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VIPER17LD
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VIPER17LD

Product Overview

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

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 0.8V to 28V
  • Maximum Output Current: 700mA
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for loop stability
  5. CS: Current sense pin for current limit protection
  6. DRAIN: Drain pin for external MOSFET connection
  7. SOURCE: Source pin for external MOSFET connection
  8. NC: No Connection

Functional Features

  • Integrated high-voltage startup
  • Built-in error amplifier with precise voltage reference
  • Over-temperature protection
  • Overload and short-circuit protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leading to reduced power dissipation - Low standby power consumption - Wide input voltage range for versatile applications - Compact SO-8 package for space-constrained designs

Disadvantages: - Limited maximum output current of 700mA - Relatively low switching frequency compared to some alternatives

Working Principles

VIPER17LD is a voltage regulator that utilizes a flyback converter topology. It operates by converting the input voltage into a high-frequency AC signal, which is then rectified and filtered to provide a stable output voltage. The integrated high-voltage startup circuit ensures reliable operation even at low input voltages.

Detailed Application Field Plans

VIPER17LD is commonly used in various applications such as:

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

Its wide input voltage range, compact package, and high efficiency make it suitable for a diverse range of applications.

Detailed and Complete Alternative Models

  1. VIPER16LD: Similar specifications and features, but with a lower maximum output current of 500mA.
  2. VIPER22ADIP-E: Higher maximum output current of 1A, but in a different DIP-8 package.
  3. VIPER26HDTR-E: Increased switching frequency up to 300kHz, suitable for applications requiring faster response times.

These alternative models offer different trade-offs in terms of output current, package type, and switching frequency, allowing designers to choose the most suitable option for their specific requirements.

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10 pirs û bersivên hevpar ên têkildarî sepana VIPER17LD di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of VIPER17LD in technical solutions:

  1. Q: What is VIPER17LD?
    A: VIPER17LD is a high-voltage converter IC designed for offline flyback converters, commonly used in power supply applications.

  2. Q: What is the input voltage range supported by VIPER17LD?
    A: The input voltage range supported by VIPER17LD is typically between 85V and 265V AC.

  3. Q: What is the output power range that VIPER17LD can handle?
    A: VIPER17LD can handle output power ranging from a few watts up to around 25 watts, depending on the specific application and design.

  4. Q: Can VIPER17LD be used in both isolated and non-isolated power supply designs?
    A: Yes, VIPER17LD can be used in both isolated and non-isolated power supply designs, making it versatile for various applications.

  5. Q: Does VIPER17LD have built-in protection features?
    A: Yes, VIPER17LD incorporates several built-in protection features such as overvoltage protection, overload protection, and thermal shutdown.

  6. Q: What is the typical efficiency of VIPER17LD?
    A: The typical efficiency of VIPER17LD is around 85-90%, depending on the operating conditions and load requirements.

  7. Q: Can VIPER17LD operate in continuous or discontinuous mode?
    A: VIPER17LD can operate in both continuous and discontinuous mode, allowing flexibility in different power supply designs.

  8. Q: Is VIPER17LD suitable for low-power applications?
    A: Yes, VIPER17LD is suitable for low-power applications as it can efficiently handle power outputs as low as a few watts.

  9. Q: Can VIPER17LD be used in dimmable LED lighting applications?
    A: Yes, VIPER17LD can be used in dimmable LED lighting applications, providing efficient and reliable power conversion for such systems.

  10. Q: Are there any reference designs or application notes available for VIPER17LD?
    A: Yes, the manufacturer of VIPER17LD provides reference designs and application notes that can help engineers in implementing the IC effectively in their designs.

Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It is always recommended to refer to the datasheet and relevant documentation for accurate information.