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VIPER20-22-E

VIPER20-22-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: Adjustable from 3.3V to 28V
  • Maximum Output Current: 2.2A
  • Switching Frequency: 60kHz to 200kHz
  • Standby Power Consumption: Less than 100mW
  • Operating Temperature Range: -40°C to +125°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 limiting
  6. DRAIN: Switching transistor drain connection
  7. SOURCE: Switching transistor source connection

Functional Features

  • Integrated high-voltage startup and sense-FET
  • Pulse frequency modulation (PFM) operation at light load for improved efficiency
  • Overvoltage protection (OVP)
  • Overcurrent protection (OCP)
  • Thermal shutdown protection (TSD)
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency resulting in reduced power dissipation - Wide input voltage range allows for versatile applications - Compact TO-220 package for easy integration - Low standby power consumption saves energy

Disadvantages: - Limited maximum output current of 2.2A - Requires external components for proper operation - Higher switching frequency may cause electromagnetic interference (EMI)

Working Principles

The VIPER20-22-E is a voltage regulator IC that utilizes pulse frequency modulation (PFM) operation to achieve high efficiency. It integrates a high-voltage startup and sense-FET, allowing it to operate from a wide input voltage range of 8V to 30V. The IC regulates the output voltage by adjusting the duty cycle of the internal switching transistor based on the feedback received from the FB pin. It provides various protection features such as overvoltage, overcurrent, and thermal shutdown.

Detailed Application Field Plans

The VIPER20-22-E is suitable for a wide range of applications including:

  1. Power supplies for industrial equipment
  2. LED lighting systems
  3. Consumer electronics
  4. Battery chargers
  5. Automotive electronics
  6. Telecom infrastructure

Detailed and Complete Alternative Models

  1. VIPER20A-22-E: Similar specifications with enhanced overvoltage protection
  2. VIPER20B-22-E: Lower standby power consumption but reduced maximum output current
  3. VIPER20C-22-E: Higher maximum output current but slightly lower efficiency

Note: These alternative models are recommended based on specific requirements and should be evaluated accordingly.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan VIPER20-22-E dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of VIPER20-22-E in technical solutions:

  1. Q: What is VIPER20-22-E? A: VIPER20-22-E is a high-voltage converter IC designed for offline power supplies, commonly used in various technical solutions.

  2. Q: What are the key features of VIPER20-22-E? A: The key features of VIPER20-22-E include high voltage startup, integrated MOSFET, current mode control, and comprehensive protection features.

  3. Q: How does VIPER20-22-E help in technical solutions? A: VIPER20-22-E provides efficient power conversion, reliable performance, and compact design options, making it suitable for various applications like LED lighting, home appliances, and industrial equipment.

  4. Q: Can VIPER20-22-E handle high input voltages? A: Yes, VIPER20-22-E can handle input voltages up to 800V, making it suitable for applications with high line voltages.

  5. Q: Does VIPER20-22-E support dimming functionality for LED lighting applications? A: Yes, VIPER20-22-E supports dimming functionality through external components, allowing precise control over LED brightness.

  6. Q: What are the protection features offered by VIPER20-22-E? A: VIPER20-22-E includes protection against overvoltage, overload, short-circuit, and thermal shutdown, ensuring safe operation and system reliability.

  7. Q: Is VIPER20-22-E compatible with both AC and DC inputs? A: No, VIPER20-22-E is specifically designed for AC input applications and may not be suitable for DC input configurations.

  8. Q: Can VIPER20-22-E be used in battery-powered applications? A: No, VIPER20-22-E is primarily designed for offline power supplies and requires an AC input source.

  9. Q: Are there any reference designs available for VIPER20-22-E? A: Yes, the manufacturer provides reference designs and application notes to assist in implementing VIPER20-22-E in various technical solutions.

  10. Q: What are the typical efficiency levels of VIPER20-22-E? A: VIPER20-22-E offers high efficiency levels, typically above 90%, ensuring minimal power losses and improved energy efficiency in technical solutions.

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