RT9053AGB

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 - Overcurrent protection

Package: SOT-23-5

Essence: The RT9053AGB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 45µA
• Output Current: 300mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The RT9053AGB has a SOT-23-5 package with the following pin configuration:

____ EN | | VOUT GND| | VIN NC |____| NC

• EN: Enable Pin
• VOUT: Output Voltage Pin
• VIN: Input Voltage Pin
• GND: Ground Pin
• NC: No Connection Pin

Functional Features

1. Low Dropout Voltage: The RT9053AGB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Accuracy: This voltage regulator provides high output accuracy, maintaining a stable voltage level for precise operation of electronic devices.
3. Low Quiescent Current: With a low quiescent current, the RT9053AGB minimizes power consumption when the load is light or in standby mode.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
5. Short-Circuit Current Limit: It features short-circuit current limit protection, safeguarding the regulator and connected components from damage during a short circuit.
6. Overcurrent Protection: The RT9053AGB includes overcurrent protection, ensuring safe operation by limiting the output current to a specified maximum value.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation - High output accuracy - Low power consumption - Thermal and short-circuit protection - Suitable for various applications

Disadvantages: - Limited output current capacity (300mA)

Working Principles

The RT9053AGB operates as a linear voltage regulator. It regulates the input voltage to provide a stable output voltage, regardless of variations in the input voltage or load conditions. By utilizing a feedback mechanism, it adjusts the internal pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The RT9053AGB is widely used in various electronic devices that require a stable voltage supply. Some common application fields include:

1. Mobile Devices:

   • Smartphones
   • Tablets
   • Portable media players

2. Consumer Electronics:

   • Digital cameras
   • Set-top boxes
   • Gaming consoles

3. Industrial Equipment:

   • Measurement instruments
   • Control systems
   • Power supplies

4. Automotive Electronics:

   • Infotainment systems
   • Navigation systems
   • Advanced driver-assistance systems (ADAS)

Detailed and Complete Alternative Models

1. RT9053A: Similar specifications and features, but available in a different package (SOT-89-5).
2. RT9053B: Higher output current capacity (500mA) with similar specifications and features, available in SOT-23-5 package.
3. RT9053C: Lower output current capacity (150mA) with similar specifications and features, available in SOT-23-5 package.

These alternative models provide flexibility in choosing the appropriate voltage regulator based on specific requirements and constraints.

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