RT9078-12GQZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: QFN-16

Essence: The RT9078-12GQZ is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9078-12GQZ is available in a QFN-16 package. It is typically sold in reels containing a specific quantity determined by the manufacturer.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V
• Dropout Voltage: 200mV @ 300mA
• Output Current: Up to 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9078-12GQZ has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage 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 efficient power conversion even with small input-output voltage differentials.
• High output current capability allows the IC to power a wide range of electronic devices.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability enables the IC to power various devices. - Adjustable output voltage offers flexibility in voltage regulation. - Thermal shutdown and overcurrent protection enhance reliability and safety.

Disadvantages: - Limited output voltage range (1.2V) may not be suitable for all applications. - The QFN-16 package may require specialized equipment for soldering and handling.

Working Principles

The RT9078-12GQZ operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable 1.2V output voltage. The internal circuitry of the IC adjusts the output voltage based on the feedback received from the FB pin. The enable pin (EN) controls the operation of the regulator, allowing it to be turned on or off as needed. The IC also incorporates thermal shutdown and overcurrent protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The RT9078-12GQZ is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wireless Communication Systems: Wi-Fi modules, Bluetooth devices.
3. Consumer Electronics: Digital cameras, portable gaming consoles.
4. Industrial Equipment: Sensors, control systems, measurement devices.
5. Automotive Electronics: Infotainment systems, navigation units.

Detailed and Complete Alternative Models

1. RT9078-33GQZ: Similar to RT9078-12GQZ, but with a fixed output voltage of 3.3V.
2. RT9078-25GQZ: Similar to RT9078-12GQZ, but with a fixed output voltage of 2.5V.
3. RT9078-ADJGQZ: Adjustable output voltage version with a wider range of voltage options.

These alternative models provide similar functionality and characteristics as the RT9078-12GQZ but cater to different voltage requirements.

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