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VIPER20ASPTR-E
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VIPER20ASPTR-E

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: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 8V to 30V
  • Output Voltage Range: 3.3V to 28V
  • Output Current: Up to 1A
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VIPER20ASPTR-E 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 stability control
  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 improved efficiency
  • Overvoltage protection (OVP)
  • Overcurrent protection (OCP)
  • Thermal shutdown protection (TSD)
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency conversion
  • Low standby power consumption
  • Wide input voltage range
  • Compact TO-220 package
  • Comprehensive protection features

Disadvantages

  • Limited output current capacity (up to 1A)
  • Requires external components for complete circuit implementation

Working Principles

The VIPER20ASPTR-E is an integrated switching regulator that utilizes pulse frequency modulation (PFM) to regulate the output voltage. It operates by rapidly switching the high-voltage power MOSFET on and off, controlling the energy transfer from the input to the output. This switching action allows for efficient voltage conversion with minimal power loss.

Detailed Application Field Plans

The VIPER20ASPTR-E is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. Industrial automation systems
  3. LED lighting drivers
  4. Battery chargers
  5. Automotive electronics

Detailed and Complete Alternative Models

  • VIPER20ADIP-E: DIP package variant of VIPER20ASPTR-E
  • VIPER20A-15-E: Fixed 15V output voltage variant of VIPER20ASPTR-E
  • VIPER20A-33-E: Fixed 3.3V output voltage variant of VIPER20ASPTR-E
  • VIPER20A-28-E: Fixed 28V output voltage variant of VIPER20ASPTR-E

Please note that the above list is not exhaustive and there may be other alternative models available.

This entry provides an overview of the VIPER20ASPTR-E, a power management IC belonging to the voltage regulator category. It includes information about its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

技術ソリューションにおける VIPER20ASPTR-E の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of VIPER20ASPTR-E in technical solutions:

  1. Q: What is VIPER20ASPTR-E? A: VIPER20ASPTR-E is a high-voltage converter IC designed for offline power supplies, offering high efficiency and low standby power consumption.

  2. Q: What are the key features of VIPER20ASPTR-E? A: The key features include a wide input voltage range, integrated high-voltage startup, built-in protections, adjustable output voltage, and low standby power consumption.

  3. Q: What is the typical application of VIPER20ASPTR-E? A: VIPER20ASPTR-E is commonly used in various applications such as power adapters, chargers, LED lighting, home appliances, and industrial equipment.

  4. Q: How does VIPER20ASPTR-E achieve high efficiency? A: VIPER20ASPTR-E achieves high efficiency through its advanced control algorithms, low-loss power MOSFET, and optimized design for minimizing power dissipation.

  5. Q: Can VIPER20ASPTR-E handle a wide input voltage range? A: Yes, VIPER20ASPTR-E can handle a wide input voltage range typically from 90V to 264V AC, making it suitable for worldwide use.

  6. Q: Does VIPER20ASPTR-E have built-in protection features? A: Yes, VIPER20ASPTR-E incorporates various protection features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown to ensure safe operation.

  7. Q: Is the output voltage of VIPER20ASPTR-E adjustable? A: Yes, VIPER20ASPTR-E allows for adjustable output voltage through external components, providing flexibility in meeting different application requirements.

  8. Q: Can VIPER20ASPTR-E operate in low standby power mode? A: Yes, VIPER20ASPTR-E has a low standby power consumption mode, which helps to reduce energy waste during idle or standby operation.

  9. Q: What are the advantages of using VIPER20ASPTR-E in LED lighting applications? A: VIPER20ASPTR-E offers high efficiency and precise output voltage control, making it suitable for driving LEDs with optimal performance and energy savings.

  10. Q: Are there any reference designs available for VIPER20ASPTR-E? A: Yes, STMicroelectronics provides reference designs and evaluation boards that showcase the application of VIPER20ASPTR-E in different power supply solutions.

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