AP1117T33G-U

Product Overview

Category

AP1117T33G-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

AP1117T33G-U is available in a TO-252 package.

Essence

The essence of AP1117T33G-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.

Specifications

• Input Voltage Range: 2.5V - 12V
• Output Voltage: 3.3V
• 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

AP1117T33G-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): Serves as the reference ground for the regulator.

Functional Features

• Voltage Regulation: AP1117T33G-U ensures a stable output voltage regardless of input voltage fluctuations.
• Low Dropout Voltage: It operates efficiently even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: The regulator automatically shuts down if the temperature exceeds a safe limit.
• Short Circuit Current Limit: Protects the circuit from excessive current during a short circuit event.

Advantages and Disadvantages

Advantages

• High output voltage accuracy ensures precise voltage regulation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage due to overheating.
• Short circuit current limit protects the circuit from damage.

Disadvantages

• Limited output current capacity (up to 1A).
• Dropout voltage may cause a slight loss of efficiency in certain applications.

Working Principles

AP1117T33G-U operates based on the principle of linear voltage 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 voltage.

Detailed Application Field Plans

AP1117T33G-U finds applications in various electronic devices, including but not limited to: - Power supplies - Battery-powered devices - Microcontrollers - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP1117T33G-U are: - LM1117-3.3 - LT1117-3.3 - MCP1703-3302E/TO

These models offer similar functionality and specifications, providing options for different design requirements.

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