RT9073A-12GQZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: QFN-16

Essence: The RT9073A-12GQZ is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9073A-12GQZ is available in a QFN-16 package. It is typically sold in reels containing a specific quantity, usually 2500 units per reel.

Specifications

The RT9073A-12GQZ has the following specifications:

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

Pin Configuration

The RT9073A-12GQZ has a total of 16 pins arranged as follows:

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| | | 1 16| | | | 2 15| | | | 3 14| | | | 4 13| | | | 5 12| | | | 6 11| | | | 7 10| | | | 8 9| |_______________| ```

Functional Features

• High Efficiency: The RT9073A-12GQZ offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 100mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage of the RT9073A-12GQZ can be adjusted within the range of 1.2V to 5.5V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Disadvantages: - Limited maximum output current (300mA) - Restricted input voltage range (2.5V - 6V)

Working Principles

The RT9073A-12GQZ operates as a linear voltage regulator. It regulates the output voltage by comparing it with an internal reference voltage and adjusting the pass transistor accordingly. When the input voltage exceeds the desired output voltage, the pass transistor reduces the voltage drop across it, maintaining a stable output voltage.

Detailed Application Field Plans

The RT9073A-12GQZ finds applications in various electronic devices that require a regulated power supply. Some potential application fields include:

1. Mobile Devices:

   • Smartphones
   • Tablets
   • Portable media players

2. Wearable Electronics:

   • Smartwatches
   • Fitness trackers
   • Headphones

3. IoT Devices:

   • Home automation systems
   • Wireless sensors
   • Smart appliances

4. Automotive Electronics:

   • Infotainment systems
   • GPS navigation devices
   • On-board diagnostics

Detailed and Complete Alternative Models

Some alternative models to the RT9073A-12GQZ that offer similar functionality are:

1. LM1117-3.3: A popular voltage regulator IC with a fixed output voltage of 3.3V.
2. LT1763: A high-performance, low dropout voltage regulator with adjustable output voltage.
3. TPS79633: An ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator.

These alternative models can be considered based on specific requirements and design constraints.

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