AP2125N-4.2TRG1

Product Overview

Category

AP2125N-4.2TRG1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: AP2125N-4.2TRG1 ensures a stable output voltage regardless of input fluctuations.
• Efficiency: It operates with high efficiency, minimizing power loss.
• Low dropout voltage: The regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Thermal protection: It incorporates thermal shutdown circuitry to prevent overheating.
• Small form factor: The compact size of AP2125N-4.2TRG1 makes it suitable for space-constrained applications.

Package

AP2125N-4.2TRG1 is available in a small surface-mount package, allowing for easy integration into circuit boards.

Essence

The essence of AP2125N-4.2TRG1 lies in its ability to provide reliable and regulated voltage output, ensuring the proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of AP2125N-4.2TRG1 units.

Specifications

• Input voltage range: 2.7V to 6V
• Output voltage: 4.2V
• Maximum output current: 300mA
• Dropout voltage: 200mV (typical)
• Quiescent current: 50µA (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

AP2125N-4.2TRG1 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage regulation: AP2125N-4.2TRG1 maintains a stable output voltage even with varying input voltages.
• Current limiting: It incorporates current limiting circuitry to protect the device and connected components from excessive current.
• Thermal protection: The regulator includes thermal shutdown circuitry to prevent overheating, ensuring safe operation.

Advantages and Disadvantages

Advantages

• High efficiency, minimizing power loss
• Low dropout voltage for stable output
• Compact size for easy integration
• Thermal protection for safe operation

Disadvantages

• Limited maximum output current (300mA)
• Restricted input voltage range (2.7V to 6V)

Working Principles

AP2125N-4.2TRG1 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 constant output voltage. This ensures that the connected electronic devices receive a stable power supply, regardless of input voltage fluctuations.

Detailed Application Field Plans

AP2125N-4.2TRG1 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 to AP2125N-4.2TRG1 include: - AP2125N-3.3TRG1: Provides a regulated output voltage of 3.3V - AP2125N-5.0TRG1: Provides a regulated output voltage of 5.0V - AP2125N-ADJTRG1: Adjustable output voltage version, allowing for customization within a specific range

These alternative models offer similar functionality but with different output voltage options to suit specific application requirements.

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