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VIPER20-E
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VIPER20-E

Product Overview

Category: Power Management ICs
Use: Voltage Regulator
Characteristics: High efficiency, low standby power consumption
Package: TO-220
Essence: Integrated Switcher
Packaging/Quantity: Tube/50 units per tube

Specifications

  • Input Voltage Range: 8V to 30V
  • Output Voltage Range: 3.3V to 24V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 60kHz to 200kHz
  • Standby Power Consumption: <100mW
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VIPER20-E has the following pin configuration:

  1. VCC: Supply voltage 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 MOSFET drain connection
  7. SOURCE: High-voltage power MOSFET source connection

Functional Features

  • Integrated high-voltage power MOSFET
  • Pulse frequency modulation (PFM) control
  • Overvoltage protection (OVP)
  • Overcurrent protection (OCP)
  • Thermal shutdown protection (TSD)
  • Soft-start function
  • Adjustable output voltage

Advantages and Disadvantages

Advantages: - High efficiency, reducing power dissipation - Low standby power consumption, enhancing energy efficiency - Wide input and output voltage range - Compact TO-220 package for easy integration - Comprehensive protection features ensure system reliability

Disadvantages: - Limited maximum output current of 1.5A - Relatively low switching frequency compared to some alternatives

Working Principles

The VIPER20-E is a voltage regulator IC that utilizes pulse frequency modulation (PFM) control to regulate the output voltage. It integrates a high-voltage power MOSFET, allowing for efficient power conversion. The IC operates by adjusting the duty cycle of the switching signal based on the feedback received from the FB pin. This feedback loop ensures that the output voltage remains stable and within the desired range.

Detailed Application Field Plans

The VIPER20-E is suitable for various applications requiring voltage regulation, such as:

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

Detailed and Complete Alternative Models

  1. VIPER26LN: Similar functionality with higher maximum output current (2.5A)
  2. VIPER22A: Lower cost alternative with lower maximum output current (0.7A)
  3. VIPER50A: Higher maximum output current (5A) for more demanding applications

These alternative models provide options for different requirements and can be considered based on specific project needs.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de VIPER20-E em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of VIPER20-E in technical solutions:

  1. Q: What is VIPER20-E?
    A: VIPER20-E is a high-voltage converter IC designed for offline power supplies.

  2. Q: What are the key features of VIPER20-E?
    A: The key features of VIPER20-E include high voltage startup, built-in protections, low standby power consumption, and wide input voltage range.

  3. Q: What is the typical application of VIPER20-E?
    A: VIPER20-E is commonly used in applications such as LED lighting, home appliances, industrial automation, and consumer electronics.

  4. Q: What is the maximum input voltage supported by VIPER20-E?
    A: VIPER20-E can handle input voltages up to 800V.

  5. Q: Does VIPER20-E have built-in protection features?
    A: Yes, VIPER20-E has built-in protections like overvoltage protection, overload protection, and thermal shutdown.

  6. Q: Can VIPER20-E operate in a wide temperature range?
    A: Yes, VIPER20-E can operate in a temperature range of -40°C to +150°C.

  7. Q: Is VIPER20-E suitable for low-power applications?
    A: Yes, VIPER20-E has a low standby power consumption of less than 30mW, making it suitable for low-power applications.

  8. Q: Can VIPER20-E be used in both AC and DC input applications?
    A: Yes, VIPER20-E can be used in both AC and DC input applications.

  9. Q: Does VIPER20-E support frequency jittering for EMI reduction?
    A: Yes, VIPER20-E supports frequency jittering to reduce electromagnetic interference (EMI).

  10. Q: What are the advantages of using VIPER20-E in power supply designs?
    A: The advantages of using VIPER20-E include high efficiency, compact size, simplified design, and reliable performance.

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