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SZESD7951ST5G
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SZESD7951ST5G

Product Overview

  • Category: Voltage Regulator
  • Use: Regulating voltage in electronic circuits
  • Characteristics: High efficiency, low dropout voltage, small package size
  • Package: SOT-23-5
  • Essence: Provides stable output voltage for various electronic devices
  • Packaging/Quantity: Available in reels of 3000 units

Specifications

  • Input Voltage Range: 2.7V to 40V
  • Output Voltage Range: 1.2V to 37V
  • Maximum Output Current: 1A
  • Dropout Voltage: 340mV at 1A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. GND
  2. VOUT
  3. NC
  4. FB
  5. VIN

Functional Features

  • High Efficiency: Minimizes power loss and heat generation
  • Low Dropout Voltage: Suitable for low input voltage applications
  • Short Circuit Protection: Safeguards the regulator and connected components
  • Thermal Shutdown: Prevents overheating under high load conditions

Advantages and Disadvantages

Advantages

  • Compact package size
  • Wide input voltage range
  • Low quiescent current

Disadvantages

  • Limited maximum output current
  • Higher dropout voltage compared to some alternatives

Working Principles

The SZESD7951ST5G operates by comparing the output voltage with a reference voltage and adjusting the pass transistor to maintain a stable output. It utilizes feedback control to regulate the output voltage despite variations in input voltage and load.

Detailed Application Field Plans

  • Battery-Powered Devices: Provides stable voltage for portable electronics
  • Embedded Systems: Ensures consistent power supply for microcontrollers and sensors
  • Automotive Electronics: Regulates voltage for various vehicle systems

Detailed and Complete Alternative Models

  • LM1117: Similar voltage regulator with lower dropout voltage
  • XC6206: Ultra-low quiescent current regulator for battery-powered applications
  • LM2940: Higher current capacity voltage regulator for power-hungry devices

Note: The above information is based on the latest available data and may be subject to change.

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10个与SZESD7951ST5G在技术解决方案中的应用相关的常见问题及解答

  1. What is the SZESD7951ST5G?

    • The SZESD7951ST5G is a low capacitance, unidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient events.

  2. What is the maximum working voltage of the SZESD7951ST5G?

    • The maximum working voltage of the SZESD7951ST5G is 5.5V.

  3. What is the typical capacitance of the SZESD7951ST5G?

    • The typical capacitance of the SZESD7951ST5G is 0.6pF.

  4. What are the typical applications for the SZESD7951ST5G?

    • The SZESD7951ST5G is commonly used in applications such as smartphones, tablets, portable electronics, and other devices requiring protection from ESD and transient voltage events.

  5. What is the clamping voltage of the SZESD7951ST5G?

    • The clamping voltage of the SZESD7951ST5G is typically 9.2V at 5A.

  6. What is the operating temperature range of the SZESD7951ST5G?

    • The operating temperature range of the SZESD7951ST5G is -55°C to 150°C.

  7. How does the SZESD7951ST5G protect electronic circuits?

    • The SZESD7951ST5G diverts transient currents away from sensitive components, preventing damage from ESD and other voltage spikes.

  8. Can the SZESD7951ST5G be used in high-speed data lines?

    • Yes, the SZESD7951ST5G is suitable for protecting high-speed data lines such as USB, HDMI, and Ethernet interfaces.

  9. Is the SZESD7951ST5G RoHS compliant?

    • Yes, the SZESD7951ST5G is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are the package options available for the SZESD7951ST5G?

    • The SZESD7951ST5G is available in a small SOD-923 package, making it suitable for compact and space-constrained designs.