AZ1084T-1.5E1

Product Overview

Category

AZ1084T-1.5E1 belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The AZ1084T-1.5E1 provides a fixed output voltage of 1.5V.
• High current capability: It can handle currents up to a certain limit, ensuring stable power supply for various applications.
• Low dropout voltage: The regulator maintains a small difference between the input and output voltages, minimizing power dissipation.
• Thermal protection: The device incorporates thermal shutdown circuitry to prevent damage due to excessive heat.
• Short-circuit protection: It includes built-in safeguards to protect against short-circuits.

Package and Quantity

The AZ1084T-1.5E1 is available in a TO-220 package. It is typically sold in reels or tubes containing a specific quantity, such as 100 units per reel.

Specifications

• Input voltage range: 2.5V to 7V
• Output voltage: 1.5V
• Maximum output current: 5A
• Dropout voltage: 1.3V (typical)
• Line regulation: ±0.2%
• Load regulation: ±0.4%
• Operating temperature range: -40°C to +125°C

Pin Configuration

The AZ1084T-1.5E1 has three pins:

1. Vin (Input): This pin is connected to the input voltage source.
2. Vout (Output): The regulated output voltage is obtained from this pin.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Voltage regulation: The AZ1084T-1.5E1 maintains a constant output voltage of 1.5V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting circuitry to protect the device and the load from excessive currents.
• Thermal protection: The regulator includes thermal shutdown circuitry to prevent overheating and subsequent damage.
• Short-circuit protection: Built-in safeguards protect against short-circuits, preventing potential damage to the device.

Advantages and Disadvantages

Advantages

• High current capability allows for use in various applications.
• Low dropout voltage minimizes power dissipation.
• Thermal and short-circuit protection enhance reliability and safety.
• Wide operating temperature range enables usage in extreme environments.

Disadvantages

• Fixed output voltage limits flexibility in certain applications.
• Higher cost compared to adjustable voltage regulators.

Working Principles

The AZ1084T-1.5E1 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 1.5V. The regulator operates by dissipating excess voltage as heat, which is why it has a dropout voltage.

Detailed Application Field Plans

The AZ1084T-1.5E1 finds applications in various electronic systems requiring a stable 1.5V power supply. Some common application fields include:

1. Microcontroller circuits: Provides regulated power to microcontrollers, ensuring reliable operation.
2. Audio amplifiers: Stabilizes the voltage supply for audio amplification circuits, reducing noise and distortion.
3. Battery-powered devices: Regulates voltage in portable devices, extending battery life and protecting sensitive components.
4. Automotive electronics: Ensures stable power supply for automotive control systems, improving performance and reliability.

Detailed and Complete Alternative Models

• LM1084: Similar fixed voltage regulator with a higher maximum output current of 5A.
• LT1084: Adjustable voltage regulator with a similar current capability and thermal protection features.
• LM317: Adjustable voltage regulator with a wide input voltage range and high precision.

These alternative models offer different features and specifications, providing flexibility for various application requirements.

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