LT1117IST-5#TRPBF

Product Overview

Category

The LT1117IST-5#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure a stable power supply.

Characteristics

• Voltage regulation: The LT1117IST-5#TRPBF provides a fixed output voltage of 5 volts.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Current limiting: The device incorporates current limiting protection to prevent damage due to excessive current flow.
• Thermal shutdown: It includes a thermal shutdown feature that protects the regulator from overheating.

Package

The LT1117IST-5#TRPBF comes in a small surface-mount package, making it suitable for compact electronic designs.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The LT1117IST-5#TRPBF is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Output voltage: 5 volts
• Dropout voltage: 1.2 volts (maximum)
• Output current: Up to 800 mA
• Line regulation: ±0.2% (typical)
• Load regulation: ±0.4% (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The LT1117IST-5#TRPBF has three pins:

1. Vin (Input): This pin is connected to the input voltage source.
2. Vout (Output): The regulated output voltage of 5 volts is obtained from this pin.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Voltage regulation: The LT1117IST-5#TRPBF maintains a constant output voltage of 5 volts, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting protection, preventing excessive current flow and protecting downstream components.
• Thermal shutdown: The device includes a thermal shutdown feature that activates when the temperature exceeds a certain threshold, ensuring safe operation.

Advantages and Disadvantages

Advantages

• Stable output voltage: The LT1117IST-5#TRPBF provides a reliable and stable 5-volt output, suitable for various electronic applications.
• Low dropout voltage: Its low dropout voltage ensures efficient power conversion, minimizing energy loss.
• Compact package: The small surface-mount package allows for space-saving designs in electronic circuits.

Disadvantages

• Limited output current: The LT1117IST-5#TRPBF has a maximum output current of 800 mA, which may not be sufficient for high-power applications.
• Temperature limitations: The operating temperature range of -40°C to +125°C may restrict its use in extreme temperature environments.

Working Principles

The LT1117IST-5#TRPBF operates based on the principle of linear voltage regulation. It uses a series pass element to drop the excess voltage across it, maintaining a constant output voltage of 5 volts. The internal circuitry ensures stability by compensating for variations in input voltage and load conditions.

Detailed Application Field Plans

The LT1117IST-5#TRPBF finds applications in various electronic systems, including but not limited to: - Power supplies for microcontrollers and digital ICs - Battery-powered devices requiring a stable 5-volt supply - Embedded systems and IoT devices - Audio amplifiers and signal processing circuits - Automotive electronics

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with similar characteristics and pin configuration.
2. LM7805: Another fixed 5-volt voltage regulator commonly used in electronic circuits.
3. LT1084: A high-current, low-dropout voltage regulator suitable for applications requiring higher output currents.

These alternative models offer similar functionality and can be considered as substitutes for the LT1117IST-5#TRPBF depending on specific requirements.

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