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VIPER28LD
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VIPER28LD

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics:
    • High voltage converter
    • Low power consumption
    • Compact package
  • Package: SOP-8
  • Essence: Voltage regulator and converter
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 3.3V to 28V
  • Switching Frequency: 60kHz
  • Maximum Output Current: 280mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VIPER28LD IC has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense input
  5. COMP: Compensation pin for loop stability
  6. DRAIN: High-voltage power switch drain
  7. SOURCE: High-voltage power switch source
  8. VCC: Power supply input

Functional Features

  • Integrated high-voltage power switch
  • Overload and short-circuit protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup
  • Low standby power consumption

Advantages and Disadvantages

Advantages: - Wide input voltage range - Compact package size - Efficient power conversion - Built-in protection features

Disadvantages: - Limited maximum output current - Relatively low switching frequency

Working Principles

The VIPER28LD is a high-voltage converter that regulates and converts input voltage to a desired output voltage. It utilizes an integrated high-voltage power switch to efficiently convert the input voltage. The IC incorporates various protection features such as overload and short-circuit protection, as well as thermal shutdown protection. It also includes a soft-start function to ensure controlled startup and minimize inrush current.

Detailed Application Field Plans

The VIPER28LD is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. Industrial automation systems
  3. LED lighting systems
  4. Battery chargers
  5. Automotive electronics

Detailed and Complete Alternative Models

  • VIPER26LD: Similar specifications and features, different package (DIP-8)
  • VIPER27LD: Higher maximum output current (400mA), similar specifications and features, different package (SOP-8)
  • VIPER29LD: Lower maximum output current (200mA), similar specifications and features, different package (SOP-8)

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技術ソリューションにおける VIPER28LD の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of VIPER28LD in technical solutions:

  1. Q: What is VIPER28LD? A: VIPER28LD is a high-voltage converter IC designed for offline power supplies, commonly used in various technical solutions.

  2. Q: What are the key features of VIPER28LD? A: VIPER28LD features a wide input voltage range, integrated high-voltage startup, built-in protections, and low standby power consumption.

  3. Q: What is the typical application of VIPER28LD? A: VIPER28LD is typically used in applications such as LED lighting, home appliances, industrial automation, and power adapters.

  4. Q: How does VIPER28LD help in LED lighting applications? A: VIPER28LD provides efficient power conversion, enabling stable and reliable operation of LED lighting systems.

  5. Q: Can VIPER28LD handle high input voltages? A: Yes, VIPER28LD can handle input voltages up to several hundred volts, making it suitable for use in high-voltage applications.

  6. Q: Does VIPER28LD offer any protection features? A: Yes, VIPER28LD includes built-in protections such as overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Is VIPER28LD compatible with different control methods? A: Yes, VIPER28LD supports both fixed-frequency PWM control and frequency modulation (FM) control for flexible system design.

  8. Q: Can VIPER28LD operate in a wide temperature range? A: Yes, VIPER28LD has a wide operating temperature range, typically from -40°C to +125°C, ensuring reliable performance in various environments.

  9. Q: Does VIPER28LD have any energy-saving features? A: Yes, VIPER28LD has a low standby power consumption mode, helping to reduce overall power consumption in standby or idle conditions.

  10. Q: Are there any reference designs available for VIPER28LD? A: Yes, the manufacturer provides reference designs and application notes that can help engineers implement VIPER28LD in their technical solutions effectively.

Please note that these questions and answers are general and may vary depending on specific applications and requirements.