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REF2940AIDBZR
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REF2940AIDBZR

Product Overview

Category: Voltage Regulator
Use: Provides a stable output voltage for various electronic applications
Characteristics: Low dropout, high accuracy, low quiescent current
Package: SOIC-8
Essence: Ensures consistent and reliable power supply
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 5V to 26V
  • Output Voltage: 3.3V
  • Output Current: 1A
  • Dropout Voltage: 300mV
  • Quiescent Current: 10µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. NC (No Connection)
  4. VOUT (Output Voltage)
  5. NC (No Connection)
  6. NC (No Connection)
  7. NC (No Connection)
  8. EN (Enable)

Functional Features

  • Low dropout voltage for efficient operation
  • High accuracy over the entire load and temperature range
  • Low quiescent current for improved efficiency
  • Thermal shutdown and current limit protection

Advantages

  • Wide input voltage range allows for versatile applications
  • Stable output voltage under varying load conditions
  • Low dropout voltage minimizes power dissipation
  • Compact SOIC-8 package for space-constrained designs

Disadvantages

  • Limited output current compared to higher-rated regulators
  • May require additional components for specific applications

Working Principles

The REF2940AIDBZR is a voltage regulator that maintains a constant output voltage despite fluctuations in the input voltage or load. It achieves this by utilizing a feedback control loop to adjust the internal pass transistor, ensuring the output voltage remains within specified limits.

Detailed Application Field Plans

  • Battery-powered devices
  • Embedded systems
  • Industrial automation
  • Consumer electronics
  • Automotive applications

Detailed and Complete Alternative Models

  • LM2937
  • LT1763
  • MCP1702

This completes the entry for REF2940AIDBZR, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

技術ソリューションにおける REF2940AIDBZR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the REF2940AIDBZR?

    • The REF2940AIDBZR is a precision voltage reference with a 4.096V output voltage.

  2. What are the typical applications of REF2940AIDBZR?

    • It is commonly used in industrial and automotive applications, as well as in data acquisition systems and test equipment.

  3. What is the operating temperature range of REF2940AIDBZR?

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

  4. How accurate is the REF2940AIDBZR?

    • It has a typical initial accuracy of 0.1%.

  5. Can REF2940AIDBZR be used in battery-powered applications?

    • Yes, it can be used in battery-powered applications due to its low quiescent current.

  6. What is the output voltage tolerance of REF2940AIDBZR?

    • The output voltage tolerance is typically ±0.2%.

  7. Is REF2940AIDBZR suitable for precision measurement applications?

    • Yes, it is suitable for precision measurement applications due to its low temperature coefficient and high accuracy.

  8. Does REF2940AIDBZR require an external capacitor?

    • Yes, it requires an external capacitor for stability and noise reduction.

  9. Can REF2940AIDBZR withstand high transient voltages?

    • Yes, it has built-in protection against high transient voltages.

  10. Is REF2940AIDBZR available in a small package?

    • Yes, it is available in a small SOT-23 package, making it suitable for space-constrained applications.