AP2125K-1.8TRG1

Introduction

The AP2125K-1.8TRG1 is a voltage regulator belonging to the category of integrated circuits. This device is commonly used in electronic applications to regulate voltage and ensure stable power supply to various components. The following entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the AP2125K-1.8TRG1.

Basic Information Overview

• Category: Integrated Circuits
• Use: Voltage Regulation
• Characteristics: Stable output voltage, compact design
• Package: SOT-23-5
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.3V to 6.0V
• Output Voltage: 1.8V
• Output Current: 300mA
• Dropout Voltage: 200mV
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The AP2125K-1.8TRG1 has a standard SOT-23-5 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even with small input-output differentials.
• Low Quiescent Current: Minimizes power consumption during standby or idle modes.
• Short-Circuit Protection: Safeguards the device and connected components from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Compact size suitable for space-constrained applications.
• Low dropout voltage enhances efficiency.
• Low quiescent current for reduced power consumption.

Disadvantages

• Limited output current compared to higher-capacity regulators.
• Narrow input voltage range may not be suitable for all applications.

Working Principles

The AP2125K-1.8TRG1 operates by comparing the reference voltage with the feedback voltage to adjust the output voltage. When the input voltage fluctuates, the internal circuitry modulates the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The AP2125K-1.8TRG1 is widely used in portable electronic devices such as smartphones, tablets, and portable media players. It is also employed in battery-powered applications, IoT devices, and various handheld consumer electronics where stable voltage regulation is crucial.

Detailed and Complete Alternative Models

• AP2125K-1.5TRG1: Output voltage of 1.5V
• AP2125K-2.5TRG1: Output voltage of 2.5V
• AP2125K-3.3TRG1: Output voltage of 3.3V
• AP2125K-5.0TRG1: Output voltage of 5.0V

In summary, the AP2125K-1.8TRG1 is a versatile voltage regulator with a compact design, low dropout voltage, and low quiescent current, making it suitable for a wide range of electronic applications requiring stable power supply.

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