RT9073A-15GQZ

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: QFN-16

Essence: The RT9073A-15GQZ is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The RT9073A-15GQZ is available in a QFN-16 package, which stands for Quad Flat No-leads package. This package type offers a compact size and good thermal performance. The product is typically sold in reels or trays containing multiple units.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The RT9073A-15GQZ has a total of 16 pins arranged as follows:

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| | | 1 9 16 | | | | 2 8 15 | | | | 3 7 14 | | | | 4 6 13 | | | | 5 10 12 | |_______________| ```

Pin Description: 1. VIN: Input Voltage 2. EN: Enable Pin 3. GND: Ground 4. VOUT: Output Voltage 5. FB: Feedback Pin 6. NC: No Connection 7. NC: No Connection 8. NC: No Connection 9. NC: No Connection 10. NC: No Connection 11. NC: No Connection 12. NC: No Connection 13. NC: No Connection 14. NC: No Connection 15. NC: No Connection 16. NC: No Connection

Functional Features

• Low dropout voltage ensures stable output even when the input voltage is close to the desired output voltage.
• High output current capability allows for powering various components in electronic devices.
• Adjustable output voltage provides flexibility in different applications.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.

Advantages and Disadvantages

Advantages: - Compact size due to QFN-16 package. - Wide input voltage range. - Low quiescent current. - Excellent thermal performance.

Disadvantages: - Limited output current compared to some other voltage regulator ICs. - Requires external components for proper operation.

Working Principles

The RT9073A-15GQZ operates as a linear voltage regulator. It takes an input voltage and regulates it to a stable output voltage using an internal feedback mechanism. The enable pin (EN) can be used to turn the regulator on or off. When enabled, the IC adjusts its internal circuitry to maintain the desired output voltage. If the temperature exceeds a certain threshold, the thermal shutdown protection feature activates, turning off the regulator to prevent damage.

Detailed Application Field Plans

The RT9073A-15GQZ finds applications in various electronic devices that require a stable and regulated power supply. Some common application areas include:

1. Mobile Devices: Smartphones, tablets, and portable media players often use the RT9073A-15GQZ to regulate the voltage supplied to different components, such as the display, processor, and memory.

2. IoT Devices: Internet of Things (IoT) devices, including sensors, wearables, and home automation systems, benefit from the RT9073A-15GQZ's low dropout voltage and adjustable output voltage, ensuring reliable operation.

3. Industrial Equipment: The IC is suitable for powering control circuits, sensors, and communication modules in industrial equipment, providing stable voltage despite varying input conditions.

4. Automotive Electronics: The RT9073A-15GQZ can be used in automotive applications, such as infotainment systems, dashboard displays, and lighting control, where a regulated power supply is crucial.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. MCP1700-3302E: Another alternative offering low dropout voltage and high output current.
3. TS2940CX33: An alternative with a fixed 3.3V output voltage and compact SOT-89 package.

These alternatives provide similar