AZ317DTR-E1

Product Overview

Category

AZ317DTR-E1 belongs to the category of voltage regulators.

Use

This product is commonly used for regulating voltage in electronic circuits.

Characteristics

• Package: The AZ317DTR-E1 comes in a small outline transistor (SOT-223) package.
• Essence: It is an adjustable precision shunt regulator.
• Packaging/Quantity: The product is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

The specifications of AZ317DTR-E1 are as follows:

• Output Voltage Range: 1.24V to 18V
• Reference Voltage: 1.24V ± 2%
• Dropout Voltage: 1.5V (typical)
• Maximum Output Current: 100mA
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The pin configuration of AZ317DTR-E1 is as follows:

1. ADJ: Adjustable pin
2. GND: Ground pin
3. VOUT: Output pin
4. VIN: Input pin

Functional Features

The functional features of AZ317DTR-E1 include:

• Adjustable Output: The output voltage can be adjusted within the specified range using an external resistor.
• Low Dropout Voltage: The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Precision Regulation: The reference voltage accuracy of ±2% ensures precise voltage regulation.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Wide output voltage range allows for versatile applications. - Low dropout voltage enables efficient regulation. - Compact SOT-223 package facilitates space-saving designs.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - The adjustable nature of the device requires additional external components for precise voltage selection.

Working Principles

AZ317DTR-E1 operates based on the shunt regulator principle. It uses a precision reference voltage to compare the output voltage with the desired voltage level. By adjusting the resistance connected to the ADJ pin, the output voltage can be precisely regulated.

Detailed Application Field Plans

AZ317DTR-E1 finds applications in various fields, including but not limited to:

1. Power Supply Modules: It can be used in power supply modules to regulate voltage levels and ensure stable operation.
2. Battery Charging Circuits: The device can be employed in battery charging circuits to maintain a constant voltage during the charging process.
3. Audio Amplifiers: AZ317DTR-E1 can be utilized in audio amplifiers to provide a stable voltage supply for optimal audio performance.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AZ317DTR-E1 are:

1. LM317T: This adjustable voltage regulator offers a wide output voltage range and is available in TO-220 package.
2. LT1086: It is a low dropout voltage regulator with adjustable output and comes in various package options.
3. TL431: This precision shunt regulator provides adjustable output voltage and is available in small SOT-23 package.

These alternative models can be considered based on specific requirements and design constraints.

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