Microsemi Corporation
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SMBG4745C/TR13
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SMBG4745C/TR13

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage
Package: SOD-123
Essence: Regulating voltage in electronic circuits
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.2V to 37V
  • Dropout Voltage: 0.6V at 1A
  • Output Current: 1A
  • Line Regulation: 0.3%
  • Load Regulation: 0.3%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMBG4745C/TR13 has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground of the circuit. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

  • High Precision: Ensures accurate output voltage regulation.
  • Low Dropout Voltage: Enables operation with small voltage differentials.
  • Overcurrent Protection: Safeguards against excessive current flow.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Overcurrent protection

Disadvantages: - Limited maximum output current - Restricted input voltage range

Working Principles

The SMBG4745C/TR13 operates by comparing the actual output voltage to a reference voltage and adjusting the pass transistor to maintain the desired output voltage. It utilizes a feedback loop to continuously monitor and regulate the output voltage.

Detailed Application Field Plans

The SMBG4745C/TR13 is suitable for various applications requiring precise voltage regulation, such as: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with higher output current capability.
  2. LM7805: Fixed 5V voltage regulator commonly used in electronic circuits.
  3. LT1083: High current adjustable voltage regulator for power supply applications.

This completes the entry for SMBG4745C/TR13, covering its product details, specifications, features, and application considerations.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMBG4745C/TR13 في الحلول التقنية

  1. What is SMBG4745C/TR13?

    • SMBG4745C/TR13 is a surface mount diode used in various technical solutions for voltage regulation and protection.

  2. What is the maximum forward voltage of SMBG4745C/TR13?

    • The maximum forward voltage of SMBG4745C/TR13 is typically around 0.7V at a forward current of 1A.

  3. What is the reverse standoff voltage of SMBG4745C/TR13?

    • The reverse standoff voltage of SMBG4745C/TR13 is 45V, making it suitable for applications requiring voltage clamping and transient suppression.

  4. Can SMBG4745C/TR13 be used for overvoltage protection?

    • Yes, SMBG4745C/TR13 can be used for overvoltage protection due to its ability to clamp excessive voltages and divert transient currents away from sensitive components.

  5. What are the typical applications of SMBG4745C/TR13 in technical solutions?

    • SMBG4745C/TR13 is commonly used in power supplies, voltage regulators, surge protectors, and other electronic systems requiring voltage clamping and transient suppression.

  6. Is SMBG4745C/TR13 suitable for automotive electronics?

    • Yes, SMBG4745C/TR13 is suitable for automotive electronics, providing protection against voltage transients and surges commonly encountered in automotive electrical systems.

  7. What is the power dissipation capability of SMBG4745C/TR13?

    • The power dissipation capability of SMBG4745C/TR13 is typically around 1.5W, allowing it to handle transient events without damage.

  8. Does SMBG4745C/TR13 have a low leakage current?

    • Yes, SMBG4745C/TR13 exhibits low leakage current, which is beneficial for applications requiring minimal power loss and high reliability.

  9. Can SMBG4745C/TR13 be used in telecommunications equipment?

    • Yes, SMBG4745C/TR13 is suitable for use in telecommunications equipment to protect sensitive circuitry from voltage spikes and transients.

  10. Are there any specific layout considerations when using SMBG4745C/TR13 in a design?

    • It is important to ensure proper PCB layout and adequate thermal management to maximize the performance and reliability of SMBG4745C/TR13 in technical solutions.