AP2138R-2.8TRG1

Product Overview

Category

AP2138R-2.8TRG1 belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: AP2138R-2.8TRG1 provides a stable output voltage.
• Efficiency: It offers high efficiency, minimizing power loss during voltage conversion.
• Low dropout voltage: The regulator can operate with a small voltage difference between input and output.
• Thermal protection: It includes built-in thermal shutdown protection to prevent overheating.
• Current limit protection: AP2138R-2.8TRG1 has current limit protection to safeguard against excessive current flow.

Package

The AP2138R-2.8TRG1 comes in a compact surface-mount package.

Essence

The essence of AP2138R-2.8TRG1 lies in its ability to regulate voltage effectively and efficiently, ensuring stable power supply for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Input voltage range: 2.5V - 6V
• Output voltage: 2.8V
• Maximum output current: 500mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 50µA
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The AP2138R-2.8TRG1 has the following pin configuration:

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

Functional Features

• Voltage regulation: The AP2138R-2.8TRG1 maintains a constant output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It can operate with a minimal voltage difference between the input and output, maximizing efficiency.
• Thermal protection: The regulator includes built-in thermal shutdown protection to prevent overheating and potential damage.
• Current limit protection: AP2138R-2.8TRG1 has current limit protection to prevent excessive current flow, ensuring device safety.

Advantages and Disadvantages

Advantages

• Stable output voltage regulation
• High efficiency
• Compact package size
• Built-in thermal and current limit protection

Disadvantages

• Limited maximum output current (500mA)
• Restricted input voltage range (2.5V - 6V)

Working Principles

The AP2138R-2.8TRG1 operates based on the principle of voltage regulation using internal circuitry. It compares the output voltage to a reference voltage and adjusts the internal components to maintain a stable output voltage, compensating for any variations in the input voltage.

Detailed Application Field Plans

AP2138R-2.8TRG1 finds applications in various electronic devices and circuits that require a stable and regulated power supply. Some common application fields include:

1. Mobile devices: Smartphones, tablets, and portable media players.
2. IoT devices: Sensors, wearable devices, and connected appliances.
3. Automotive electronics: Infotainment systems, navigation units, and lighting controls.
4. Industrial equipment: Control systems, motor drives, and instrumentation.
5. Consumer electronics: Audio/video equipment, gaming consoles, and digital cameras.

Detailed and Complete Alternative Models

1. AP2112K-2.8TRG1: Similar voltage regulator with a lower maximum output current of 300mA.
2. AP2204K-2.8TRG1: Voltage regulator with a higher maximum output current of 1A.
3. AP63200-2.8TRG1: Adjustable voltage regulator with a wider input voltage range.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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