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LD1085D2T25R
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LD1085D2T25R

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, 2.5V Output
  • Package: TO-220, D2PAK
  • Essence: LD1085D2T25R is a voltage regulator integrated circuit that provides a stable output voltage of 2.5V with low dropout characteristics.
  • Packaging/Quantity: Available in tape and reel packaging, with 1000 units per reel.

Specifications

  • Input Voltage: 3.3V to 30V
  • Output Voltage: 2.5V
  • Output Current: Up to 3A
  • Dropout Voltage: 1.2V (typical)
  • Line Regulation: 0.015% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1085D2T25R has three pins:

  1. VIN (Pin 1): Input voltage pin.
  2. GND (Pin 2): Ground reference pin.
  3. VOUT (Pin 3): Output voltage pin.

Functional Features

  • Low dropout voltage: The LD1085D2T25R can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.
  • High output current capability: With a maximum output current of 3A, it can power a wide range of electronic devices.
  • Excellent line and load regulation: Ensures a stable output voltage under varying input voltage and load conditions.
  • Thermal shutdown protection: The device automatically shuts down if the temperature exceeds the safe operating limit, preventing damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for versatile applications. - Excellent line and load regulation provides a stable output voltage. - Thermal shutdown protection prevents overheating.

Disadvantages: - Limited to fixed output voltage of 2.5V, not adjustable. - Requires external capacitors for stability.

Working Principles

The LD1085D2T25R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The LD1085D2T25R finds applications in various fields, including:

  1. Power Supplies: It can be used as a voltage regulator in power supply circuits for electronic devices.
  2. Embedded Systems: Suitable for providing a stable voltage to microcontrollers, sensors, and other components in embedded systems.
  3. Automotive Electronics: Used in automotive applications such as dashboard displays, infotainment systems, and lighting control circuits.
  4. Industrial Control Systems: Provides regulated voltage for PLCs (Programmable Logic Controllers), motor control circuits, and industrial automation equipment.

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with a wide input voltage range.
  2. LT1085: Fixed voltage regulator with higher output current capability.
  3. LM1117: Low dropout voltage regulator available in various fixed output voltages.

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

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LD1085D2T25R en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LD1085D2T25R in technical solutions:

  1. Q: What is LD1085D2T25R? A: LD1085D2T25R is a voltage regulator IC that provides a fixed output voltage of 2.5V.

  2. Q: What is the maximum input voltage for LD1085D2T25R? A: The maximum input voltage for LD1085D2T25R is 30V.

  3. Q: What is the maximum output current of LD1085D2T25R? A: The maximum output current of LD1085D2T25R is 3A.

  4. Q: Can LD1085D2T25R be used as a step-down converter? A: Yes, LD1085D2T25R can be used as a step-down converter to regulate the voltage from a higher input voltage to a fixed 2.5V output.

  5. Q: Does LD1085D2T25R require any external components for operation? A: Yes, LD1085D2T25R requires input and output capacitors for stability and proper operation.

  6. Q: What is the dropout voltage of LD1085D2T25R? A: The dropout voltage of LD1085D2T25R is typically around 1.5V.

  7. Q: Can LD1085D2T25R handle short-circuit conditions? A: Yes, LD1085D2T25R has built-in protection features to handle short-circuit conditions.

  8. Q: Is LD1085D2T25R suitable for battery-powered applications? A: Yes, LD1085D2T25R is suitable for battery-powered applications as it can efficiently regulate the voltage and extend battery life.

  9. Q: Can LD1085D2T25R be used in automotive applications? A: Yes, LD1085D2T25R can be used in automotive applications as it can handle the required voltage and current levels.

  10. Q: Are there any thermal considerations for LD1085D2T25R? A: Yes, LD1085D2T25R requires proper heat sinking or a thermal shutdown mechanism to prevent overheating during operation.

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