AP2121AK-2.8TRG1

Product Overview

Category

AP2121AK-2.8TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Compact size
• Low power consumption
• Wide input voltage range
• High efficiency

Package

AP2121AK-2.8TRG1 comes in a small surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of AP2121AK-2.8TRG1 lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

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: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2121AK-2.8TRG1 has the following pin configuration:

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

Functional Features

• Voltage Regulation: The AP2121AK-2.8TRG1 ensures a stable output voltage regardless of variations in the input voltage.
• Overcurrent Protection: This product incorporates overcurrent protection to safeguard connected devices from excessive current flow.
• Thermal Shutdown: In case of excessive temperature, the regulator shuts down to prevent damage to the device.
• Low Power Consumption: The low quiescent current of 50µA ensures minimal power loss during operation.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into space-constrained designs.
• Wide input voltage range makes it compatible with various power sources.
• High efficiency results in reduced power dissipation and longer battery life.
• Overcurrent protection enhances the safety of connected devices.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect performance in low-input voltage scenarios.

Working Principles

AP2121AK-2.8TRG1 operates based on a feedback mechanism that compares the output voltage to a reference voltage. It adjusts the internal circuitry to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

AP2121AK-2.8TRG1 finds applications 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 offer similar functionality to AP2121AK-2.8TRG1 include: - AP1117E33G-13: 3.3V Voltage Regulator - LM317T: Adjustable Voltage Regulator - XC6206P332MR: 3.3V Low Dropout Regulator - MCP1700-3302E/TO: 3.3V CMOS LDO Regulator

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

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