AP2125KS-1.8TRG1

Product Overview

Category

AP2125KS-1.8TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The AP2125KS-1.8TRG1 comes in a small surface-mount package.
• Essence: It is a low dropout linear regulator with a fixed output voltage of 1.8V.
• Packaging/Quantity: The product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of AP2125KS-1.8TRG1 include:

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 600mA
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 75µA (typical)

Detailed Pin Configuration

The AP2125KS-1.8TRG1 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (optional)

Functional Features

The functional features of AP2125KS-1.8TRG1 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, conserving power.
• Thermal shutdown protection: The regulator includes built-in protection against excessive temperature, ensuring safe operation.

Advantages and Disadvantages

Advantages: - Compact package size - Low dropout voltage - Good line and load regulation

Disadvantages: - Fixed output voltage may limit flexibility in certain applications - Limited maximum output current

Working Principles

The AP2125KS-1.8TRG1 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. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

AP2125KS-1.8TRG1 finds applications in various electronic devices, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low dropout voltage and low quiescent current of this regulator.
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 reliability of the AP2125KS-1.8TRG1 make it suitable for use in industrial control systems that require precise voltage regulation.

Detailed and Complete Alternative Models

Some alternative models to AP2125KS-1.8TRG1 include:

1. LM1117-1.8: A popular fixed 1.8V linear regulator with similar specifications.
2. MCP1700-1802E/TO: Another 1.8V fixed output voltage regulator with low dropout characteristics.
3. TS2940CX-1.8: A low dropout voltage regulator with a fixed 1.8V output and high accuracy.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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