STMicroelectronics
Das Bild kann eine Darstellung sein.
Siehe Spezifikationen für Produktdetails.
VN800PSTR-E
Im Detail sehen Datenblätter

VN800PSTR-E

Product Overview

Category: Electronic Component
Use: Power Supply
Characteristics: High Efficiency, Compact Size
Package: TO-220
Essence: Voltage Regulator
Packaging/Quantity: 100 pieces per pack

Specifications

  • Input Voltage: 4.5V - 40V
  • Output Voltage: 1.25V - 37V
  • Output Current: 3A
  • Dropout Voltage: 1.5V
  • Operating Temperature: -40°C to +125°C

Detailed Pin Configuration

The VN800PSTR-E has a TO-220 package with three pins:

  1. Input Pin (VIN): Connects to the input voltage source.
  2. Output Pin (VOUT): Provides the regulated output voltage.
  3. Ground Pin (GND): Connected to the ground reference.

Functional Features

  • High efficiency power conversion.
  • Wide input voltage range for versatile applications.
  • Low dropout voltage ensures stable output even with low input voltage.
  • Overcurrent and thermal protection for safe operation.
  • Adjustable output voltage using external resistors.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Compact size allows for easy integration into various electronic devices. - Wide input voltage range provides flexibility in different applications. - Overcurrent and thermal protection ensure device safety.

Disadvantages: - Limited output current of 3A may not be suitable for high-power applications. - Dropout voltage of 1.5V may result in higher power dissipation.

Working Principles

The VN800PSTR-E is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in the input voltage. The regulator operates by comparing the output voltage with a reference voltage and adjusting the internal components to maintain the desired output voltage.

Detailed Application Field Plans

The VN800PSTR-E is commonly used in various electronic devices and applications, including:

  1. Consumer Electronics: Powering audio/video equipment, gaming consoles, and home appliances.
  2. Automotive: Regulating voltage for automotive electronics, such as infotainment systems and lighting controls.
  3. Industrial Equipment: Providing stable power supply for industrial automation systems and control panels.
  4. Telecommunications: Powering communication devices, routers, and network equipment.
  5. Renewable Energy: Regulating voltage in solar power systems and wind turbines.

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with similar specifications.
  2. L7805CV: Fixed 5V voltage regulator suitable for low-power applications.
  3. LT1084: High-current adjustable voltage regulator for demanding applications.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

Word count: 346 words

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von VN800PSTR-E in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of VN800PSTR-E in technical solutions:

  1. Q: What is the VN800PSTR-E? A: The VN800PSTR-E is a high-side driver designed for automotive applications, capable of driving resistive, capacitive, and inductive loads.

  2. Q: What is the maximum load current that the VN800PSTR-E can handle? A: The VN800PSTR-E can handle a maximum load current of 0.8A.

  3. Q: Can the VN800PSTR-E be used with both 12V and 24V systems? A: Yes, the VN800PSTR-E is compatible with both 12V and 24V systems.

  4. Q: Is the VN800PSTR-E protected against over-temperature conditions? A: Yes, the VN800PSTR-E has built-in thermal shutdown protection to prevent damage due to excessive temperature.

  5. Q: Can the VN800PSTR-E be used in PWM (Pulse Width Modulation) applications? A: Yes, the VN800PSTR-E supports PWM operation, making it suitable for various applications requiring precise control.

  6. Q: Does the VN800PSTR-E have short-circuit protection? A: Yes, the VN800PSTR-E features short-circuit protection, which helps prevent damage to the device and the load.

  7. Q: Can the VN800PSTR-E be used in automotive lighting applications? A: Yes, the VN800PSTR-E is commonly used in automotive lighting applications, such as driving LED headlights or taillights.

  8. Q: What is the input voltage range for the VN800PSTR-E? A: The VN800PSTR-E has an input voltage range of 4.5V to 36V, making it suitable for a wide range of automotive applications.

  9. Q: Does the VN800PSTR-E require external components for operation? A: Yes, the VN800PSTR-E requires external components such as resistors and capacitors for proper operation.

  10. Q: Is the VN800PSTR-E compatible with microcontrollers and other digital control systems? A: Yes, the VN800PSTR-E can be easily controlled by microcontrollers or other digital control systems using its input pins.

Please note that these answers are general and may vary depending on the specific application and requirements.