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VIPER26HN
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VIPER26HN

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High voltage converter, high efficiency, compact size
  • Package: DIP-7, SO-10
  • Essence: Voltage regulator and power switch
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 3.3V to 48V
  • Switching Frequency: Up to 200kHz
  • Maximum Output Current: 1A
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VIPER26HN 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. SD: Shutdown pin for enabling/disabling the device
  7. HV: High voltage startup bias supply

Functional Features

  • Integrated high voltage power MOSFET
  • Built-in protection features like overvoltage, overcurrent, and thermal shutdown
  • Low standby power consumption
  • Soft-start function for controlled startup
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Compact package size enables space-saving designs
  • Comprehensive protection features enhance system reliability
  • Soft-start function prevents excessive inrush current during startup

Disadvantages

  • Limited maximum output current of 1A may not be suitable for high-power applications
  • Higher switching frequency can introduce more noise in sensitive applications

Working Principles

The VIPER26HN is a voltage regulator and power switch integrated circuit. It operates by converting the input voltage to the desired output voltage using a high voltage power MOSFET. The device incorporates various protection features like overvoltage, overcurrent, and thermal shutdown to ensure safe operation. It also includes a soft-start function to control the startup process and prevent excessive inrush current.

Detailed Application Field Plans

The VIPER26HN finds applications in various fields, including:

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

Detailed and Complete Alternative Models

  • VIPER26LD: Similar specifications but with a lower maximum output current of 0.5A
  • VIPER26HD: Similar specifications but with a higher maximum output current of 1.5A
  • VIPER26LN: Similar specifications but in a different package (DIP-7)
  • VIPER26HNTR-E: Similar specifications but in a smaller package (SO-10)

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van VIPER26HN in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of VIPER26HN in technical solutions:

  1. Q: What is VIPER26HN?
    A: VIPER26HN is a high-voltage converter integrated circuit (IC) designed for offline flyback converters.

  2. Q: What is the input voltage range of VIPER26HN?
    A: The input voltage range of VIPER26HN is typically between 85V and 265V AC.

  3. Q: What is the output power range of VIPER26HN?
    A: VIPER26HN can handle output power ranging from a few watts up to around 25W.

  4. Q: Can VIPER26HN be used in both isolated and non-isolated applications?
    A: Yes, VIPER26HN can be used in both isolated and non-isolated applications depending on the design requirements.

  5. Q: What are the key features of VIPER26HN?
    A: Some key features of VIPER26HN include high-voltage startup, built-in protections, low standby power consumption, and high efficiency.

  6. Q: What are the typical applications of VIPER26HN?
    A: VIPER26HN is commonly used in various applications such as LED lighting, home appliances, industrial controls, and power supplies.

  7. Q: Does VIPER26HN have built-in protection features?
    A: Yes, VIPER26HN has built-in protections like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  8. Q: Can VIPER26HN operate in a wide temperature range?
    A: Yes, VIPER26HN can operate in a wide temperature range, typically from -40°C to +150°C.

  9. Q: Is VIPER26HN suitable for universal input voltage applications?
    A: Yes, VIPER26HN is designed to handle universal input voltage applications, making it suitable for use in different regions.

  10. Q: Are there any evaluation boards or reference designs available for VIPER26HN?
    A: Yes, STMicroelectronics provides evaluation boards and reference designs for VIPER26HN to help with the development process.

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