Rohm Semiconductor
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BU33SD5WG-TR
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BU33SD5WG-TR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: TO-252-3 (DPAK)

Essence: The BU33SD5WG-TR is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The BU33SD5WG-TR is typically packaged in reels containing 2,500 units per reel.

Specifications

  • Input Voltage Range: 4.5V - 28V
  • Output Voltage: 3.3V
  • Output Current: Up to 3A
  • Dropout Voltage: 0.25V @ 1A
  • Quiescent Current: 100µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BU33SD5WG-TR has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • High Efficiency: The BU33SD5WG-TR utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: With a low dropout voltage of only 0.25V at 1A load, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 28V, making it suitable for a wide range of applications.
  • Overcurrent Protection: The BU33SD5WG-TR incorporates overcurrent protection, safeguarding the connected circuitry from excessive current.
  • Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range allows for versatile applications. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Dropout voltage may limit its use in low voltage applications. - Limited output current capacity compared to higher-rated regulators.

Working Principles

The BU33SD5WG-TR operates as a linear voltage regulator. It regulates the output voltage by comparing it with an internal reference voltage and adjusting the pass transistor accordingly. The feedback mechanism ensures that the output voltage remains stable despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The BU33SD5WG-TR is commonly used in various electronic devices and systems, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring stable voltage levels - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • LM1117-3.3: A popular alternative with similar specifications and pin configuration.
  • XC6206P332MR: Another alternative with comparable characteristics and package type.
  • AP2112K-3.3: An alternative offering additional features such as adjustable output voltage and enable/disable control.

These alternative models can be considered based on specific requirements and availability.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BU33SD5WG-TR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of BU33SD5WG-TR in technical solutions:

  1. Question: What is the BU33SD5WG-TR?
    Answer: The BU33SD5WG-TR is a specific model of voltage regulator used in technical solutions.

  2. Question: What is the input voltage range for the BU33SD5WG-TR?
    Answer: The input voltage range for the BU33SD5WG-TR is typically between 4.5V and 28V.

  3. Question: What is the output voltage range for the BU33SD5WG-TR?
    Answer: The output voltage range for the BU33SD5WG-TR is typically between 0.8V and 5.5V.

  4. Question: What is the maximum output current of the BU33SD5WG-TR?
    Answer: The maximum output current of the BU33SD5WG-TR is typically around 3A.

  5. Question: Can the BU33SD5WG-TR handle both step-up and step-down voltage regulation?
    Answer: No, the BU33SD5WG-TR is specifically designed for step-down voltage regulation only.

  6. Question: Is the BU33SD5WG-TR suitable for automotive applications?
    Answer: Yes, the BU33SD5WG-TR is designed to meet the requirements of automotive applications.

  7. Question: Does the BU33SD5WG-TR have built-in overcurrent protection?
    Answer: Yes, the BU33SD5WG-TR incorporates overcurrent protection to safeguard against excessive currents.

  8. Question: Can the BU33SD5WG-TR operate in high-temperature environments?
    Answer: Yes, the BU33SD5WG-TR is designed to operate in high-temperature environments, typically up to 125°C.

  9. Question: Does the BU33SD5WG-TR require any external components for operation?
    Answer: Yes, the BU33SD5WG-TR may require external capacitors and resistors for proper operation, depending on the application.

  10. Question: Is the BU33SD5WG-TR available in a surface-mount package?
    Answer: Yes, the BU33SD5WG-TR is commonly available in a surface-mount package for easy integration into PCB designs.

Please note that the specific details and specifications may vary depending on the manufacturer and version of the BU33SD5WG-TR.