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VIPER16HD
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VIPER16HD

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, compact size, wide input voltage range
Package: SO-16
Essence: Integrated Switching Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VIPER16HD power management IC has a total of 16 pins arranged as follows:

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense input for current limiting
  5. COMP: Compensation pin for loop stability
  6. SS: Soft-start pin for controlled startup
  7. EN: Enable pin for turning the device on/off
  8. VSENSE: Voltage sense input for feedback control
  9. VDD: Internal supply voltage
  10. VREF: Reference voltage output
  11. DRAIN: High-voltage power MOSFET drain connection
  12. SOURCE: High-voltage power MOSFET source connection
  13. BOOT: Bootstrap capacitor connection
  14. VCC: Supply voltage input
  15. GND: Ground reference
  16. VCC: Supply voltage input

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in protection features (overvoltage, overcurrent, thermal shutdown)
  • Adjustable output voltage through external resistors
  • Low standby power consumption
  • Pulse frequency modulation (PFM) or pulse width modulation (PWM) operation modes

Advantages and Disadvantages

Advantages: - High efficiency leading to reduced power dissipation - Compact size suitable for space-constrained applications - Wide input voltage range allows for versatile use - Built-in protection features enhance system reliability

Disadvantages: - Limited maximum output current of 1.5A - Requires external components for proper operation - Higher cost compared to linear regulators

Working Principles

The VIPER16HD is an integrated switching regulator that operates based on the principles of pulse frequency modulation (PFM) or pulse width modulation (PWM). It converts the input voltage to a regulated output voltage by controlling the duty cycle of the internal power MOSFET. The feedback loop ensures the output voltage remains stable, while built-in protection features safeguard against overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

The VIPER16HD finds applications in various fields including:

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

Its wide input voltage range, compact size, and high efficiency make it suitable for diverse applications requiring voltage regulation.

Detailed and Complete Alternative Models

  1. VIPER26HD: Similar specifications with higher maximum output current of 2.5A
  2. VIPER12HD: Lower maximum output current of 0.8A but lower cost
  3. VIPER22HD: Similar specifications with adjustable switching frequency

These alternative models offer different trade-offs in terms of output current capability and cost, allowing users to choose the most suitable option for their specific requirements.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa VIPER16HD katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of VIPER16HD in technical solutions:

  1. Q: What is VIPER16HD?
    A: VIPER16HD is a high-voltage converter IC designed for offline power supplies, offering high efficiency and robustness.

  2. Q: What are the key features of VIPER16HD?
    A: The key features of VIPER16HD include integrated high-voltage startup, current mode control, adjustable switching frequency, and comprehensive protection features.

  3. Q: What applications can VIPER16HD be used in?
    A: VIPER16HD is commonly used in various applications such as LED lighting, home appliances, industrial automation, and power adapters.

  4. Q: How does VIPER16HD help in LED lighting applications?
    A: VIPER16HD provides efficient power conversion for LED lighting systems, enabling precise control of brightness levels and reducing energy consumption.

  5. Q: Can VIPER16HD handle high input voltages?
    A: Yes, VIPER16HD can handle input voltages up to 800V, making it suitable for applications with high voltage requirements.

  6. Q: Does VIPER16HD offer protection against overvoltage and overcurrent?
    A: Yes, VIPER16HD includes built-in protection features like overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  7. Q: Is VIPER16HD easy to implement in power supply designs?
    A: Yes, VIPER16HD comes in a compact package and offers a simple design process, making it relatively easy to integrate into power supply designs.

  8. Q: Can VIPER16HD operate in a wide temperature range?
    A: Yes, VIPER16HD has a wide operating temperature range of -40°C to +150°C, allowing it to function reliably in various environments.

  9. Q: Does VIPER16HD support dimming control for LED applications?
    A: Yes, VIPER16HD supports analog or PWM dimming control, providing flexibility in adjusting the brightness of LED lighting systems.

  10. Q: Are there any evaluation boards available for VIPER16HD?
    A: Yes, STMicroelectronics offers evaluation boards and reference designs for VIPER16HD, facilitating the development and testing of power supply solutions.

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