STMicroelectronics
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LD1086D2M18TR
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LD1086D2M18TR

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Fixed Output Voltage
  • Package: TO-252 (DPAK)
  • Essence: LD1086D2M18TR is a voltage regulator integrated circuit designed to provide a fixed output voltage with low dropout characteristics.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 20V
  • Output Voltage: 1.8V
  • Output Current: Up to 1.5A
  • Dropout Voltage: 1.3V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086D2M18TR has three pins:

  1. Input Pin (IN): This pin is used to connect the input voltage source.
  2. Output Pin (OUT): The regulated output voltage is obtained from this pin.
  3. Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

  • Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
  • Fixed output voltage eliminates the need for external resistors or adjustments.
  • Excellent line and load regulation ensures stable output voltage under varying conditions.
  • Overcurrent and thermal protection mechanisms safeguard the IC from damage.

Advantages

  • Compact TO-252 package provides easy integration into various electronic circuits.
  • Wide input voltage range allows for versatile applications.
  • High output current capability enables powering of multiple components.
  • Low dropout voltage minimizes power dissipation and improves efficiency.

Disadvantages

  • Fixed output voltage limits flexibility in certain applications that require adjustable voltages.
  • Limited output current may not be suitable for high-power devices or systems.

Working Principles

The LD1086D2M18TR is a linear voltage regulator that operates by comparing the reference voltage with the feedback voltage. It adjusts the pass transistor to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The LD1086D2M18TR is commonly used in various electronic devices and systems, including:

  1. Battery-powered devices: Provides stable voltage regulation for portable electronics.
  2. Automotive applications: Ensures reliable power supply for automotive electronics.
  3. Industrial control systems: Used in automation and control circuits.
  4. Communication equipment: Regulates voltage in networking devices and communication systems.

Detailed and Complete Alternative Models

  1. LM1117-1.8: Similar fixed voltage regulator with low dropout characteristics.
  2. LT1086CT-1.8: Adjustable voltage regulator with low dropout and higher output current capability.
  3. TPS79618: Fixed voltage regulator with ultra-low dropout and enhanced line/load regulation.

These alternative models offer similar functionality and can be considered as substitutes for LD1086D2M18TR in specific applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD1086D2M18TR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LD1086D2M18TR in technical solutions:

  1. Q: What is LD1086D2M18TR? A: LD1086D2M18TR is a voltage regulator IC that provides a fixed output voltage for various electronic applications.

  2. Q: What is the input voltage range supported by LD1086D2M18TR? A: The input voltage range supported by LD1086D2M18TR is typically between 4.5V and 20V.

  3. Q: What is the output voltage provided by LD1086D2M18TR? A: LD1086D2M18TR provides a fixed output voltage of 1.8V.

  4. Q: What is the maximum output current LD1086D2M18TR can handle? A: LD1086D2M18TR can handle a maximum output current of 1.5A.

  5. Q: Is LD1086D2M18TR suitable for low-power applications? A: No, LD1086D2M18TR is not suitable for low-power applications as it is designed to handle higher currents.

  6. Q: Does LD1086D2M18TR require any external components for operation? A: Yes, LD1086D2M18TR requires an input capacitor and an output capacitor for stable operation.

  7. Q: Can LD1086D2M18TR be used in automotive applications? A: Yes, LD1086D2M18TR is suitable for automotive applications as it can handle the required voltage and current levels.

  8. Q: What is the thermal resistance of LD1086D2M18TR? A: The thermal resistance of LD1086D2M18TR is typically around 40°C/W.

  9. Q: Can LD1086D2M18TR operate in a wide temperature range? A: Yes, LD1086D2M18TR can operate in a wide temperature range, typically between -40°C and 125°C.

  10. Q: Is LD1086D2M18TR available in different package options? A: Yes, LD1086D2M18TR is available in various package options, including TO-252 and D2PAK.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for LD1086D2M18TR.