AP2125KS-2.8TRG1

Product Overview

Category

AP2125KS-2.8TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The AP2125KS-2.8TRG1 comes in a small surface-mount package.
• Essence: It is a low dropout linear regulator with a fixed output voltage of 2.8V.
• Packaging/Quantity: The product is typically packaged in reels or tubes, with a quantity of around 3000 units per reel.

Specifications

The specifications of AP2125KS-2.8TRG1 are as follows:

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 2.8V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 150mA
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AP2125KS-2.8TRG1 is as follows:

• Pin 1: VIN (Input Voltage)
• Pin 2: GND (Ground)
• Pin 3: VOUT (Output Voltage)

Functional Features

The functional features of AP2125KS-2.8TRG1 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 includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Stable output voltage even under varying input conditions.
• Low quiescent current helps conserve power in battery-operated devices.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Fixed output voltage may not be adjustable for specific requirements.

Working Principles

AP2125KS-2.8TRG1 operates based on the principle of a linear regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

AP2125KS-2.8TRG1 finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the stable voltage regulation provided by AP2125KS-2.8TRG1.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient voltage regulation, making this regulator suitable for such applications.
3. Industrial control systems: The stability and low quiescent current of AP2125KS-2.8TRG1 make it suitable for use in industrial control systems that require reliable voltage regulation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2125KS-2.8TRG1 include:

1. LM1117-2.8: A popular voltage regulator with a fixed 2.8V output voltage.
2. MCP1700-2802E/TO: Another low dropout voltage regulator with a fixed 2.8V output.
3. TS2937CZ-2.8: A low dropout voltage regulator with a fixed 2.8V output and adjustable shutdown current.

These alternative models can be considered based on specific application requirements and availability.

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