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VIPER26HD
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VIPER26HD

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High Efficiency, Low Standby Power Consumption
Package: TO-220
Essence: Integrated Switching Regulator
Packaging/Quantity: Tube/50 pieces per tube

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Maximum Output Current: 1.2A
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VIPER26HD has a total of seven pins:

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense input for current limitation
  5. EN/UVLO: Enable and undervoltage lockout control pin
  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) operation for light load efficiency
  • Overvoltage protection (OVP)
  • Thermal shutdown protection (TSD)
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency over a wide input voltage range - Low standby power consumption - Compact TO-220 package for easy integration - Built-in protection features for enhanced reliability

Disadvantages: - Limited maximum output current (1.2A) - Requires external components for complete circuit implementation

Working Principles

The VIPER26HD is an integrated switching regulator that utilizes pulse frequency modulation (PFM) operation to achieve high efficiency. It operates by converting the input voltage into a regulated output voltage using a high-voltage power MOSFET. The device incorporates various protection features such as overvoltage protection and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The VIPER26HD is commonly used in various applications, including:

  1. Power supplies for industrial equipment
  2. LED lighting systems
  3. Home appliances
  4. Battery chargers
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. VIPER26LD: Similar specifications but with lower maximum output current (0.8A)
  2. VIPER26HN: Higher maximum output current (1.5A) with similar characteristics and package
  3. VIPER26LN: Lower maximum output current (0.6A) with similar characteristics and package

These alternative models provide flexibility in choosing the appropriate device based on specific application requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem VIPER26HD w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of VIPER26HD in technical solutions:

  1. Q: What is VIPER26HD?
    A: VIPER26HD is a high-voltage converter IC designed for offline power supplies.

  2. Q: What are the key features of VIPER26HD?
    A: The key features include 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 VIPER26HD?
    A: VIPER26HD is commonly used in applications such as LED lighting, home appliances, industrial automation, and power adapters.

  4. Q: What is the maximum input voltage supported by VIPER26HD?
    A: VIPER26HD can handle input voltages up to 800V.

  5. Q: Does VIPER26HD have built-in protection features?
    A: Yes, VIPER26HD includes various built-in protections like overvoltage protection, overload protection, and thermal shutdown.

  6. Q: Can VIPER26HD operate in a wide temperature range?
    A: Yes, VIPER26HD has a wide operating temperature range of -40°C to 150°C.

  7. Q: Is VIPER26HD suitable for low-power applications?
    A: Yes, VIPER26HD has a low standby power consumption of less than 30mW, making it suitable for low-power applications.

  8. Q: Can VIPER26HD be used in dimmable LED lighting applications?
    A: Yes, VIPER26HD supports dimming functionality and can be used in dimmable LED lighting applications.

  9. Q: Does VIPER26HD require an external MOSFET?
    A: No, VIPER26HD integrates a high-voltage startup circuit and does not require an external MOSFET.

  10. Q: What are the advantages of using VIPER26HD in power supply designs?
    A: The advantages 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.