STMicroelectronics
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VIPER50A-22-E
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VIPER50A-22-E

Introduction

The VIPER50A-22-E is a power management IC belonging to the category of offline high voltage converters. This device is designed for use in various applications such as power supplies, lighting, and home appliances. It is characterized by its high efficiency, compact package, and integrated features. The essence of VIPER50A-22-E lies in its ability to provide reliable and efficient power conversion in a small form factor. The packaging typically includes the IC itself along with relevant documentation and varies in quantity based on manufacturer specifications.

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 22W
  • Switching Frequency: 60kHz to 115kHz
  • Operating Temperature Range: -40°C to 150°C
  • Package Type: DIP-8C

Detailed Pin Configuration

  1. VCC
  2. Drain
  3. Sense
  4. Ground
  5. NC
  6. FB
  7. CS
  8. VDD

Functional Features

  • Integrated MOSFET
  • Overvoltage Protection
  • Overcurrent Protection
  • Auto-Recovery Thermal Shutdown

Advantages and Disadvantages

Advantages

  • High Efficiency
  • Compact Design
  • Integrated Protections

Disadvantages

  • Limited Output Power
  • Narrow Input Voltage Range

Working Principles

The VIPER50A-22-E operates on the principle of pulse frequency modulation (PFM) to regulate the output voltage. It utilizes an integrated MOSFET to switch the input voltage and control the power delivered to the load. The device incorporates various protection mechanisms to ensure safe and reliable operation under different conditions.

Detailed Application Field Plans

The VIPER50A-22-E is well-suited for use in low-power offline applications such as LED lighting, auxiliary power supplies, and standby power systems. Its compact size and integrated features make it ideal for space-constrained designs where high efficiency and reliability are essential.

Detailed and Complete Alternative Models

  • VIPER26LD
  • VIPER27LN
  • VIPER28L

In conclusion, the VIPER50A-22-E offers a reliable and efficient solution for low-power offline power conversion applications. With its integrated features and compact design, it provides a versatile option for various electronic devices and systems.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa VIPER50A-22-E katika suluhu za kiufundi

  1. What is the maximum output current of VIPER50A-22-E?

    • The maximum output current of VIPER50A-22-E is 700 mA.

  2. What is the input voltage range for VIPER50A-22-E?

    • The input voltage range for VIPER50A-22-E is from 85 VAC to 265 VAC.

  3. What is the typical switching frequency of VIPER50A-22-E?

    • The typical switching frequency of VIPER50A-22-E is 60 kHz.

  4. Can VIPER50A-22-E be used in offline flyback converters?

    • Yes, VIPER50A-22-E is suitable for use in offline flyback converters.

  5. Does VIPER50A-22-E have built-in overvoltage protection?

    • Yes, VIPER50A-22-E features built-in overvoltage protection.

  6. What are the typical applications of VIPER50A-22-E?

    • VIPER50A-22-E is commonly used in LED lighting, home appliances, and industrial power supplies.

  7. Is VIPER50A-22-E compatible with PFC circuits?

    • Yes, VIPER50A-22-E is compatible with Power Factor Correction (PFC) circuits.

  8. What is the operating temperature range of VIPER50A-22-E?

    • VIPER50A-22-E has an operating temperature range of -40°C to 150°C.

  9. Does VIPER50A-22-E have integrated thermal shutdown protection?

    • Yes, VIPER50A-22-E includes integrated thermal shutdown protection.

  10. Is VIPER50A-22-E RoHS compliant?

    • Yes, VIPER50A-22-E is RoHS compliant, ensuring it meets environmental standards.