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REF3140AQDBZRQ1
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REF3140AQDBZRQ1

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Low dropout, high accuracy
Package: TO-220
Essence: Regulates voltage with minimal dropout
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.25V to 16V
  • Dropout Voltage: 300mV at 1A
  • Output Current: 1A
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage
  • High accuracy over line and load variations
  • Thermal shutdown protection
  • Short-circuit current limit

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Excellent line and load regulation
  • Thermal shutdown protection

Disadvantages

  • Limited output current compared to some alternatives
  • Higher quiescent current than some low-power regulators

Working Principles

REF3140AQDBZRQ1 is a voltage regulator that maintains a stable output voltage even when the input voltage fluctuates. It achieves this by using a feedback mechanism to adjust its internal circuitry, ensuring a consistent output.

Detailed Application Field Plans

This voltage regulator is suitable for various applications requiring a stable and accurate voltage supply, such as battery-powered devices, instrumentation, and industrial control systems.

Detailed and Complete Alternative Models

  • LM1117
  • LT1086
  • L78xx series

In conclusion, REF3140AQDBZRQ1 is a versatile voltage regulator with excellent performance characteristics, making it suitable for a wide range of applications.

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  1. What is REF3140AQDBZRQ1?

    • REF3140AQDBZRQ1 is a precision voltage reference with low temperature coefficient and high accuracy, commonly used in technical solutions requiring stable voltage references.

  2. What is the typical output voltage of REF3140AQDBZRQ1?

    • The typical output voltage of REF3140AQDBZRQ1 is 4.096V.

  3. What is the temperature coefficient of REF3140AQDBZRQ1?

    • The temperature coefficient of REF3140AQDBZRQ1 is typically 10ppm/°C.

  4. What are the typical applications of REF3140AQDBZRQ1?

    • REF3140AQDBZRQ1 is commonly used in precision instrumentation, data acquisition systems, and industrial control systems.

  5. What is the operating temperature range of REF3140AQDBZRQ1?

    • The operating temperature range of REF3140AQDBZRQ1 is typically -40°C to 125°C.

  6. Does REF3140AQDBZRQ1 require an external capacitor for stability?

    • Yes, REF3140AQDBZRQ1 requires an external capacitor for stability, typically in the range of 0.1μF to 10μF.

  7. Is REF3140AQDBZRQ1 available in a surface-mount package?

    • Yes, REF3140AQDBZRQ1 is available in a small outline SOT-23 package for surface-mount applications.

  8. What is the supply voltage range for REF3140AQDBZRQ1?

    • The supply voltage range for REF3140AQDBZRQ1 is typically 4.5V to 15V.

  9. Can REF3140AQDBZRQ1 be used in battery-powered applications?

    • Yes, REF3140AQDBZRQ1 can be used in battery-powered applications due to its low power consumption.

  10. Is REF3140AQDBZRQ1 RoHS compliant?

    • Yes, REF3140AQDBZRQ1 is RoHS compliant, making it suitable for use in environmentally sensitive applications.