ADP2109ACBZ-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

Package: SOT-23-5

Essence: The ADP2109ACBZ-1.8-R7 is a high-performance voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ADP2109ACBZ-1.8-R7 is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.3V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 600mA
• Output Current: Up to 600mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADP2109ACBZ-1.8-R7 has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: Not Connected --| NC NC |-- Pin 4: Not Connected --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

1. Low Dropout Voltage: The ADP2109ACBZ-1.8-R7 exhibits a low dropout voltage, allowing it to regulate the output voltage 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 electronic 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 within a range of 1.2V to 5.5V, providing flexibility in different circuit designs.

5. Thermal Shutdown Protection: The ADP2109ACBZ-1.8-R7 incorporates thermal shutdown protection, which prevents the IC from overheating and ensures safe operation.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation - High output current capability for powering various devices - Wide input voltage range allows versatility in applications - Adjustable output voltage provides flexibility - Thermal shutdown protection ensures safety

Disadvantages: - Limited output current compared to higher-power regulators - Not suitable for applications requiring extremely low dropout voltage

Working Principles

The ADP2109ACBZ-1.8-R7 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance. This adjustment maintains a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The ADP2109ACBZ-1.8-R7 finds application in various fields, including but not limited to: 1. Battery-powered portable devices 2. Wireless communication systems 3. Industrial control systems 4. Automotive electronics 5. Medical equipment

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and package.
2. MCP1700-1802E/TO: Another alternative with adjustable output voltage and SOT-23-5 package.
3. TPS78218DRVT: A high-performance alternative with a wide input voltage range and low dropout voltage.

These alternative models offer similar functionality and can be considered as replacements for the ADP2109ACBZ-1.8-R7 in various applications.

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