ON Semiconductor
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MC7905BD2TG
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MC7905BD2TG

Product Overview

Category

MC7905BD2TG belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

  • Regulates voltage to a fixed value.
  • Provides a stable output voltage even when the input voltage fluctuates.
  • Protects sensitive components from voltage variations.
  • Suitable for various electronic applications.

Package

MC7905BD2TG comes in a TO-220 package.

Essence

The essence of MC7905BD2TG is to ensure a constant and reliable voltage supply to electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: -35V to -10V
  • Output Voltage: -5V
  • Output Current: 1A
  • Dropout Voltage: 2V (maximum)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MC7905BD2TG has three pins:

  1. Input Pin (Vin): Connects to the input voltage source.
  2. Ground Pin (GND): Connected to the ground reference.
  3. Output Pin (Vout): Provides the regulated output voltage.

Functional Features

  • Voltage Regulation: MC7905BD2TG ensures a stable output voltage of -5V regardless of input voltage fluctuations.
  • Overcurrent Protection: It incorporates overcurrent protection to safeguard connected devices.
  • Thermal Shutdown: The regulator includes thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation.
  • Protection against voltage fluctuations.
  • Compact size and easy integration into circuits.
  • Cost-effective solution for voltage stabilization.

Disadvantages

  • Limited output current capacity.
  • Requires external components for proper operation.
  • Not suitable for high-power applications.

Working Principles

MC7905BD2TG operates based on the principle of linear voltage regulation. It utilizes a series pass transistor to regulate the output voltage. The input voltage is compared to a reference voltage, and the difference is adjusted by controlling the pass transistor. This ensures a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

MC7905BD2TG finds application in various electronic devices and circuits, including:

  1. Power Supplies: It is commonly used in power supply circuits to provide a stable voltage source.
  2. Audio Amplifiers: MC7905BD2TG helps regulate the voltage supply in audio amplifier circuits, ensuring consistent performance.
  3. Microcontrollers: It is employed in microcontroller circuits to maintain a steady voltage level for reliable operation.
  4. Automotive Electronics: The regulator is utilized in automotive electronics to stabilize voltage for various components.

Detailed and Complete Alternative Models

  1. LM7805: A popular alternative with similar specifications and functionality.
  2. UA7905: Another voltage regulator offering comparable features.
  3. L78M05: An alternative model suitable for low-power applications.

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

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기술 솔루션에 MC7905BD2TG 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MC7905BD2TG in technical solutions:

  1. Q: What is MC7905BD2TG? A: MC7905BD2TG is a voltage regulator IC that provides a fixed output voltage of -5V.

  2. Q: What is the input voltage range for MC7905BD2TG? A: The input voltage range for MC7905BD2TG is typically between -7V and -35V.

  3. Q: What is the maximum output current of MC7905BD2TG? A: The maximum output current of MC7905BD2TG is 1A.

  4. Q: How does MC7905BD2TG regulate the output voltage? A: MC7905BD2TG uses a series pass transistor to maintain a constant -5V output voltage, regardless of changes in input voltage or load conditions.

  5. Q: Can MC7905BD2TG handle higher input voltages than -35V? A: No, it is not recommended to exceed the maximum input voltage rating of -35V for MC7905BD2TG, as it may damage the device.

  6. Q: Is MC7905BD2TG suitable for both AC and DC input voltages? A: Yes, MC7905BD2TG can accept both AC and DC input voltages within its specified range.

  7. Q: Does MC7905BD2TG require any external components for operation? A: Yes, MC7905BD2TG requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.

  8. Q: Can MC7905BD2TG be used in high-temperature environments? A: MC7905BD2TG has a maximum operating temperature of 125°C, making it suitable for many high-temperature applications.

  9. Q: Can MC7905BD2TG be used in battery-powered applications? A: Yes, MC7905BD2TG can be used in battery-powered applications as long as the input voltage is within its specified range.

  10. Q: Are there any alternatives to MC7905BD2TG for -5V voltage regulation? A: Yes, there are other voltage regulator ICs available in the market that provide a fixed -5V output voltage. Some popular alternatives include LM7905 and LT1084CP-5.