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VIPER35HE
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VIPER35HE

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/50 units per tube

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: Adjustable from 3.3V to 48V DC
  • Output Current: Up to 1.5A
  • Switching Frequency: 60kHz to 150kHz
  • Operating Temperature Range: -40°C to +125°C
  • Protection Features: Overvoltage, Overcurrent, and Thermal Protection

Detailed Pin Configuration

The VIPER35HE has a standard TO-220 package with the following pin configuration:

  1. Drain (D): Connects to the high-voltage input supply.
  2. Source (S): Ground reference for the device.
  3. Feedback (FB): Provides feedback for output voltage regulation.
  4. VCC: Supply voltage for internal control circuitry.
  5. Enable (EN): Enables or disables the device.
  6. Output (OUT): Provides the regulated output voltage.
  7. Sense (SENSE): Connects to the output voltage sensing resistor.

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in startup current source
  • Auto-restart protection in case of fault conditions
  • Frequency jittering for reduced EMI emissions
  • Burst mode operation for low standby power consumption

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Comprehensive protection features - Compact TO-220 package for easy integration

Disadvantages: - Limited output current capability - Requires external components for complete circuit implementation

Working Principles

The VIPER35HE is a voltage regulator that operates on the principle of pulse width modulation (PWM). It uses an integrated high-voltage power MOSFET to efficiently convert the input voltage to the desired output voltage. The device incorporates various protection features such as overvoltage, overcurrent, and thermal protection to ensure safe operation.

Detailed Application Field Plans

The VIPER35HE is commonly used in various applications including:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Industrial automation equipment
  4. Telecommunication devices
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. VIPER26HD: Similar specifications with lower output current capability.
  2. VIPER50A: Higher output current capability with similar characteristics.
  3. VIPER100B: Higher output voltage range with comparable efficiency.

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van VIPER35HE in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of VIPER35HE in technical solutions:

  1. Q: What is VIPER35HE?
    A: VIPER35HE is a high-voltage converter IC designed for offline power supplies.

  2. Q: What are the key features of VIPER35HE?
    A: VIPER35HE offers high efficiency, low standby power consumption, and a wide input voltage range.

  3. Q: What applications can VIPER35HE be used in?
    A: VIPER35HE is commonly used in LED lighting, home appliances, industrial automation, and power adapters.

  4. Q: How does VIPER35HE achieve high efficiency?
    A: VIPER35HE incorporates advanced control techniques like frequency jittering and burst mode operation to maximize efficiency.

  5. Q: Can VIPER35HE handle a wide range of input voltages?
    A: Yes, VIPER35HE can operate with input voltages ranging from 85VAC to 265VAC.

  6. Q: Does VIPER35HE have built-in protection features?
    A: Yes, VIPER35HE includes various protection features such as overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Is VIPER35HE suitable for dimmable LED lighting applications?
    A: Yes, VIPER35HE supports dimming functionality and can be used in dimmable LED lighting systems.

  8. Q: Can VIPER35HE be used in battery charging applications?
    A: Yes, VIPER35HE can be utilized in battery charging applications due to its high efficiency and adjustable output voltage.

  9. Q: What is the typical output power range of VIPER35HE?
    A: VIPER35HE can deliver output power up to 15W, making it suitable for a wide range of low to medium power applications.

  10. Q: Are there any evaluation boards available for VIPER35HE?
    A: Yes, STMicroelectronics provides evaluation boards and reference designs to help developers quickly prototype and implement solutions using VIPER35HE.

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