Vishay Semiconductor Diodes Division
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SA51AHE3/73
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SA51AHE3/73

Product Overview

  • Category: Semiconductor
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, compact design
  • Package: TO-263
  • Essence: Regulates voltage to ensure stable power supply
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage: 3.3V
  • Output Current: 5A
  • Dropout Voltage: 0.6V at 5A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Vin (Input Voltage)
  2. GND (Ground)
  3. Vout (Output Voltage)

Functional Features

  • High Efficiency: Minimizes power loss
  • Low Dropout Voltage: Suitable for low input-output voltage differential applications
  • Compact Design: Saves board space and simplifies layout

Advantages

  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal shutdown protection

Disadvantages

  • Higher cost compared to traditional linear regulators
  • Sensitive to load capacitance variations

Working Principles

The SA51AHE3/73 utilizes a feedback control loop to maintain a constant output voltage despite changes in input voltage and load current. It employs a pass transistor to adjust the output voltage based on the feedback signal.

Detailed Application Field Plans

  • Industrial automation
  • Consumer electronics
  • Automotive systems
  • Telecommunications equipment

Detailed and Complete Alternative Models

  1. LM317
  2. LM2940
  3. LT1086

This entry provides comprehensive information about the SA51AHE3/73, including its category, use, characteristics, package details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

تکنیکی حل میں SA51AHE3/73 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is SA51AHE3/73?

    • SA51AHE3/73 is a Schottky diode, commonly used in electronic circuits for its low forward voltage drop and fast switching characteristics.

  2. What are the typical applications of SA51AHE3/73?

    • SA51AHE3/73 is commonly used in voltage clamping, freewheeling, and polarity protection circuits in various technical solutions.

  3. What is the maximum forward voltage of SA51AHE3/73?

    • The maximum forward voltage of SA51AHE3/73 is typically around 0.55V at a forward current of 5A.

  4. What is the reverse voltage rating of SA51AHE3/73?

    • SA51AHE3/73 has a reverse voltage rating of 50V, making it suitable for low to moderate voltage applications.

  5. What is the typical junction capacitance of SA51AHE3/73?

    • The typical junction capacitance of SA51AHE3/73 is around 150pF at a reverse bias of 4V.

  6. What is the maximum forward current of SA51AHE3/73?

    • The maximum forward current of SA51AHE3/73 is rated at 5A, making it suitable for medium power applications.

  7. Can SA51AHE3/73 be used in high-frequency applications?

    • Yes, SA51AHE3/73's fast switching characteristics make it suitable for high-frequency applications such as RF circuits and switch-mode power supplies.

  8. Is SA51AHE3/73 suitable for automotive applications?

    • Yes, SA51AHE3/73 is often used in automotive electronics for its low forward voltage drop and efficient energy conversion.

  9. What is the operating temperature range of SA51AHE3/73?

    • SA51AHE3/73 is typically rated for operation within the temperature range of -65°C to 125°C, making it suitable for a wide range of environments.

  10. Can SA51AHE3/73 be used in battery charging circuits?

    • Yes, SA51AHE3/73 is commonly employed in battery charging circuits due to its low forward voltage drop and high efficiency in energy conversion.