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VIPER20ASP-E
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VIPER20ASP-E

Product Overview

Category

VIPER20ASP-E belongs to the category of integrated power converters.

Use

It is commonly used in various applications that require efficient power conversion.

Characteristics

  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection

Package

VIPER20ASP-E is available in a compact and robust package, ensuring easy integration into different systems.

Essence

The essence of VIPER20ASP-E lies in its ability to provide reliable and efficient power conversion with advanced protection features.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 3.3V to 28V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to 150°C

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense input for current limiting
  5. EN/UVLO: Enable/Undervoltage lockout control pin
  6. COMP: Compensation pin for stability optimization
  7. DRAIN: High-voltage power MOSFET drain connection
  8. SOURCE: High-voltage power MOSFET source connection

Functional Features

  • Integrated high-voltage power MOSFET
  • Pulse frequency modulation control
  • Built-in soft-start function
  • Adjustable output voltage
  • Protection against overvoltage, overcurrent, and thermal shutdown

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide input voltage range allows for versatile applications
  • Advanced protection features ensure system reliability
  • Compact package facilitates easy integration

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

VIPER20ASP-E utilizes pulse frequency modulation control to regulate the output voltage. The integrated high-voltage power MOSFET efficiently converts the input voltage to the desired output voltage. The feedback mechanism, along with the compensation pin, ensures stable and accurate voltage regulation. The built-in soft-start function prevents excessive inrush current during startup.

Detailed Application Field Plans

VIPER20ASP-E finds extensive application in various fields, including but not limited to: - Power supplies for consumer electronics - LED lighting systems - Industrial automation equipment - Telecommunications devices - Automotive electronics

Detailed and Complete Alternative Models

  1. VIPER26LN: Similar functionality with higher maximum output current (2.5A)
  2. VIPER50A: Higher power version with increased output current (5A)
  3. VIPER53SP: Enhanced features with adjustable switching frequency and synchronization capability

These alternative models offer different specifications and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van VIPER20ASP-E in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of VIPER20ASP-E in technical solutions:

  1. Q: What is VIPER20ASP-E? A: VIPER20ASP-E is a high-voltage converter IC designed for offline power supplies, offering a wide range of features and protections.

  2. Q: What are the key features of VIPER20ASP-E? A: VIPER20ASP-E features include an integrated high-voltage startup, a current mode PWM controller, built-in protections (overvoltage, overload, short-circuit), and a wide input voltage range.

  3. Q: What are the typical applications of VIPER20ASP-E? A: VIPER20ASP-E is commonly used in various offline power supply applications such as adapters, chargers, LED lighting, and industrial power supplies.

  4. Q: What is the maximum input voltage supported by VIPER20ASP-E? A: VIPER20ASP-E can handle input voltages ranging from 90V AC to 265V AC.

  5. Q: Does VIPER20ASP-E require an external MOSFET? A: Yes, VIPER20ASP-E requires an external MOSFET to drive the primary side of the transformer.

  6. Q: Can VIPER20ASP-E operate in continuous or discontinuous conduction mode? A: VIPER20ASP-E can operate in both continuous and discontinuous conduction modes, depending on the load conditions.

  7. Q: What are the advantages of using VIPER20ASP-E in power supply designs? A: VIPER20ASP-E offers high efficiency, low standby power consumption, compact size, and comprehensive protection features, making it suitable for energy-efficient and reliable power supply solutions.

  8. Q: Is VIPER20ASP-E compatible with dimming functionality for LED lighting applications? A: Yes, VIPER20ASP-E supports dimming functionality for LED lighting applications by using external components.

  9. Q: Does VIPER20ASP-E have built-in protection against overtemperature conditions? A: Yes, VIPER20ASP-E includes thermal shutdown protection to prevent damage due to excessive temperature.

  10. Q: Are there any evaluation boards or reference designs available for VIPER20ASP-E? A: Yes, STMicroelectronics provides evaluation boards and reference designs that can help engineers quickly prototype and implement VIPER20ASP-E in their applications.

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