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VIPER35HD
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VIPER35HD

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: Tube Packaging, 50 units per tube

Specifications

  • Input Voltage Range: 8V to 30V
  • Output Voltage Range: 3.3V to 28V
  • Output Current: Up to 3.5A
  • Switching Frequency: 60kHz to 200kHz
  • Operating Temperature Range: -40°C to 150°C

Detailed Pin Configuration

The VIPER35HD has the following 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 limit protection
  6. EN: Enable pin for turning on/off the regulator
  7. VSENSE: Voltage sense pin for remote voltage sensing
  8. BOOT: Bootstrap capacitor connection for high-side gate driver

Functional Features

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

Advantages and Disadvantages

Advantages: - High efficiency leading to reduced power dissipation - Wide input voltage range for versatile applications - Compact TO-220 package for easy integration - Comprehensive protection features ensure system reliability

Disadvantages: - Limited output current compared to higher-power regulators - Requires external components for proper operation

Working Principles

The VIPER35HD is an integrated switching regulator that utilizes a high-voltage power MOSFET to efficiently regulate the output voltage. It operates in a pulse-width modulation (PWM) mode, where the duty cycle of the switching signal is adjusted to maintain the desired output voltage. The regulator incorporates various protection mechanisms to safeguard against overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

The VIPER35HD finds applications in various fields, including:

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

Its wide input voltage range, adjustable output voltage, and compact package make it suitable for diverse voltage regulation requirements.

Detailed and Complete Alternative Models

  1. VIPER26HD: Similar specifications with lower output current capability
  2. VIPER50HD: Higher output current capability with similar features
  3. VIPER100HD: Higher output current capability and wider input voltage range

These alternative models offer different performance characteristics to cater to specific application needs.

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技術ソリューションにおける VIPER35HD 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 VIPER35HD in technical solutions:

  1. Q: What is VIPER35HD?
    A: VIPER35HD is a high-voltage converter IC designed for offline power supplies in various applications.

  2. Q: What are the key features of VIPER35HD?
    A: VIPER35HD offers a wide input voltage range, high efficiency, integrated protection features, and a compact package.

  3. Q: What are the typical applications of VIPER35HD?
    A: VIPER35HD is commonly used in LED lighting, home appliances, industrial automation, and power adapters.

  4. Q: How does VIPER35HD help in LED lighting applications?
    A: VIPER35HD provides efficient power conversion, dimming control, and protection features required for LED lighting systems.

  5. Q: Can VIPER35HD handle high input voltages?
    A: Yes, VIPER35HD can handle input voltages up to 800V, making it suitable for universal mains applications.

  6. Q: Does VIPER35HD have built-in protection features?
    A: Yes, VIPER35HD includes overvoltage protection, overload protection, and thermal shutdown to ensure safe operation.

  7. Q: Is VIPER35HD easy to integrate into existing designs?
    A: Yes, VIPER35HD comes in a compact package with minimal external components, making it easy to integrate into designs.

  8. Q: Can VIPER35HD operate in a wide temperature range?
    A: Yes, VIPER35HD has a wide operating temperature range of -40°C to +150°C, allowing it to work in harsh environments.

  9. Q: Does VIPER35HD support power factor correction (PFC)?
    A: Yes, VIPER35HD integrates a PFC controller, enabling power factor correction for improved energy efficiency.

  10. Q: Are there any evaluation boards or reference designs available for VIPER35HD?
    A: Yes, STMicroelectronics provides evaluation boards and reference designs to help engineers quickly implement VIPER35HD in their applications.

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