LT1117CM-2.85#PBF

Product Overview

Category

The LT1117CM-2.85#PBF 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#PBF ensures a constant output voltage despite fluctuations in input voltage or load conditions.
• Low Dropout Voltage: It operates with a low dropout voltage, allowing it to regulate voltage 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 circuitry to protect against overheating.

Package

The LT1117CM-2.85#PBF comes in a compact surface-mount package, which facilitates easy integration into electronic circuits.

Essence

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

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

• Input Voltage Range: 4.5V to 15V
• Output Voltage: 2.85V
• Output Current: Up to 800mA
• Dropout Voltage: 1.2V (maximum)
• 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#PBF has three pins:

1. Vin (Input): This pin is connected to the input voltage source.
2. Vout (Output): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: The LT1117CM-2.85#PBF maintains a constant output voltage regardless of variations in input voltage or load conditions.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow, ensuring the safety of the circuit and connected devices.
• Thermal Shutdown: The device includes thermal shutdown circuitry that activates when the temperature exceeds a certain threshold, protecting it from overheating.

Advantages and Disadvantages

Advantages

• Stable Output: Provides a stable and regulated output voltage, ensuring reliable operation of electronic devices.
• Low Dropout Voltage: Operates with a low dropout voltage, enabling efficient regulation even when the input voltage is close to the desired output voltage.
• Current Limiting Protection: Protects the circuit and connected devices from damage due to excessive current flow.
• Thermal Shutdown: Prevents overheating and potential damage to the device.

Disadvantages

• Limited Output Current: The LT1117CM-2.85#PBF has a maximum output current of 800mA, which may not be sufficient for high-power applications.
• Restricted 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#PBF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By continuously monitoring and adjusting, it compensates for changes in input voltage and load conditions, providing a stable output.

Detailed Application Field Plans

The LT1117CM-2.85#PBF finds applications in various fields, including:

1. Consumer Electronics: It is used in portable devices, such as smartphones and tablets, to regulate voltage and ensure stable power supply.
2. Industrial Automation: The product is employed in control systems and industrial equipment to provide reliable and regulated power for sensors, actuators, and other components.
3. Automotive Electronics: It is utilized in automotive applications to regulate voltage for various electronic systems, including infotainment, lighting, and engine control units.
4. Telecommunications: The LT1117CM-2.85#PBF is used in telecommunications equipment to maintain a stable power supply for network infrastructure and communication devices.

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with similar characteristics and functionality.
2. LM1117: A fixed voltage regulator series available in various output voltages, offering flexibility in different applications.
3. LDO10V: A low dropout voltage regulator capable of providing a regulated 10V output.

These alternative models offer similar features and can be considered based on specific requirements and compatibility with the application.

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