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VIPER25LDTR
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VIPER25LDTR

Product Overview

Category

VIPER25LDTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power supply applications.

Characteristics

  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection

Package

VIPER25LDTR is available in a small outline package (SO-8) with exposed pad for enhanced thermal dissipation.

Essence

The essence of VIPER25LDTR lies in its ability to provide efficient and reliable power supply solutions.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specified quantity of VIPER25LDTR ICs.

Specifications

  • Input voltage range: 85V to 265V AC
  • Output voltage: Adjustable, depending on application requirements
  • Maximum output current: 1.5A
  • Switching frequency: 60kHz
  • Operating temperature range: -40°C to +150°C

Detailed Pin Configuration

  1. VCC: Power supply pin
  2. GND: Ground pin
  3. FB: Feedback pin for regulating output voltage
  4. CS: Current sense pin for overcurrent protection
  5. COMP: Compensation pin for stability control
  6. DRAIN: Drain pin for power MOSFET
  7. SOURCE: Source pin for power MOSFET
  8. NC: No connection pin

Functional Features

  • Integrated high-voltage startup
  • Pulse skipping for light load efficiency improvement
  • Built-in soft-start function
  • Frequency jittering for reduced EMI emissions
  • Auto-restart after fault condition removal

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Overvoltage and overcurrent protection ensure system safety
  • Thermal shutdown protection prevents overheating

Disadvantages

  • Limited maximum output current of 1.5A may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

VIPER25LDTR operates as a flyback converter, utilizing a power MOSFET to switch the input voltage and transform it into the desired output voltage. The integrated circuit incorporates various control mechanisms to regulate the output voltage, protect against faults, and optimize efficiency.

Detailed Application Field Plans

VIPER25LDTR finds extensive application in the following fields:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Industrial power supplies
  4. Home appliances
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. VIPER26LDTR
  2. VIPER27LDTR
  3. VIPER28LDTR
  4. VIPER29LDTR
  5. VIPER30LDTR

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable solution for specific applications.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de VIPER25LDTR em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of VIPER25LDTR in technical solutions:

  1. Q: What is VIPER25LDTR? A: VIPER25LDTR is a high-voltage converter IC designed for offline power supplies, commonly used in various technical solutions.

  2. Q: What is the input voltage range of VIPER25LDTR? A: The input voltage range of VIPER25LDTR is typically between 85VAC and 265VAC.

  3. Q: What is the output voltage range of VIPER25LDTR? A: The output voltage range of VIPER25LDTR can be adjusted using external components, but it is commonly used for low-voltage DC outputs such as 5V or 12V.

  4. Q: What is the maximum output current of VIPER25LDTR? A: The maximum output current of VIPER25LDTR depends on the specific design and cooling conditions, but it can typically handle currents up to several hundred milliamperes.

  5. Q: Can VIPER25LDTR be used in both isolated and non-isolated power supply designs? A: Yes, VIPER25LDTR can be used in both isolated and non-isolated power supply designs, depending on the specific requirements of the application.

  6. Q: Does VIPER25LDTR have built-in protection features? A: Yes, VIPER25LDTR includes various built-in protection features such as overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Is VIPER25LDTR suitable for low-power applications? A: Yes, VIPER25LDTR is suitable for low-power applications due to its efficient operation and low standby power consumption.

  8. Q: Can VIPER25LDTR be used in battery-powered devices? A: No, VIPER25LDTR is designed for offline power supplies and requires an AC input. It is not suitable for battery-powered devices.

  9. Q: What are the typical applications of VIPER25LDTR? A: VIPER25LDTR is commonly used in various technical solutions such as LED lighting, home appliances, industrial controls, and consumer electronics.

  10. Q: Are there any reference designs or application notes available for VIPER25LDTR? A: Yes, the manufacturer of VIPER25LDTR provides reference designs and application notes that can help engineers in implementing the IC in their technical solutions.