REF2930AIDBZRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limit - Wide input voltage range

Package: DBZ (SOT-23), 6-pin

Essence: The REF2930AIDBZRG4 is a voltage regulator IC that provides a stable output voltage from an input voltage source. It is designed to regulate and maintain a constant voltage level, even when the input voltage varies.

Packaging/Quantity: The REF2930AIDBZRG4 is available in a DBZ package, also known as SOT-23, which is a small surface-mount package with 6 pins. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 100mA
• Output Current: Up to 150mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF2930AIDBZRG4 has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Connects to the input voltage source.
3. EN (Enable): Controls the enable/disable function of the regulator.
4. BYP (Bypass): Connects to an external capacitor for stability and noise reduction.
5. FB (Feedback): Provides feedback to regulate the output voltage.
6. OUT (Output): Outputs the regulated voltage.

Functional Features

• Low dropout voltage: The REF2930AIDBZRG4 has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High output current capability: It can provide a maximum output current of up to 150mA, making it suitable for various applications.
• Thermal shutdown protection: The IC includes thermal shutdown protection to prevent damage due to excessive temperature.
• Short-circuit current limit: It has built-in short-circuit current limiting to protect the regulator and the connected circuitry.
• Wide input voltage range: The REF2930AIDBZRG4 can operate with an input voltage range of 2.5V to 16V, providing flexibility in different applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for versatile use. - Thermal shutdown protection prevents overheating. - Short-circuit current limit protects the circuitry. - Wide input voltage range accommodates various power sources.

Disadvantages: - Limited output current compared to higher-rated regulators. - SOT-23 package may require surface-mount soldering expertise.

Working Principles

The REF2930AIDBZRG4 operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a stable output voltage. When the input voltage exceeds the desired output voltage, the regulator reduces the excess voltage to maintain the specified output level. Conversely, if the input voltage drops below the desired output voltage, the regulator compensates by increasing the output voltage.

Detailed Application Field Plans

The REF2930AIDBZRG4 is commonly used in various electronic devices and systems that require a stable and regulated power supply. Some typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the REF2930AIDBZRG4's low dropout voltage and wide input voltage range.
2. Automotive electronics: The regulator can be used in automotive applications, providing a stable power source for sensors, actuators, and other components.
3. Industrial control systems: The REF2930AIDBZRG4 is suitable for powering microcontrollers, sensors, and other critical components in industrial automation and control systems.
4. Communication equipment: It can be utilized in routers, modems, and other communication devices to ensure a reliable power supply.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763: Offers higher output current capability and lower dropout voltage.
3. ADP3339: Provides adjustable output voltage and higher output current.

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

Word count: 529 words