STMicroelectronics
Изображение может быть репрезентативным.
Подробную информацию о продукте см. в характеристиках.
VIPER12ASTR-E
Посмотреть детали Таблицы данных

VIPER12ASTR-E

Product Overview

  • Category: Power Management IC
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low standby power consumption
  • Package: SO-8
  • Essence: Integrated Switching Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 3.3V to 38V
  • Output Current: Up to 100mA
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

  1. GND: Ground
  2. VCC: Supply Voltage
  3. FB: Feedback Pin
  4. CS: Current Sense Pin
  5. DRAIN: Switching Transistor Drain
  6. VCC: Supply Voltage
  7. COMP: Compensation Pin
  8. SYNC: Synchronization Pin

Functional Features

  • Integrated high voltage startup
  • Overvoltage protection
  • Overcurrent protection
  • Thermal shutdown
  • Soft-start function
  • Frequency jittering for EMI reduction

Advantages

  • High efficiency conversion
  • Low standby power consumption
  • Wide input and output voltage range
  • Compact SO-8 package
  • Built-in protection features

Disadvantages

  • Limited output current capability (up to 100mA)
  • Requires external components for operation

Working Principles

The VIPER12ASTR-E is an integrated switching regulator that operates on the principle of pulse width modulation (PWM). It converts the input voltage to a regulated output voltage by rapidly switching the internal power transistor. The feedback pin monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output. The device also incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The VIPER12ASTR-E is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Industrial automation equipment
  4. Telecommunication devices
  5. Automotive electronics

Detailed and Complete Alternative Models

  • VIPER12A: Similar specifications, different package (DIP-8)
  • VIPER22A: Higher output current capability (up to 250mA)
  • VIPER26LN: Integrated power MOSFET, higher output power capability

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

Word count: 311 words

Перечислите 10 распространенных вопросов и ответов, связанных с применением VIPER12ASTR-E в технических решениях.

Sure! Here are 10 common questions and answers related to the application of VIPER12ASTR-E in technical solutions:

  1. Q: What is VIPER12ASTR-E? A: VIPER12ASTR-E is a high-voltage converter IC designed for offline flyback converters, commonly used in various technical solutions.

  2. Q: What is the input voltage range of VIPER12ASTR-E? A: The input voltage range of VIPER12ASTR-E is typically between 85VAC and 265VAC.

  3. Q: What is the output power range of VIPER12ASTR-E? A: VIPER12ASTR-E can handle output power ranging from a few watts up to around 15 watts.

  4. Q: Can VIPER12ASTR-E be used in LED lighting applications? A: Yes, VIPER12ASTR-E is suitable for driving LED lighting applications due to its high-voltage capability and efficient design.

  5. Q: Is VIPER12ASTR-E compatible with dimming functionality? A: Yes, VIPER12ASTR-E supports dimming functionality through external components and control signals.

  6. Q: Does VIPER12ASTR-E have built-in protection features? A: Yes, VIPER12ASTR-E incorporates various protection features like overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Can VIPER12ASTR-E be used in battery charging applications? A: Yes, VIPER12ASTR-E can be utilized in battery charging applications by integrating appropriate circuitry.

  8. Q: What is the typical efficiency of VIPER12ASTR-E? A: VIPER12ASTR-E offers high efficiency, typically above 85%, which helps in reducing power losses.

  9. Q: Is VIPER12ASTR-E suitable for low-power applications? A: Yes, VIPER12ASTR-E is designed to handle low-power applications efficiently and reliably.

  10. Q: Are there any evaluation boards available for VIPER12ASTR-E? A: Yes, STMicroelectronics provides evaluation boards for VIPER12ASTR-E, which can help in quick prototyping and testing of technical solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations.