AP2125K-2.8TRG1

Product Overview

Category

AP2125K-2.8TRG1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2125K-2.8TRG1 comes in a compact surface-mount package.
• Essence: This voltage regulator provides stable and reliable voltage output.
• Packaging/Quantity: It is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The AP2125K-2.8TRG1 has the following specifications:

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 2.8V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2125K-2.8TRG1 has the following pin configuration:

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

Functional Features

The functional features of AP2125K-2.8TRG1 include:

• Low dropout voltage: Ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: Minimizes power consumption when the load is light.
• Overcurrent and thermal protection: Safeguards the regulator and the connected circuitry from damage.
• Fast transient response: Allows for quick stabilization of the output voltage during load changes.

Advantages and Disadvantages

Advantages: - Compact size and surface-mount package make it suitable for space-constrained applications. - Wide input voltage range allows for flexibility in various electronic circuits. - Low dropout voltage ensures efficient power conversion.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The AP2125K-2.8TRG1 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

AP2125K-2.8TRG1 finds application in various electronic devices, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from its low quiescent current and wide input voltage range.
2. IoT devices: Sensors, actuators, and other IoT devices can utilize this voltage regulator for stable power supply.
3. Automotive electronics: It can be used in automotive applications like infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

Some alternative models to AP2125K-2.8TRG1 include:

1. LM1117-2.8: A popular voltage regulator with similar specifications and pin configuration.
2. MCP1702-2.8: Another alternative offering low dropout voltage and compact package.
3. TS2950-2.8: A cost-effective option with comparable features.

These alternatives provide similar functionality and can be considered based on specific requirements and availability.

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