AP2125AK-4.2TRG1

Product Overview

Category

AP2125AK-4.2TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Compact size
• Low power consumption
• High efficiency

Package

AP2125AK-4.2TRG1 is available in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

AP2125AK-4.2TRG1 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.2V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2125AK-4.2TRG1 has the following pin configuration:

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

Functional Features

• Voltage Regulation: The AP2125AK-4.2TRG1 ensures a stable output voltage regardless of input voltage fluctuations.
• Overcurrent Protection: This product incorporates overcurrent protection to safeguard the circuitry from excessive current flow.
• Thermal Shutdown: In case of excessive temperature, the AP2125AK-4.2TRG1 automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Small form factor allows for easy integration into compact electronic devices.
• Low power consumption helps conserve energy.
• High efficiency ensures minimal power loss during voltage regulation.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect performance in low input voltage scenarios.

Working Principles

AP2125AK-4.2TRG1 operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage.

Detailed Application Field Plans

AP2125AK-4.2TRG1 finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP2125AK-4.2TRG1 are: - LM317T - LT1086 - LM1117-3.3

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

In conclusion, AP2125AK-4.2TRG1 is a voltage regulator with compact size, high efficiency, and low power consumption. It provides stable voltage output and incorporates features like overcurrent protection and thermal shutdown. While it has limitations in terms of output current capacity and dropout voltage, it finds applications in various electronic devices. Alternative models such as LM317T, LT1086, and LM1117-3.3 can be considered as substitutes.