RT9183-12GM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output accuracy - Low quiescent current - Thermal shutdown protection - Short-circuit current limit

Package: SOT-223

Essence: The RT9183-12GM is a voltage regulator IC designed to provide a stable and regulated output voltage.

Packaging/Quantity: The RT9183-12GM is available in a SOT-223 package. It is typically sold in reels containing a specific quantity of units.

Specifications

The RT9183-12GM has the following specifications:

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.2V
• Dropout Voltage: 300mV at 100mA
• Output Current: Up to 200mA
• Quiescent Current: 50µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9183-12GM has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

The RT9183-12GM offers the following functional features:

1. Low Dropout Voltage: The IC maintains a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Accuracy: The IC provides a highly accurate output voltage, minimizing voltage fluctuations and ensuring stability in various applications.
3. Low Quiescent Current: The IC consumes minimal current when in standby mode, reducing power consumption and extending battery life.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
5. Short-Circuit Current Limit: The IC limits the current in case of a short circuit, protecting the circuit and preventing damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output accuracy for stable performance - Low quiescent current reduces power consumption - Thermal shutdown protection prevents damage from overheating - Short-circuit current limit protects the circuit

Disadvantages: - Limited output current capacity (up to 200mA) - Restricted input voltage range (2.5V to 6V)

Working Principles

The RT9183-12GM operates as a linear voltage regulator. It regulates the output voltage by comparing it with an internal reference voltage. Any difference between the desired output voltage and the actual output voltage is amplified and used to control the pass transistor, adjusting its resistance to maintain a stable output voltage.

Detailed Application Field Plans

The RT9183-12GM can be used in various applications that require a stable and regulated output voltage. Some potential application fields include:

1. Portable Electronics: The IC can be used in smartphones, tablets, and other portable devices to regulate the voltage supplied to different components, ensuring their proper operation.
2. Automotive Electronics: The IC can be employed in automotive systems to provide a stable voltage supply to sensors, actuators, and other electronic components.
3. Industrial Control Systems: The IC can be utilized in industrial control systems to regulate voltages for various subsystems, ensuring reliable and accurate operation.
4. Power Management: The IC can be integrated into power management circuits to regulate voltages for different loads, improving overall system efficiency.

Detailed and Complete Alternative Models

Some alternative models to the RT9183-12GM that offer similar functionality are:

1. LM1117-3.3: A popular voltage regulator IC with a fixed output voltage of 3.3V.
2. LT1761-5: A low dropout voltage regulator IC with a fixed output voltage of 5V.
3. MCP1700-3302E: A low quiescent current voltage regulator IC with a fixed output voltage of 3.3V.

These alternative models can be considered based on specific requirements and application needs.

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