ON Semiconductor
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MC34167TG
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MC34167TG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High Efficiency, Low Dropout Voltage, Overcurrent Protection
  • Package: TO-220
  • Essence: Linear Voltage Regulator
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage Range: 8V to 40V
  • Output Voltage Range: 5V to 18V
  • Output Current: Up to 5A
  • Dropout Voltage: 1.2V (typical)
  • Quiescent Current: 10mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MC34167TG has a standard TO-220 package with the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. VIN: Input Voltage
  4. ADJ: Adjustable Pin for Output Voltage Setting
  5. EN: Enable Pin for On/Off Control
  6. FB: Feedback Pin for Regulation

Functional Features

  • High efficiency due to low dropout voltage
  • Overcurrent protection to safeguard the circuit and load
  • Adjustable output voltage using the ADJ pin
  • Enable pin for easy on/off control
  • Stable output voltage under varying load conditions

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Overcurrent protection ensures safety of the circuit and load
  • Adjustable output voltage provides flexibility in design
  • Enable pin enables easy control of the regulator

Disadvantages

  • Limited output current capacity compared to some other regulators
  • Higher quiescent current compared to certain low-power alternatives

Working Principles

The MC34167TG is a linear voltage regulator that maintains a stable output voltage by adjusting the resistance between the input and output terminals. It operates by comparing the feedback voltage with a reference voltage and adjusting the pass transistor accordingly. This ensures that the output voltage remains constant even when the input voltage or load conditions change.

Detailed Application Field Plans

The MC34167TG is commonly used in various applications, including:

  1. Automotive electronics: Powering sensors, actuators, and control modules.
  2. Industrial equipment: Providing regulated power to motors, sensors, and control circuits.
  3. Telecommunications: Regulating voltage for communication devices and network equipment.
  4. Consumer electronics: Powering audio/video equipment, gaming consoles, and home appliances.
  5. Renewable energy systems: Regulating voltage in solar panels and wind turbines.

Detailed Alternative Models

  • LM317: Adjustable linear voltage regulator with similar specifications.
  • LT1083: High current linear voltage regulator with low dropout voltage.
  • LM7805: Fixed 5V linear voltage regulator commonly used in electronic circuits.

Note: The above list is not exhaustive and there are several other alternative models available in the market.

This entry provides an overview of the MC34167TG voltage regulator, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MC34167TG en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MC34167TG in technical solutions:

  1. Q: What is MC34167TG? A: MC34167TG is a voltage regulator IC (integrated circuit) commonly used in power supply applications.

  2. Q: What is the input voltage range of MC34167TG? A: The input voltage range of MC34167TG is typically between 8V and 40V.

  3. Q: What is the output voltage range of MC34167TG? A: The output voltage range of MC34167TG can be adjusted using external components, but it is typically between 1.25V and 37V.

  4. Q: What is the maximum output current of MC34167TG? A: The maximum output current of MC34167TG is around 5A, depending on the specific application and thermal considerations.

  5. Q: How does MC34167TG handle overcurrent protection? A: MC34167TG has built-in overcurrent protection that limits the output current to a safe level when it exceeds a certain threshold.

  6. Q: Can MC34167TG operate in a wide temperature range? A: Yes, MC34167TG is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  7. Q: Does MC34167TG require any external components for operation? A: Yes, MC34167TG requires external components such as resistors, capacitors, and an inductor to form a complete voltage regulator circuit.

  8. Q: Can MC34167TG be used in both step-up and step-down voltage regulation applications? A: Yes, MC34167TG can be used in both step-up (boost) and step-down (buck) voltage regulation applications.

  9. Q: Is MC34167TG suitable for battery-powered applications? A: Yes, MC34167TG is suitable for battery-powered applications as it can efficiently regulate the voltage from a wide input range.

  10. Q: Are there any application notes or reference designs available for MC34167TG? A: Yes, the manufacturer of MC34167TG provides application notes and reference designs that can help in implementing the IC in various technical solutions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.