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SI7905DN-T1-E3
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SI7905DN-T1-E3

Product Overview

Category

The SI7905DN-T1-E3 belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.

Characteristics

  • Package: DFN-6 (2x2)
  • Essence: Low dropout voltage regulator
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 1.8V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SI7905DN-T1-E3 has a total of six pins: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. NC (No Connection) 5. VOUT (Output Voltage) 6. GND (Ground)

Functional Features

  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • Wide input voltage range
  • Low dropout voltage
  • Low power consumption

Disadvantages

  • Limited maximum output current
  • Small package size may require careful handling during assembly

Working Principles

The SI7905DN-T1-E3 uses a reference voltage to compare the output voltage with the desired value. It then adjusts the internal circuitry to maintain a constant output voltage, compensating for changes in the input voltage.

Detailed Application Field Plans

This voltage regulator is commonly used in battery-powered devices, portable electronics, and low-power applications where a stable voltage supply is crucial for proper operation.

Detailed and Complete Alternative Models

  • LM2937-1.8
  • MCP1700-1802E

In conclusion, the SI7905DN-T1-E3 is a versatile voltage regulator with a wide input voltage range and low dropout voltage, making it suitable for various low-power electronic applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SI7905DN-T1-E3 у технічних рішеннях

  1. What is the SI7905DN-T1-E3?

    • The SI7905DN-T1-E3 is a low dropout voltage regulator designed to provide a regulated output voltage even when the input voltage is very close to the output voltage.

  2. What is the input voltage range for SI7905DN-T1-E3?

    • The input voltage range for SI7905DN-T1-E3 is typically between 2.5V and 7V.

  3. What is the output voltage of SI7905DN-T1-E3?

    • The output voltage of SI7905DN-T1-E3 is fixed at 5V.

  4. What is the maximum output current of SI7905DN-T1-E3?

    • The maximum output current of SI7905DN-T1-E3 is typically around 1A.

  5. What are the typical applications of SI7905DN-T1-E3?

    • SI7905DN-T1-E3 is commonly used in battery-powered systems, portable devices, and other applications where a stable 5V supply is required.

  6. What are the key features of SI7905DN-T1-E3?

    • Some key features of SI7905DN-T1-E3 include low dropout voltage, thermal shutdown protection, and overcurrent protection.

  7. What is the thermal resistance of SI7905DN-T1-E3?

    • The thermal resistance of SI7905DN-T1-E3 is typically around 50°C/W.

  8. Can SI7905DN-T1-E3 be used in automotive applications?

    • Yes, SI7905DN-T1-E3 is suitable for use in automotive applications, provided it meets the specific requirements and standards for automotive electronics.

  9. Does SI7905DN-T1-E3 require external components for operation?

    • Yes, SI7905DN-T1-E3 typically requires input and output capacitors for stable operation.

  10. Is there a recommended PCB layout for using SI7905DN-T1-E3?

    • Yes, the datasheet for SI7905DN-T1-E3 provides a recommended PCB layout to ensure proper performance and stability.