AZ1117EH-1.8TRG1

Product Overview

Category

AZ1117EH-1.8TRG1 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 AZ1117EH-1.8TRG1 provides a fixed output voltage of 1.8V.
• Low dropout: It operates efficiently even when the input voltage is only slightly higher than the desired output voltage.
• High current capability: This voltage regulator can handle high currents, making it suitable for power-hungry applications.
• Thermal protection: The device incorporates thermal shutdown circuitry to prevent overheating.
• Low noise: It ensures minimal electrical noise interference in sensitive electronic systems.

Package

The AZ1117EH-1.8TRG1 comes in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The AZ1117EH-1.8TRG1 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 15V
• Output Voltage: 1.8V
• Maximum Output Current: 1A
• Dropout Voltage: 1.3V (at 1A)
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AZ1117EH-1.8TRG1 has three pins:

1. Vin (Input): Connects to the input voltage source.
2. Vout (Output): Provides the regulated output voltage of 1.8V.
3. GND (Ground): Common reference point for the input and output voltages.

Functional Features

• Voltage Regulation: The AZ1117EH-1.8TRG1 maintains a constant output voltage of 1.8V, regardless of variations in the input voltage or load conditions.
• Current Limiting: It incorporates current limiting circuitry to protect the device and the connected components from excessive currents.
• Thermal Protection: The regulator includes thermal shutdown circuitry that activates when the temperature exceeds a safe threshold, preventing damage due to overheating.
• Short Circuit Protection: In case of a short circuit, the device shuts down to prevent further damage.

Advantages and Disadvantages

Advantages

• Stable Output: Ensures a consistent and reliable power supply for electronic circuits.
• High Current Capability: Can handle high current demands, making it suitable for power-hungry applications.
• Low Dropout Voltage: Operates efficiently even with a small difference between input and output voltages.
• Thermal Protection: Protects the device from overheating, enhancing its lifespan.

Disadvantages

• Fixed Output Voltage: Limited flexibility as the output voltage is fixed at 1.8V.
• Heat Dissipation: May require additional heat sinking measures for high-power applications.

Working Principles

The AZ1117EH-1.8TRG1 utilizes a series pass transistor and feedback control mechanism to regulate the output voltage. When the input voltage exceeds the desired output voltage, the internal circuitry adjusts the pass transistor to maintain a stable output. Any fluctuations in the input voltage or load are compensated by the feedback loop, ensuring a constant 1.8V output.

Detailed Application Field Plans

The AZ1117EH-1.8TRG1 finds application in various electronic systems, including:

1. Microcontrollers and Microprocessors: Provides a stable power supply for these components, ensuring reliable operation.
2. Communication Systems: Regulates voltage for RF modules, transceivers, and other communication devices.
3. Industrial Control Systems: Used in automation equipment, motor control circuits, and sensor interfaces.
4. Automotive Electronics: Suitable for powering sensors, actuators, and control modules in automotive applications.
5. Consumer Electronics: Can be found in audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
2. LT1763-1.8: Offers lower dropout voltage and higher output current capability.
3. TPS7A1801-SP: Designed for rugged environments, suitable for aerospace and defense applications.

These alternative models provide similar functionality and can be considered as substitutes for the AZ1117EH-1.8TRG1 in various applications.

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