ADP2108AUJZ-1.8-R7

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection - Overcurrent and short-circuit protection

Package: SOT-23-5

Essence: The ADP2108AUJZ-1.8-R7 is a high-performance, low dropout voltage regulator designed for various applications that require a stable and regulated power supply.

Packaging/Quantity: The ADP2108AUJZ-1.8-R7 is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 6.5V
• Output Voltage: 1.8V
• Dropout Voltage: 150mV at 600mA
• Output Current: Up to 600mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ADP2108AUJZ-1.8-R7 has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage
• GND: Ground
• VOUT: Output voltage
• EN: Enable pin (active high)

Functional Features

1. Low Dropout Voltage: The ADP2108AUJZ-1.8-R7 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 600mA, this voltage regulator can power a wide range of devices.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.3V to 6.5V, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, allowing flexibility in different system requirements.
5. Thermal Shutdown Protection: The ADP2108AUJZ-1.8-R7 incorporates thermal shutdown protection, preventing damage due to excessive heat.
6. Overcurrent and Short-Circuit Protection: The IC includes built-in overcurrent and short-circuit protection mechanisms, enhancing the safety and reliability of the system.

Advantages and Disadvantages

Advantages: - High output current capability - Wide input voltage range - Adjustable output voltage - Thermal shutdown and overcurrent protection

Disadvantages: - Dropout voltage may limit efficiency in certain low-power applications

Working Principles

The ADP2108AUJZ-1.8-R7 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The enable pin (EN) allows the user to control the regulator's operation by enabling or disabling the output.

Detailed Application Field Plans

The ADP2108AUJZ-1.8-R7 is commonly used in various electronic systems that require a stable and regulated power supply. Some typical application fields include:

1. Portable Devices: This voltage regulator is suitable for powering portable devices such as smartphones, tablets, and portable media players.
2. Wireless Communication Systems: It can be used in wireless communication systems, including Wi-Fi modules, Bluetooth devices, and IoT applications.
3. Battery-Powered Systems: The ADP2108AUJZ-1.8-R7 is ideal for battery-powered systems, extending the battery life by efficiently regulating the voltage.
4. Industrial Control Systems: It finds applications in industrial control systems, providing stable power to microcontrollers, sensors, and other components.

Detailed and Complete Alternative Models

1. ADP2110AUJZ-2.5-R7: Similar to ADP2108AUJZ-1.8-R7 but with an output voltage of 2.5V.
2. ADP2120AUJZ-3.3-R7: Similar to ADP2108AUJZ-1.8-R7 but with an output voltage of 3.3V.
3. ADP2130AUJZ-5.0-R7: Similar to ADP2108AUJZ-1.8-R7 but with an output voltage of 5.0V.

These alternative models provide similar functionality but with different output voltage options, allowing flexibility in various system designs.

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