STMicroelectronics
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VIPER22ADIP-E
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VIPER22ADIP-E

Product Overview

Category

VIPER22ADIP-E belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Overvoltage and overcurrent protection
  • Built-in thermal shutdown protection

Package

VIPER22ADIP-E is available in a DIP-8 package.

Essence

The essence of VIPER22ADIP-E lies in its ability to efficiently regulate and control power supply in various electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 5V to 30V DC
  • Output Current: Up to 1A
  • Switching Frequency: 60kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for regulating output voltage
  4. CS: Current sense input
  5. COMP: Compensation pin for stability
  6. SS: Soft-start pin for controlled startup
  7. VSENSE: Voltage sense input
  8. HV: High-voltage startup bias supply

Functional Features

  • Integrated high-voltage startup circuitry
  • Pulse frequency modulation (PFM) operation for improved efficiency at light loads
  • Auto-restart mode for fault protection
  • Adjustable output voltage through external resistors
  • Protection against overvoltage, overcurrent, and thermal overload

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Compact DIP-8 package for easy integration
  • Built-in protection features enhance reliability

Disadvantages

  • Limited output current capacity (up to 1A)
  • Requires external components for complete power supply implementation

Working Principles

VIPER22ADIP-E operates on the principle of pulse frequency modulation (PFM). It regulates the output voltage by adjusting the switching frequency of the internal power switch. This modulation technique ensures high efficiency even at light loads, reducing power consumption.

Detailed Application Field Plans

VIPER22ADIP-E finds extensive use in various applications, including: - AC-DC power supplies - LED lighting systems - Home appliances - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to VIPER22ADIP-E are: - VIPER12ADIP-E - VIPER26HDTR-E - VIPER50A-E

These models offer similar functionality and characteristics, providing flexibility in design choices.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ VIPER22ADIP-E ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of VIPER22ADIP-E in technical solutions:

  1. Q: What is VIPER22ADIP-E?
    A: VIPER22ADIP-E is a high-voltage converter IC designed for offline flyback converters.

  2. Q: What is the input voltage range of VIPER22ADIP-E?
    A: The input voltage range of VIPER22ADIP-E is typically between 85VAC and 265VAC.

  3. Q: What is the output power range supported by VIPER22ADIP-E?
    A: VIPER22ADIP-E supports an output power range of up to 8W.

  4. Q: Can VIPER22ADIP-E be used in low-power applications?
    A: Yes, VIPER22ADIP-E can be used in both low-power and medium-power applications.

  5. Q: What are the key features of VIPER22ADIP-E?
    A: Some key features of VIPER22ADIP-E include built-in startup current source, frequency jittering for EMI reduction, and over-temperature protection.

  6. Q: Is VIPER22ADIP-E suitable for LED lighting applications?
    A: Yes, VIPER22ADIP-E is commonly used in LED lighting applications due to its high efficiency and compact size.

  7. Q: Can VIPER22ADIP-E operate in a wide temperature range?
    A: Yes, VIPER22ADIP-E has a wide operating temperature range of -40°C to 150°C.

  8. Q: Does VIPER22ADIP-E require an external MOSFET?
    A: Yes, VIPER22ADIP-E requires an external MOSFET for switching purposes.

  9. Q: Can VIPER22ADIP-E handle short-circuit conditions?
    A: Yes, VIPER22ADIP-E has built-in protection features to handle short-circuit conditions.

  10. Q: What are the typical applications of VIPER22ADIP-E?
    A: Some typical applications of VIPER22ADIP-E include power supplies for home appliances, LED drivers, and battery chargers.

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