LT1117IST#TRPBF

Product Overview

Category

LT1117IST#TRPBF belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Adjustable output voltage
• Current limiting
• Thermal shutdown protection

Package

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

Essence

The essence of LT1117IST#TRPBF lies in its ability to provide stable and regulated voltage to 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 to 20V
• Output Voltage Range: 1.2V to 18V
• Dropout Voltage: 1.2V (typical)
• Maximum Output Current: 800mA
• Line Regulation: ±0.04% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LT1117IST#TRPBF 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

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Adjustable output voltage allows flexibility in meeting specific voltage requirements.
• Current limiting protects the regulator and the connected circuitry from excessive current.
• Thermal shutdown protection prevents damage due to overheating.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Wide input voltage range.
• Low dropout voltage minimizes power dissipation.
• Compact SOT-223 package for space-constrained applications.

Disadvantages

• Limited maximum output current of 800mA.
• Requires external components for adjustable output voltage configuration.

Working Principles

LT1117IST#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. 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

LT1117IST#TRPBF finds applications in various electronic devices and circuits, including but not limited to: - Power supplies - Battery-powered systems - Audio amplifiers - Microcontroller circuits - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LT1117IST#TRPBF are: - LM317T - LM1117-ADJ - LDO50V

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

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