STMicroelectronics
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
LD1086V50
Details bekijken DataSheets

LD1086V50

Product Overview

  • Category: Voltage Regulator
  • Use: LD1086V50 is a low-dropout voltage regulator designed to provide a regulated output voltage of 5.0V with a maximum current of 1.5A.
  • Characteristics: It offers low dropout voltage, high accuracy, and excellent line and load regulation. The device is available in a TO-220 package, making it suitable for various applications.
  • Package: TO-220
  • Essence: LD1086V50 is an essential component in electronic circuits that require a stable and regulated power supply.
  • Packaging/Quantity: The LD1086V50 is typically sold in reels or tubes containing a specified quantity.

Specifications

  • Output Voltage: 5.0V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 1.2V (typical)
  • Line Regulation: 0.04% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086V50 has three pins:

  1. Input (VIN): This pin is used to connect the input voltage source.
  2. Output (VOUT): The regulated output voltage of 5.0V is obtained from this pin.
  3. Ground (GND): This pin is connected to the ground reference.

Functional Features

  • Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
  • High accuracy provides a stable output voltage under varying load conditions.
  • Excellent line and load regulation maintain a consistent output voltage regardless of input voltage fluctuations or changes in load current.

Advantages and Disadvantages

Advantages: - Low dropout voltage allows for efficient power conversion. - High accuracy ensures a stable output voltage. - Excellent line and load regulation provide consistent performance.

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power applications. - The TO-220 package may require additional heat dissipation measures in certain scenarios.

Working Principles

The LD1086V50 operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output pins. This mechanism maintains a constant voltage drop across the device, ensuring a stable output voltage.

Detailed Application Field Plans

The LD1086V50 is commonly used in various electronic devices and circuits that require a regulated 5.0V power supply. Some typical application fields include:

  1. Microcontroller-based systems
  2. Embedded systems
  3. Power management circuits
  4. Battery-powered devices
  5. Audio amplifiers

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable voltage regulator with similar characteristics.
  2. LT1086: Another low-dropout voltage regulator offering higher maximum output current.
  3. LM1117: A fixed-output voltage regulator available in various voltage options.

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

Word count: 380 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD1086V50 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LD1086V50 in technical solutions:

  1. Q: What is LD1086V50? A: LD1086V50 is a voltage regulator IC that provides a fixed output voltage of 5V.

  2. Q: What is the input voltage range for LD1086V50? A: The input voltage range for LD1086V50 is typically between 7V and 20V.

  3. Q: Can LD1086V50 handle high current loads? A: Yes, LD1086V50 can handle a maximum output current of 1.5A.

  4. Q: How does LD1086V50 regulate the output voltage? A: LD1086V50 uses a feedback mechanism to maintain a constant output voltage of 5V, regardless of changes in input voltage or load conditions.

  5. Q: Is LD1086V50 suitable for battery-powered applications? A: Yes, LD1086V50 is commonly used in battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: Can LD1086V50 be used in both linear and switching power supply designs? A: LD1086V50 is specifically designed for linear power supply applications and may not be suitable for switching power supply designs.

  7. Q: Does LD1086V50 require any external components for operation? A: Yes, LD1086V50 requires a few external components such as input and output capacitors for stability and filtering.

  8. Q: What is the thermal resistance of LD1086V50? A: The thermal resistance of LD1086V50 is typically around 40°C/W, which determines its ability to dissipate heat.

  9. Q: Can LD1086V50 tolerate overvoltage or reverse polarity conditions? A: No, LD1086V50 is not designed to tolerate overvoltage or reverse polarity conditions. Proper protection circuitry should be implemented.

  10. Q: Are there any recommended application circuits available for LD1086V50? A: Yes, the datasheet of LD1086V50 provides several recommended application circuits that can be used as a reference for different scenarios.

Please note that these answers are general and may vary depending on specific design requirements and application conditions.