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SI4490DY-T1-E3
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SI4490DY-T1-E3

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low dropout voltage, high accuracy, low quiescent current
  • Package: SOIC-8
  • Essence: Regulating voltage for various electronic devices
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. GND
  2. VOUT
  3. NC
  4. NC
  5. VIN
  6. NC
  7. BYP
  8. EN

Functional Features

  • Low dropout voltage for extended battery life
  • High accuracy for precise voltage regulation
  • Low quiescent current for minimal power consumption in standby mode

Advantages and Disadvantages

Advantages: - Extended battery life - Precise voltage regulation - Minimal power consumption in standby mode

Disadvantages: - Limited maximum output current

Working Principles

The SI4490DY-T1-E3 regulates the output voltage by comparing a reference voltage with the feedback voltage from the output, adjusting the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

  • Battery-powered devices
  • Portable electronics
  • IoT devices
  • Wearable technology

Detailed and Complete Alternative Models

  1. LM1117MPX-3.3/NOPB
  2. MCP1700T-3302E/MB
  3. MAX8881EUT33+

This completes the English editing encyclopedia entry structure for SI4490DY-T1-E3, providing comprehensive information about its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SI4490DY-T1-E3 dalam solusi teknis

  1. What is the maximum operating temperature of SI4490DY-T1-E3?

    • The maximum operating temperature of SI4490DY-T1-E3 is typically 150°C.

  2. What is the input voltage range for SI4490DY-T1-E3?

    • The input voltage range for SI4490DY-T1-E3 is typically between 4.5V and 30V.

  3. What is the typical output current capability of SI4490DY-T1-E3?

    • The typical output current capability of SI4490DY-T1-E3 is around 6A.

  4. Does SI4490DY-T1-E3 have overcurrent protection?

    • Yes, SI4490DY-T1-E3 features overcurrent protection to safeguard against excessive currents.

  5. What is the typical efficiency of SI4490DY-T1-E3?

    • The typical efficiency of SI4490DY-T1-E3 is around 90% under normal operating conditions.

  6. Is SI4490DY-T1-E3 suitable for automotive applications?

    • Yes, SI4490DY-T1-E3 is designed to meet the requirements for automotive applications.

  7. Does SI4490DY-T1-E3 require external components for operation?

    • SI4490DY-T1-E3 requires minimal external components for operation, making it easy to integrate into technical solutions.

  8. What is the typical switching frequency of SI4490DY-T1-E3?

    • The typical switching frequency of SI4490DY-T1-E3 is in the range of 200kHz to 2MHz.

  9. Can SI4490DY-T1-E3 be used in step-down converter designs?

    • Yes, SI4490DY-T1-E3 is suitable for use in step-down converter designs.

  10. What are the key advantages of using SI4490DY-T1-E3 in technical solutions?

    • Some key advantages of using SI4490DY-T1-E3 include high efficiency, wide input voltage range, compact size, and integrated protection features.