Semtech Corporation
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STF203-22.TCT
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STF203-22.TCT

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage
Package: TO-220
Essence: Regulates voltage for electronic circuits
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

  • Input Voltage: 4.5V to 18V
  • Output Voltage: 3.3V
  • Maximum Output Current: 2A
  • Dropout Voltage: 0.6V at 1A
  • 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
  • Thermal shutdown protection
  • Short-circuit current limit
  • Fast transient response

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact TO-220 package

Disadvantages: - Limited output current compared to some alternatives - Higher dropout voltage than newer regulator models

Working Principles

The STF203-22.TCT is a linear voltage regulator that maintains a stable output voltage by adjusting the resistance between the input and output pins. It operates by comparing the actual output voltage to a reference voltage and adjusting the resistance to minimize the difference.

Detailed Application Field Plans

The STF203-22.TCT is suitable for various applications requiring a stable 3.3V power supply, such as: - Microcontroller systems - Sensor modules - Portable electronic devices

Detailed and Complete Alternative Models

  1. LM1117-3.3

    • Category: Electronic Component
    • Use: Voltage Regulator
    • Characteristics: Low dropout voltage, SOT-223 package
    • Package: SOT-223
    • Essence: Regulates voltage for electronic circuits
    • Packaging/Quantity: Tape & Reel, 2500 pieces per reel

  2. L78M05CDT

    • Category: Electronic Component
    • Use: Voltage Regulator
    • Characteristics: High current capability, TO-252 package
    • Package: TO-252
    • Essence: Regulates voltage for electronic circuits
    • Packaging/Quantity: Tube, 50 pieces per tube

  3. LM2937ET-3.3/NOPB

    • Category: Electronic Component
    • Use: Voltage Regulator
    • Characteristics: Low dropout voltage, adjustable output
    • Package: TO-220
    • Essence: Regulates voltage for electronic circuits
    • Packaging/Quantity: Rail, 50 pieces per rail

In conclusion, the STF203-22.TCT is a reliable voltage regulator with high efficiency and a wide input voltage range. While it has certain limitations, its compact package and functional features make it suitable for various electronic applications. Additionally, there are alternative models available with different characteristics to suit specific project requirements.

기술 솔루션에 STF203-22.TCT 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is STF203-22.TCT?

    • STF203-22.TCT is a surface mount TVS diode designed to protect sensitive electronics from voltage transients and surges.

  2. What are the key features of STF203-22.TCT?

    • The key features include a low clamping voltage, high surge current capability, and compatibility with automated placement equipment.

  3. What are the typical applications for STF203-22.TCT?

    • Typical applications include protection of USB ports, HDMI interfaces, Ethernet ports, and other sensitive electronic circuits in consumer electronics, industrial equipment, and automotive systems.

  4. What is the maximum working voltage of STF203-22.TCT?

    • The maximum working voltage is 22V.

  5. How does STF203-22.TCT respond to transient voltage spikes?

    • STF203-22.TCT responds quickly to transient voltage spikes by diverting excess current away from the protected circuit, thus safeguarding it from damage.

  6. Is STF203-22.TCT RoHS compliant?

    • Yes, STF203-22.TCT is RoHS compliant, making it suitable for use in environmentally conscious designs.

  7. What is the operating temperature range of STF203-22.TCT?

    • The operating temperature range is typically -55°C to 150°C, ensuring reliable performance in various environmental conditions.

  8. Can STF203-22.TCT be used in high-speed data lines?

    • Yes, STF203-22.TCT is suitable for use in high-speed data lines, offering protection against ESD and other transient events.

  9. Does STF203-22.TCT require any external components for proper operation?

    • No, STF203-22.TCT is a standalone device and does not require any external components for its operation.

  10. Are there any recommended layout considerations for implementing STF203-22.TCT in a PCB design?

    • Yes, it is recommended to minimize the trace length between the protected I/O pin and the STF203-22.TCT device, as well as to ensure a low impedance path to ground for optimal performance.