AP2125K-3.0TRG1

Product Overview

Category

AP2125K-3.0TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The AP2125K-3.0TRG1 comes in a small surface-mount SOT-23 package.
• Essence: It is a low dropout linear regulator with a fixed output voltage of 3.0V.
• Packaging/Quantity: The product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

The specifications of AP2125K-3.0TRG1 are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 75µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.2%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2125K-3.0TRG1 has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

The functional features of AP2125K-3.0TRG1 include:

• Low dropout voltage: The regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, resulting in improved power efficiency.
• Overcurrent and thermal protection: The regulator incorporates protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving designs.
• Low dropout voltage enables efficient regulation even with low input voltages.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.

Disadvantages

• Fixed output voltage may limit its applicability in certain scenarios where variable output voltages are required.
• Limited operating temperature range may restrict usage in extreme environments.

Working Principles

The AP2125K-3.0TRG1 operates based on the principle of linear regulation. It uses 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, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

AP2125K-3.0TRG1 finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: The regulator can be used to provide a stable voltage supply to microcontrollers, sensors, and other components in portable electronics.
2. Automotive electronics: It can be employed in automotive systems to regulate voltage for various modules, such as infotainment systems, lighting controls, and engine management units.
3. Industrial control systems: The product is suitable for use in industrial automation, where precise voltage regulation is crucial for reliable operation of control circuits.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2125K-3.0TRG1 include:

1. LM1117-3.3: A popular voltage regulator with a fixed output voltage of 3.3V.
2. MCP1703: Another low dropout voltage regulator available in various output voltage options.
3. LT1763: A high-performance linear regulator with adjustable output voltage.

These alternatives can be considered based on specific application requirements and desired features.

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