and control signals.

  10. Are there any application notes or reference designs available for the SMZG3790BHE3/5B?

    • Yes, the manufacturer typically provides application notes and reference designs to assist with the integration of the SMZG3790BHE3/5B into various technical solutions.