AP2125N-4.2TRE1

Product Overview

Category

AP2125N-4.2TRE1 belongs to the category of voltage regulators.

Use

This product is used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2125N-4.2TRE1 comes in a compact surface-mount package.
• Essence: It is designed to provide stable and reliable voltage regulation.
• Packaging/Quantity: The product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of AP2125N-4.2TRE1 are as follows:

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 4.2V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of AP2125N-4.2TRE1 is as follows:

```

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

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

Functional Features

• Low Dropout Voltage: The AP2125N-4.2TRE1 has a low dropout voltage, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The product features low quiescent current, minimizing power consumption when the load is light.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Protection: The voltage regulator is equipped with short circuit protection, safeguarding the circuit from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Wide input voltage range allows flexibility in various electronic circuits.
• Low dropout voltage ensures efficient voltage regulation.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited output current capacity (up to 500mA) may not be sufficient for high-power applications.
• Lack of adjustable output voltage limits its versatility in certain scenarios.

Working Principles

AP2125N-4.2TRE1 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 mechanism ensures that the output voltage remains stable even when the input voltage fluctuates.

Detailed Application Field Plans

AP2125N-4.2TRE1 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP2125N-4.2TRE1 are: - LM1117-4.2 - MCP1700-4.2 - TPS73601-4.2

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

In conclusion, AP2125N-4.2TRE1 is a voltage regulator with a compact package, low dropout voltage, and various protection features. It finds applications in diverse electronic devices and systems, providing stable and reliable voltage regulation.