AZ1117IH-ADJTRG1

Product Overview

Category

AZ1117IH-ADJTRG1 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 AZ1117IH-ADJTRG1 provides a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Current limiting: The device protects itself and the connected circuitry by limiting the maximum current it can deliver.
• Thermal protection: The regulator incorporates thermal shutdown circuitry to prevent damage due to excessive heat.

Package

The AZ1117IH-ADJTRG1 comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to maintain a constant and reliable output voltage, ensuring the proper functioning of electronic devices.

Packaging/Quantity

The AZ1117IH-ADJTRG1 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 2.5V - 15V
• Output voltage range: Adjustable from 1.25V to 13.8V
• Maximum output current: 1A
• Dropout voltage: 1.3V (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The AZ1117IH-ADJTRG1 has three pins:

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

Functional Features

• Voltage regulation: The device maintains a stable output voltage within the specified range.
• Current limiting: Protects the circuitry by limiting the maximum current that can be delivered.
• Thermal protection: Prevents damage due to excessive heat by shutting down the regulator when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage ensures efficient operation even with low input-output voltage differentials.
• Compact package size suitable for space-constrained applications.
• Built-in thermal protection enhances reliability.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• Adjustable output voltage requires additional external components for precise voltage selection.

Working Principles

The AZ1117IH-ADJTRG1 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's resistance to maintain a constant output voltage, compensating for input voltage variations.

Detailed Application Field Plans

The AZ1117IH-ADJTRG1 finds applications in various electronic devices and systems, including: - Power supplies for microcontrollers and other digital ICs. - Battery-powered devices requiring stable voltage levels. - Automotive electronics. - Industrial control systems. - Consumer electronics.

Detailed and Complete Alternative Models

• LM317: A widely used adjustable linear voltage regulator with similar specifications.
• LT1084: Offers higher output current capability and lower dropout voltage compared to the AZ1117IH-ADJTRG1.
• LM7805: Fixed output voltage regulator providing a stable 5V output.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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