LT1117IST-2.85#TRPBF

Product Overview

Category

The LT1117IST-2.85#TRPBF belongs to the category of low dropout linear regulators.

Use

It is commonly used as a voltage regulator in various electronic devices and circuits.

Characteristics

• Low dropout voltage: The LT1117IST-2.85#TRPBF has a low dropout voltage, which means it can regulate the output voltage even when the input voltage is close to the desired output voltage.
• High accuracy: It provides precise voltage regulation with low output voltage deviation.
• Low quiescent current: The device consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: The LT1117IST-2.85#TRPBF includes thermal shutdown protection to prevent damage due to excessive heat.
• Current limit protection: It features current limit protection to safeguard against overcurrent conditions.

Package

The LT1117IST-2.85#TRPBF comes in a surface-mount SOT-223 package.

Essence

The essence of the LT1117IST-2.85#TRPBF is its ability to provide stable and regulated output voltage in various electronic applications.

Packaging/Quantity

The LT1117IST-2.85#TRPBF is typically packaged in reels or tubes, and the quantity per package varies depending on the manufacturer.

Specifications

• Output Voltage: 2.85V
• Dropout Voltage: 1.2V (maximum)
• Output Current: 800mA (maximum)
• Input Voltage Range: 4.3V to 15V
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 5mA (maximum)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1117IST-2.85#TRPBF has three pins:

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

Functional Features

• Voltage Regulation: The LT1117IST-2.85#TRPBF regulates the output voltage to a constant value, regardless of changes in the input voltage or load conditions.
• Overcurrent Protection: It includes current limit protection to prevent damage due to excessive current flow.
• Thermal Shutdown Protection: The device shuts down when the temperature exceeds a certain threshold, protecting it from overheating.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current makes it suitable for battery-powered applications.
• Thermal shutdown and current limit protection enhance reliability and prevent damage.

Disadvantages

• Limited output current capacity compared to other voltage regulators.
• SOT-223 package may require surface-mount soldering expertise.

Working Principles

The LT1117IST-2.85#TRPBF 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. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage.

Detailed Application Field Plans

The LT1117IST-2.85#TRPBF finds application in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Embedded systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LT1117IST-2.85#TRPBF include: - LM1117-2.85 - ADP3339-2.85 - MAX6035

These models offer similar voltage regulation capabilities and can be used as alternatives depending on specific application requirements.

In conclusion, the LT1117IST-2.85#TRPBF is a low dropout linear regulator that provides stable and accurate voltage regulation in various electronic applications. Its low dropout voltage, high accuracy, and protection features make it a reliable choice for many designs.