LM1117DT-5.0/NOPB

Product Overview

Category

The LM1117DT-5.0/NOPB 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 current capability
• Thermal overload protection
• Short circuit current limiting
• Wide input voltage range

Package

The LM1117DT-5.0/NOPB is available in a TO-252 package.

Essence

This voltage regulator is an essential component in electronic devices that require a stable and regulated power supply.

Packaging/Quantity

The LM1117DT-5.0/NOPB is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Output Voltage: 5.0V
• Input Voltage Range: 4.75V to 15V
• Dropout Voltage: 1.2V (typical)
• Output Current: Up to 800mA
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM1117DT-5.0/NOPB has three pins:

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

Functional Features

• Low Dropout Voltage: The LM1117DT-5.0/NOPB exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 800mA, this voltage regulator can power a wide range of electronic components.
• Thermal Overload Protection: The LM1117DT-5.0/NOPB incorporates thermal overload protection, preventing damage due to excessive heat.
• Short Circuit Current Limiting: It also features short circuit current limiting, safeguarding the device and the connected circuitry in case of a short circuit.

Advantages and Disadvantages

Advantages

• Easy to use and implement in various electronic circuits.
• Provides a stable and regulated output voltage.
• Wide input voltage range allows compatibility with different power sources.
• Offers protection against thermal overload and short circuits.

Disadvantages

• Limited maximum output current compared to some other voltage regulators.
• Requires external capacitors for stability and noise reduction.

Working Principles

The LM1117DT-5.0/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The LM1117DT-5.0/NOPB finds applications in various fields, including:

1. Consumer Electronics: Powering microcontrollers, sensors, and display modules.
2. Automotive Electronics: Regulating voltage for automotive systems and accessories.
3. Industrial Control Systems: Providing stable power supply for control circuits and sensors.
4. Communication Devices: Regulating voltage for wireless modules, routers, and networking equipment.

Detailed and Complete Alternative Models

Some alternative models to the LM1117DT-5.0/NOPB include:

1. LM317T: Adjustable voltage regulator with similar characteristics.
2. LP2950: Low dropout voltage regulator suitable for battery-powered applications.
3. LT1086: High current, adjustable voltage regulator with thermal overload protection.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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