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LT1117CM-5#TRPBF
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LT1117CM-5#TRPBF

Product Overview

Category

The LT1117CM-5#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-5#TRPBF ensures a constant output voltage regardless of input voltage fluctuations.
  • Low dropout voltage: It operates with a low dropout voltage, allowing it to work efficiently even when the input voltage is close to the desired output voltage.
  • Current limiting: The device incorporates current limiting features to protect the circuit from excessive current flow.
  • Thermal shutdown: It includes thermal shutdown protection to prevent overheating and damage to the regulator.

Package

The LT1117CM-5#TRPBF comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of the LT1117CM-5#TRPBF lies in its ability to regulate voltage effectively, ensuring stable and reliable power supply for electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of regulators per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage: 5V
  • Maximum Output Current: 800mA
  • Dropout Voltage: 1.2V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1117CM-5#TRPBF has three pins:

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

Functional Features

  • Voltage Regulation: The LT1117CM-5#TRPBF maintains a constant 5V output voltage, regardless of input voltage variations.
  • Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow.
  • Thermal Shutdown: The device includes thermal shutdown protection, which shuts down the regulator in case of excessive temperature.

Advantages and Disadvantages

Advantages

  • Stable Output: Provides a stable 5V output voltage, ensuring reliable operation of electronic circuits.
  • Low Dropout Voltage: Works efficiently even with small voltage differences between input and output.
  • Compact Size: The surface-mount package allows for space-saving integration into electronic devices.

Disadvantages

  • Limited Maximum Output Current: The LT1117CM-5#TRPBF can supply a maximum of 800mA, which may not be sufficient for high-power applications.
  • Heat Dissipation: Due to its small size, it may require additional heat sinking measures to dissipate excess heat.

Working Principles

The LT1117CM-5#TRPBF operates based on the principle of linear voltage regulation. It uses a pass transistor and feedback mechanism to maintain a constant output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to regulate the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the pass transistor accordingly to maintain the desired voltage level.

Detailed Application Field Plans

The LT1117CM-5#TRPBF finds applications in various electronic systems, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring a stable voltage source - Automotive electronics - Industrial control systems - Audio amplifiers and signal processing circuits

Detailed and Complete Alternative Models

  • LM1117: A popular alternative with similar specifications and pin configuration.
  • LT1084: Offers higher output current capability but with a larger package size.
  • LM317: A versatile voltage regulator with adjustable output voltage.

These alternative models provide similar functionality and can be used as substitutes for the LT1117CM-5#TRPBF in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1117CM-5#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1117CM-5#TRPBF:

  1. Q: What is the LT1117CM-5#TRPBF? A: The LT1117CM-5#TRPBF is a low dropout voltage regulator designed to provide a fixed 5V output voltage.

  2. Q: What is the maximum input voltage for the LT1117CM-5#TRPBF? A: The maximum input voltage for the LT1117CM-5#TRPBF is 15V.

  3. Q: What is the dropout voltage of the LT1117CM-5#TRPBF? A: The dropout voltage of the LT1117CM-5#TRPBF is typically around 1.2V at 800mA load current.

  4. Q: Can the LT1117CM-5#TRPBF be used to regulate voltages other than 5V? A: Yes, the LT1117CM-5#TRPBF can be used to regulate other voltages by using external resistors to set the desired output voltage.

  5. Q: What is the maximum output current of the LT1117CM-5#TRPBF? A: The LT1117CM-5#TRPBF can provide a maximum output current of 800mA.

  6. Q: Is the LT1117CM-5#TRPBF suitable for battery-powered applications? A: Yes, the LT1117CM-5#TRPBF is suitable for battery-powered applications as it has a low quiescent current and low dropout voltage.

  7. Q: Does the LT1117CM-5#TRPBF require any external capacitors for stability? A: Yes, the LT1117CM-5#TRPBF requires an input and output capacitor for stability. Refer to the datasheet for recommended values.

  8. Q: Can the LT1117CM-5#TRPBF handle high temperatures? A: The LT1117CM-5#TRPBF has a maximum junction temperature of 125°C, making it suitable for many high-temperature applications.

  9. Q: Is the LT1117CM-5#TRPBF short-circuit protected? A: Yes, the LT1117CM-5#TRPBF is internally current-limited and short-circuit protected.

  10. Q: What package does the LT1117CM-5#TRPBF come in? A: The LT1117CM-5#TRPBF comes in a TO-263-3 (D2PAK) package.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with an expert for detailed information.