AP2138N-1.8TRG1

Product Overview

Category

AP2138N-1.8TRG1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2138N-1.8TRG1 comes in a compact surface-mount package.
• Essence: This voltage regulator provides stable and reliable voltage output.
• Packaging/Quantity: It is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The AP2138N-1.8TRG1 has the following specifications:

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.8V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2138N-1.8TRG1 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: The AP2138N-1.8TRG1 exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption when the load is light.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
• Thermal Shutdown: The AP2138N-1.8TRG1 includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving designs.
• Stable and reliable voltage output ensures proper functioning of electronic circuits.
• Low dropout voltage enables efficient power conversion.
• Overcurrent protection enhances circuit safety.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Temperature range restrictions (-40°C to +85°C) may limit usage in extreme environments.

Working Principles

The AP2138N-1.8TRG1 operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, even when the input voltage fluctuates.

Detailed Application Field Plans

The AP2138N-1.8TRG1 finds applications in various fields, including:

1. Portable Electronics: It is commonly used in battery-powered devices such as smartphones, tablets, and portable media players to provide stable voltage supply.
2. IoT Devices: The voltage regulator is suitable for IoT devices that require low power consumption and reliable voltage regulation.
3. Automotive Electronics: It can be employed in automotive applications, such as infotainment systems or dashboard displays, where stable voltage supply is crucial.

Detailed and Complete Alternative Models

Some alternative models to the AP2138N-1.8TRG1 include:

1. AP2112N-1.8TRG1
2. AP2204K-1.8TRG1
3. AP2305N-1.8TRG1
4. AP2408N-1.8TRG1

These models offer similar voltage regulation capabilities and can be considered as alternatives depending on specific requirements.

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