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.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SA51AHE3/73 in technische oplossingen

  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.