AP1117T25G-U

Product Overview

Category

AP1117T25G-U belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Thermal shutdown protection
• Short circuit current limit

Package

AP1117T25G-U is available in a TO-252 package.

Essence

The essence of AP1117T25G-U is to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 12V
• Output Voltage: 2.5V
• Output Current: Up to 1A
• Dropout Voltage: 1.2V (max)
• Quiescent Current: 5mA (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AP1117T25G-U has three pins:

1. Vin (Input Voltage): Connects to the input voltage source.
2. Vout (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Common reference point for the circuit.

Functional Features

• Voltage Regulation: AP1117T25G-U ensures a stable output voltage regardless of input voltage fluctuations.
• Thermal Shutdown Protection: It automatically shuts down when the temperature exceeds a certain threshold, preventing damage to the device.
• Short Circuit Current Limit: Protects the circuit from excessive current flow during a short circuit condition.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating and damage.
• Short circuit current limit protects the circuit from damage during short circuits.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external components for proper operation.

Working Principles

AP1117T25G-U operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal feedback mechanism compares the output voltage with a reference voltage, and any deviation is corrected by adjusting the pass transistor.

Detailed Application Field Plans

AP1117T25G-U finds applications in various electronic devices and systems, including:

1. Power supplies for microcontrollers and digital circuits.
2. Battery-powered devices requiring stable voltage levels.
3. Automotive electronics, such as infotainment systems and engine control units.
4. Industrial automation systems.
5. Communication equipment, including routers and switches.
6. Consumer electronics, such as TVs, audio systems, and gaming consoles.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP1117T25G-U include:

1. LM1117-2.5: A popular voltage regulator with similar specifications and features.
2. LT1085CT: A high-current linear voltage regulator suitable for demanding applications.
3. TPS7A4700: An ultra-low-noise LDO voltage regulator for sensitive analog circuits.
4. ADP3339: A low-dropout voltage regulator with adjustable output voltage.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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