ADP2121ACBZ-1.82R7

Overview

Product Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: CBZ package

Essence: The ADP2121ACBZ-1.82R7 is a voltage regulator IC designed to provide a stable and adjustable output voltage for various electronic devices.

Packaging/Quantity: The ADP2121ACBZ-1.82R7 is available in a CBZ package and is typically sold in reels or trays.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Dropout Voltage: 200mV at 300mA
• Output Current: Up to 600mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ADP2121ACBZ-1.82R7 has the following pin configuration:

```

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

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin

Functional Features

• Low Dropout Voltage: The ADP2121ACBZ-1.82R7 has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 600mA, this voltage regulator can power a wide range of electronic devices.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 3.6V, providing flexibility for different applications.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive heat.
• Overcurrent Protection: The ADP2121ACBZ-1.82R7 incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Adjustable output voltage provides versatility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited input voltage range (2.5V to 5.5V) - Quiescent current of 60µA may impact battery life in low-power applications

Working Principles

The ADP2121ACBZ-1.82R7 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. This is achieved through the use of a pass transistor that adjusts its resistance to maintain the desired output voltage.

Detailed Application Field Plans

The ADP2121ACBZ-1.82R7 is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Consumer electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ADP2121ACBZ-1.82R7 include: - LM1117-1.8 - LT1763-1.8 - TPS73618

These alternatives provide comparable voltage regulation capabilities and features, allowing users to choose the most suitable option for their specific requirements.

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