STMicroelectronics
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KD1084D2T25R
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KD1084D2T25R

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • High precision
    • Low dropout voltage
    • Adjustable output voltage
  • Package: TO-252-3 (DPAK)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 1.25V to 20V
  • Dropout Voltage: 1.3V (typical)
  • Output Current: Up to 3A
  • Line Regulation: 0.015% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The KD1084D2T25R has three pins:

  1. Vin (Pin 1): Input voltage pin
  2. Vout (Pin 2): Output voltage pin
  3. GND (Pin 3): Ground pin

Functional Features

  • High precision voltage regulation
  • Low dropout voltage for efficient operation
  • Adjustable output voltage for flexibility
  • Overcurrent and thermal protection
  • Fast transient response

Advantages

  • High accuracy in regulating voltage
  • Low dropout voltage minimizes power dissipation
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage suits various requirements
  • Robust overcurrent and thermal protection ensures device safety
  • Fast transient response enables stable performance

Disadvantages

  • Relatively higher cost compared to other voltage regulators
  • Requires external components for proper operation
  • Limited maximum output current compared to some alternatives

Working Principles

The KD1084D2T25R 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 stable output voltage.

Detailed Application Field Plans

The KD1084D2T25R finds applications in various fields, including:

  1. Power supplies for industrial equipment
  2. Automotive electronics
  3. Telecommunications systems
  4. Consumer electronics
  5. Medical devices

Detailed and Complete Alternative Models

  1. LM317: Adjustable positive voltage regulator
  2. LT1084: Low dropout positive voltage regulator
  3. LM1117: Low dropout fixed voltage regulator
  4. LM7805: Fixed 5V voltage regulator
  5. LM2940: Low dropout adjustable voltage regulator

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van KD1084D2T25R in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of KD1084D2T25R in technical solutions:

  1. Q: What is KD1084D2T25R? A: KD1084D2T25R is a voltage regulator IC that provides a fixed output voltage of 2.5V.

  2. Q: What is the input voltage range for KD1084D2T25R? A: The input voltage range for KD1084D2T25R is typically between 3.6V and 30V.

  3. Q: What is the maximum output current of KD1084D2T25R? A: The maximum output current of KD1084D2T25R is 5A.

  4. Q: Can KD1084D2T25R be used in automotive applications? A: Yes, KD1084D2T25R is suitable for automotive applications as it can handle a wide input voltage range.

  5. Q: Does KD1084D2T25R require any external components for operation? A: Yes, KD1084D2T25R requires input and output capacitors for stability and filtering.

  6. Q: What is the dropout voltage of KD1084D2T25R? A: The dropout voltage of KD1084D2T25R is typically around 1.2V at full load.

  7. Q: Can KD1084D2T25R operate in a continuous mode? A: Yes, KD1084D2T25R can operate in both continuous and discontinuous modes depending on the load conditions.

  8. Q: Is KD1084D2T25R protected against overcurrent and overtemperature conditions? A: Yes, KD1084D2T25R has built-in protection features to safeguard against overcurrent and overtemperature conditions.

  9. Q: Can KD1084D2T25R be used in low-power applications? A: Yes, KD1084D2T25R can be used in low-power applications as it provides a fixed output voltage of 2.5V.

  10. Q: What is the typical efficiency of KD1084D2T25R? A: The typical efficiency of KD1084D2T25R is around 85-90% depending on the input and output voltage differentials.

Please note that the answers provided here are general and may vary based on specific datasheet specifications and application requirements.