LT1117CM-2.85#TRPBF

Product Overview

Category

LT1117CM-2.85#TRPBF belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Regulation: The LT1117CM-2.85#TRPBF ensures a constant output voltage regardless of input variations.
• Low Dropout Voltage: It operates with a low dropout voltage, allowing it to regulate even when the input voltage is close to the desired output voltage.
• Current Limiting: The device incorporates current limiting protection to prevent damage due to excessive current flow.
• Thermal Shutdown: It includes thermal shutdown protection to safeguard against overheating.

Package

The LT1117CM-2.85#TRPBF comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of LT1117CM-2.85#TRPBF lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically available in reels or tubes, with varying quantities depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 15V
• Output Voltage: 2.85V
• Output Current: Up to 800mA
• Dropout Voltage: 0.45V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1117CM-2.85#TRPBF has three pins:

1. Vin (Input): This pin receives the input voltage that needs to be regulated.
2. Vout (Output): The regulated output voltage is provided through this pin.
3. GND (Ground): This pin is connected to the ground reference of the circuit.

Functional Features

• Voltage Regulation: The LT1117CM-2.85#TRPBF maintains a constant output voltage, compensating for input voltage variations.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow and protect the device.
• Thermal Shutdown: The device includes thermal shutdown protection, which disables the regulator if it exceeds the safe operating temperature range.

Advantages and Disadvantages

Advantages

• Stable Output: Provides a stable and regulated output voltage.
• Low Dropout Voltage: Operates with a low dropout voltage, ensuring efficient regulation even with small input-output voltage differentials.
• Compact Size: Comes in a compact surface-mount package, suitable for space-constrained applications.
• Current and Thermal Protection: Incorporates current limiting and thermal shutdown features for enhanced safety.

Disadvantages

• Limited Output Current: The maximum output current is limited to 800mA, which may not be sufficient for high-power applications.
• Narrow Input Voltage Range: The input voltage range is limited to 4.5V to 15V, which may not be suitable for all applications.

Working Principles

The LT1117CM-2.85#TRPBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The LT1117CM-2.85#TRPBF finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-2.85: A similar voltage regulator with comparable specifications.
2. LT1084: A higher current variant suitable for applications requiring higher output currents.
3. LM317: A versatile adjustable voltage regulator that can be configured for various output voltages.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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