AP2125K-4.2TRG1

Product Overview

Category

AP2125K-4.2TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Compact package size
• High efficiency
• Low dropout voltage
• Overcurrent and thermal protection

Package

AP2125K-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, ensuring proper functioning of electronic devices.

Packaging/Quantity

AP2125K-4.2TRG1 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• 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

AP2125K-4.2TRG1 has the following pin configuration:

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

Functional Features

• Voltage regulation: AP2125K-4.2TRG1 ensures a stable output voltage even when the input voltage fluctuates.
• Overcurrent protection: The device automatically shuts down if the output current exceeds the specified limit.
• Thermal protection: In case of excessive temperature, the regulator enters a thermal shutdown mode to prevent damage.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving designs.
• High efficiency results in minimal power loss.
• Low dropout voltage enables operation with low input voltages.
• Overcurrent and thermal protection enhance device reliability.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Restricted input voltage range may limit compatibility with certain systems.

Working Principles

AP2125K-4.2TRG1 operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, compensating for any variations in the input voltage.

Detailed Application Field Plans

AP2125K-4.2TRG1 finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication modules - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2125K-4.2TRG1 include: - LM1117-4.2 - MCP1700-4202E/TO - XC6204B42ADR-G

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

In conclusion, AP2125K-4.2TRG1 is a voltage regulator that provides stable and regulated voltage output for electronic circuits. Its compact size, high efficiency, and protection features make it suitable for various applications. However, its limited output current capacity and input voltage range should be taken into consideration when selecting this product for specific projects.