AZ1117H-1.8TRE1

Product Overview

Category

AZ1117H-1.8TRE1 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 AZ1117H-1.8TRE1 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 produces minimal electrical noise, ensuring clean power supply to sensitive components.

Package

The AZ1117H-1.8TRE1 is available in a TO-252 package, also known as DPAK (Discrete Package).

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 AZ1117H-1.8TRE1 is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Output voltage: 1.8V
• Input voltage range: 2.5V - 15V
• Dropout voltage: 1.1V (typical)
• Maximum output current: 1A
• Line regulation: ±0.2%
• Load regulation: ±0.4%
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The AZ1117H-1.8TRE1 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 AZ1117H-1.8TRE1 maintains a constant output voltage of 1.8V, regardless of variations in the input voltage or load conditions.
• Overcurrent protection: It incorporates current limiting circuitry to protect against excessive currents.
• Thermal shutdown: The device shuts down if the temperature exceeds a safe threshold, preventing damage due to overheating.
• Fast transient response: It quickly responds to changes in load conditions, ensuring stability and minimizing voltage fluctuations.

Advantages and Disadvantages

Advantages

• High current capability allows it to power demanding electronic components.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Thermal protection prevents overheating and extends the lifespan of the device.
• Minimal electrical noise guarantees clean power supply to sensitive circuits.

Disadvantages

• Fixed output voltage limits flexibility in certain applications that require adjustable voltage levels.
• Limited input voltage range may not be suitable for all power supply scenarios.

Working Principles

The AZ1117H-1.8TRE1 is a linear voltage regulator based on the principle of a series pass transistor. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 1.8V. The excess voltage is dissipated as heat, which is why the device has a maximum operating temperature limit.

Detailed Application Field Plans

The AZ1117H-1.8TRE1 finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Digital logic circuits - Audio amplifiers - Battery-powered devices - Industrial control systems

Detailed and Complete Alternative Models

• LM1117-1.8: A similar voltage regulator with a fixed output voltage of 1.8V, available in various package options.
• LT1763-1.8: Low dropout linear regulator with a fixed output voltage of 1.8V, offering high accuracy and low noise performance.
• TPS7A18: Ultra-low-noise linear regulator with adjustable output voltage, suitable for applications requiring precise voltage regulation.

These alternative models provide similar functionality to the AZ1117H-1.8TRE1 and can be considered as substitutes based on specific requirements.

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