AP2121N-2.8TRG1

Product Overview

Category

AP2121N-2.8TRG1 belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Voltage regulation
• Stabilization of output voltage
• Compact package size
• Low power consumption

Package

AP2121N-2.8TRG1 is available in a small surface-mount package.

Essence

The essence of AP2121N-2.8TRG1 lies in its ability to provide stable voltage output for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 2.8V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2121N-2.8TRG1 has the following pin configuration:

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

Functional Features

• Voltage Regulation: AP2121N-2.8TRG1 ensures a stable output voltage regardless of input voltage fluctuations.
• Low Dropout Voltage: The low dropout voltage allows the regulator to operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact size enables easy integration into space-constrained designs.
• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Low quiescent current minimizes power consumption, extending battery life.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Temperature limitations restrict usage in extreme environments.

Working Principles

AP2121N-2.8TRG1 operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. This is achieved through the use of a voltage reference, error amplifier, and pass transistor.

Detailed Application Field Plans

AP2121N-2.8TRG1 finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP2121N-2.8TRG1 are: - LM1117-2.8 - MCP1700-2.8 - XC6206P282MR

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

In conclusion, AP2121N-2.8TRG1 is a voltage regulator that provides stable voltage output for various electronic applications. Its compact size, wide input voltage range, and low power consumption make it suitable for a range of devices. However, its limited output current capacity and temperature limitations should be taken into consideration when selecting this product.