Exar Corporation
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SP211EEA-L/TR
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SP211EEA-L/TR

Product Overview

  • Category: Electronic Component
  • Use: Voltage Regulator
  • Characteristics: Low dropout, high current capability
  • Package: SOT-223
  • Essence: Linear regulator
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 200mV at 1A
  • Maximum Output Current: 1.5A
  • Line Regulation: ±0.05%
  • Load Regulation: ±0.1%
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SP211EEA-L/TR has a total of 5 pins:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. BYP (Bypass Capacitor)
  5. EN (Enable)

Functional Features

  • Low dropout voltage ensures efficient power conversion.
  • High current capability allows for powering various electronic devices.
  • Excellent line and load regulation for stable output voltage.
  • Wide input voltage range provides flexibility in different applications.
  • Thermal shutdown and current limit protection for enhanced reliability.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power dissipation. - High current capability suits power-hungry devices. - Excellent regulation ensures stable output voltage. - Wide input voltage range accommodates diverse applications. - Thermal shutdown and current limit protection enhance reliability.

Disadvantages: - Limited maximum output current compared to some alternatives. - Requires an external bypass capacitor for optimal performance.

Working Principles

The SP211EEA-L/TR is a linear voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage and load conditions. It achieves this by using a pass transistor to regulate the voltage drop across it, ensuring a stable output voltage. The regulator also includes protection features such as thermal shutdown and current limit to safeguard against excessive heat and current.

Detailed Application Field Plans

The SP211EEA-L/TR is widely used in various electronic applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

  1. SP111EEA-L/TR: Similar specifications, lower maximum output current (1A).
  2. SP311EEA-L/TR: Similar specifications, higher maximum output current (2A).
  3. SP411EEA-L/TR: Similar specifications, adjustable output voltage.

These alternative models provide options with varying output currents and adjustability to suit different application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SP211EEA-L/TR у технічних рішеннях

  1. What is the operating voltage range of SP211EEA-L/TR?
    - The operating voltage range of SP211EEA-L/TR is typically 3V to 5.5V.

  2. What is the maximum data rate supported by SP211EEA-L/TR?
    - SP211EEA-L/TR supports a maximum data rate of 250kbps.

  3. Can SP211EEA-L/TR be used in industrial applications?
    - Yes, SP211EEA-L/TR is suitable for use in industrial applications due to its robust design and ESD protection.

  4. What is the typical quiescent current consumption of SP211EEA-L/TR?
    - The typical quiescent current consumption of SP211EEA-L/TR is 300µA.

  5. Does SP211EEA-L/TR support half-duplex communication?
    - Yes, SP211EEA-L/TR supports half-duplex communication.

  6. Is SP211EEA-L/TR compatible with RS-485 and RS-422 standards?
    - Yes, SP211EEA-L/TR is fully compatible with both RS-485 and RS-422 standards.

  7. What is the temperature range within which SP211EEA-L/TR can operate?
    - SP211EEA-L/TR can operate within a temperature range of -40°C to 85°C.

  8. Can SP211EEA-L/TR be used in automotive applications?
    - Yes, SP211EEA-L/TR is suitable for use in automotive applications due to its wide operating voltage range and ESD protection.

  9. What is the maximum number of nodes that can be connected on the bus when using SP211EEA-L/TR?
    - SP211EEA-L/TR supports up to 256 nodes on the bus.

  10. Does SP211EEA-L/TR have built-in thermal shutdown protection?
    - Yes, SP211EEA-L/TR features built-in thermal shutdown protection to prevent overheating.