Diodes Incorporated
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AP1084T18L-U
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AP1084T18L-U

Product Overview

Category

AP1084T18L-U belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Current limiting protection

Package

AP1084T18L-U is available in a TO-220 package.

Essence

The essence of AP1084T18L-U lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 20V
  • Output Voltage: 1.8V
  • Output Current: Up to 5A
  • Dropout Voltage: 1.3V (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AP1084T18L-U has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • High accuracy voltage regulation ensures stable output.
  • Low dropout voltage minimizes power dissipation.
  • Thermal shutdown protection prevents overheating.
  • Current limiting protection safeguards against excessive current flow.

Advantages

  • Provides precise and stable voltage regulation.
  • Suitable for applications requiring low dropout voltage.
  • Offers thermal and current protection for enhanced reliability.
  • Can handle high output currents up to 5A.

Disadvantages

  • Limited to fixed output voltage of 1.8V.
  • Requires external components for proper operation.
  • May generate heat under high load conditions.

Working Principles

AP1084T18L-U operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

AP1084T18L-U finds applications in various electronic devices and systems, including:

  1. Power supplies for microcontrollers and digital circuits.
  2. Battery-powered devices requiring stable voltage levels.
  3. Automotive electronics for voltage regulation.
  4. Industrial control systems.
  5. Audio amplifiers and other audio equipment.

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable voltage regulator with similar characteristics.
  2. LT1084: Offers higher output current capability.
  3. LM1117: Low dropout voltage regulator suitable for battery-powered applications.
  4. LM7805: Fixed 5V voltage regulator commonly used in many electronic circuits.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AP1084T18L-U v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AP1084T18L-U in technical solutions:

  1. Q: What is AP1084T18L-U? A: AP1084T18L-U is a voltage regulator IC that provides a fixed output voltage of 1.8V.

  2. Q: What is the input voltage range for AP1084T18L-U? A: The input voltage range for AP1084T18L-U is typically between 2.5V and 24V.

  3. Q: What is the maximum output current of AP1084T18L-U? A: The maximum output current of AP1084T18L-U is 5A.

  4. Q: Can AP1084T18L-U be used in both step-up and step-down applications? A: No, AP1084T18L-U is a step-down (buck) voltage regulator and can only be used for reducing the voltage.

  5. Q: Is AP1084T18L-U suitable for automotive applications? A: Yes, AP1084T18L-U is designed to meet the requirements of automotive applications.

  6. Q: Does AP1084T18L-U have built-in thermal protection? A: Yes, AP1084T18L-U has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can AP1084T18L-U operate in a wide temperature range? A: Yes, AP1084T18L-U can operate in a temperature range of -40°C to +125°C.

  8. Q: What type of package does AP1084T18L-U come in? A: AP1084T18L-U is available in a TO-220 package.

  9. Q: Does AP1084T18L-U require any external components for operation? A: Yes, AP1084T18L-U requires input and output capacitors for stable operation.

  10. Q: Can AP1084T18L-U be used in battery-powered applications? A: Yes, AP1084T18L-U can be used in battery-powered applications as it has low dropout voltage and low quiescent current.

Please note that these answers are general and may vary depending on the specific application and requirements.