Microsemi Corporation
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SMBG4740A/TR13
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SMBG4740A/TR13

Product Overview

  • Category: Voltage Regulator
  • Use: SMBG4740A/TR13 is used to regulate voltage in electronic circuits.
  • Characteristics: It has a compact design, high efficiency, and low dropout voltage.
  • Package: SMB (DO-215AA)
  • Essence: The essence of SMBG4740A/TR13 lies in its ability to provide stable voltage output for various electronic applications.
  • Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.

Specifications

  • Input Voltage Range: 4.75V to 40V
  • Output Voltage: 3.3V
  • Output Current: 1A
  • Dropout Voltage: 0.5V at 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

SMBG4740A/TR13 follows the standard pin configuration for SMB packages: 1. Input 2. Ground 3. Output

Functional Features

  • Voltage Regulation: Maintains a stable 3.3V output even with fluctuations in input voltage.
  • Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
  • Thermal Shutdown: Prevents damage from overheating by shutting down the regulator at high temperatures.

Advantages and Disadvantages

Advantages

  • Compact size
  • High efficiency
  • Wide input voltage range

Disadvantages

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

Working Principles

SMBG4740A/TR13 utilizes a feedback mechanism to compare the output voltage with a reference voltage. It then adjusts the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load.

Detailed Application Field Plans

SMBG4740A/TR13 finds application in various fields including: - Automotive electronics - Industrial control systems - Power management in portable devices

Detailed and Complete Alternative Models

Some alternative models to SMBG4740A/TR13 include: - LM317: A versatile adjustable voltage regulator with higher output current capability. - LM1117: Low dropout voltage regulator suitable for battery-powered applications. - LT1086: Adjustable positive voltage regulator with thermal shutdown feature.

In conclusion, SMBG4740A/TR13 serves as a reliable voltage regulator with its compact design and stable performance. While it may have limitations in terms of output current, its wide input voltage range and efficient operation make it suitable for various electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMBG4740A/TR13 dalam penyelesaian teknikal

  1. What is SMBG4740A/TR13?

    • SMBG4740A/TR13 is a surface mount Schottky barrier diode designed for high-speed switching applications.

  2. What are the key features of SMBG4740A/TR13?

    • The key features include a low forward voltage drop, high current capability, and a compact surface mount package.

  3. What are the typical applications of SMBG4740A/TR13?

    • Typical applications include power supplies, converters, inverters, and other high-frequency switching systems.

  4. What is the maximum forward voltage of SMBG4740A/TR13?

    • The maximum forward voltage is typically around 0.55V at a forward current of 1A.

  5. What is the reverse voltage rating of SMBG4740A/TR13?

    • The reverse voltage rating is 40V, making it suitable for various low voltage applications.

  6. Is SMBG4740A/TR13 RoHS compliant?

    • Yes, SMBG4740A/TR13 is RoHS compliant, ensuring environmental friendliness.

  7. What is the thermal resistance of SMBG4740A/TR13?

    • The thermal resistance is typically around 50°C/W, allowing for efficient heat dissipation.

  8. Can SMBG4740A/TR13 be used in automotive applications?

    • Yes, SMBG4740A/TR13 is suitable for automotive applications due to its high reliability and performance.

  9. Does SMBG4740A/TR13 have ESD protection?

    • Yes, SMBG4740A/TR13 offers ESD protection, enhancing its robustness in various operating conditions.

  10. What are the recommended storage and operating temperatures for SMBG4740A/TR13?

    • The recommended storage temperature is -55°C to +150°C, while the operating temperature range is -65°C to +125°C, ensuring versatility in different environments.