AP2139AK-2.5TRG1

Product Overview

Category

AP2139AK-2.5TRG1 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation capability
• Compact size
• Low power consumption
• High efficiency
• Wide input voltage range

Package

AP2139AK-2.5TRG1 comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic components.

Packaging/Quantity

AP2139AK-2.5TRG1 is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 2.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2139AK-2.5TRG1 has the following pin configuration:

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

Functional Features

• Voltage Regulation: The AP2139AK-2.5TRG1 ensures a stable output voltage regardless of variations in the input voltage.
• Low Dropout Voltage: With a low dropout voltage of only 200mV, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Enable Pin: The EN pin allows for easy control of the regulator's operation, enabling or disabling it as needed.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Compact size makes it suitable for space-constrained applications.
• Low power consumption helps conserve energy.
• Wide input voltage range allows for flexibility in various applications.
• High efficiency ensures minimal power loss during voltage regulation.

Disadvantages

• Limited output current capacity may not be sufficient for high-power applications.
• Lack of adjustable output voltage limits its versatility in certain scenarios.

Working Principles

AP2139AK-2.5TRG1 operates based on a linear voltage regulation principle. It uses an internal reference voltage and feedback mechanism to maintain a constant output voltage regardless of changes in the input voltage.

When the input voltage is within the specified range, the regulator adjusts its internal circuitry to provide a stable output voltage of 2.5V. The feedback pin continuously monitors the output voltage and adjusts the internal circuitry accordingly to maintain the desired voltage level.

Detailed Application Field Plans

AP2139AK-2.5TRG1 finds applications in various electronic devices and systems, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wearable devices - IoT devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2139AK-2.5TRG1 include: - LM1117-2.5 - MCP1700-2.5 - TPS73625

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

In conclusion, AP2139AK-2.5TRG1 is a compact voltage regulator with excellent voltage regulation capabilities. Its small size, low power consumption, and wide input voltage range make it suitable for a variety of electronic applications. While it has limitations in terms of output current capacity and adjustable output voltage, it offers reliable and efficient voltage regulation for many consumer electronic devices.