STMicroelectronics
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VIPER16LD
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VIPER16LD

Product Overview

  • Category: Power Management IC
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low standby power consumption
  • Package: SO-8
  • Essence: Integrated Switching Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 3.3V to 38V
  • Switching Frequency: Up to 300 kHz
  • Maximum Output Current: 0.55A
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

  1. GND: Ground
  2. VCC: Supply Voltage
  3. FB: Feedback Pin
  4. CS: Current Sense Pin
  5. COMP: Compensation Pin
  6. DRAIN: Switching Node
  7. SOURCE: Source Pin
  8. VDD: Internal Bias Voltage

Functional Features

  • Integrated high voltage startup
  • Overvoltage protection
  • Overcurrent protection
  • Thermal shutdown
  • Soft-start function
  • Adjustable output voltage
  • Low standby power consumption

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Compact package size
  • Built-in protection features
  • Adjustable output voltage

Disadvantages

  • Limited maximum output current (0.55A)
  • Requires external components for operation

Working Principles

VIPER16LD is an integrated switching regulator that operates based on the principle of pulse width modulation (PWM). It converts the input voltage into a regulated output voltage by rapidly switching the internal power MOSFET. The feedback mechanism adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

  • Power supplies for industrial equipment
  • LED lighting applications
  • Consumer electronics
  • Home appliances
  • Automotive electronics

Detailed and Complete Alternative Models

  1. VIPER16HD: Higher maximum output current (1A)
  2. VIPER26LD: Lower standby power consumption
  3. VIPER12LD: Lower cost, lower maximum output current (0.35A)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

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10 domande e risposte comuni relative all'applicazione di VIPER16LD nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of VIPER16LD in technical solutions:

  1. Q: What is VIPER16LD?
    A: VIPER16LD is a high-voltage converter IC designed for offline flyback converters in low-power applications.

  2. Q: What is the input voltage range supported by VIPER16LD?
    A: The input voltage range supported by VIPER16LD is typically between 85V and 265V AC.

  3. Q: What is the output power range that VIPER16LD can handle?
    A: VIPER16LD can handle output power ranging from a few watts up to around 15W, depending on the specific application.

  4. Q: Can VIPER16LD be used in dimmable LED lighting applications?
    A: Yes, VIPER16LD can be used in dimmable LED lighting applications as it supports TRIAC dimming control.

  5. Q: Is VIPER16LD suitable for battery charger applications?
    A: Yes, VIPER16LD can be used in battery charger applications, especially for low-power devices such as smartphones or portable electronics.

  6. Q: Does VIPER16LD have built-in protection features?
    A: Yes, VIPER16LD includes various built-in protection features like overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Can VIPER16LD operate in a wide temperature range?
    A: Yes, VIPER16LD has a wide operating temperature range, typically from -40°C to 150°C, making it suitable for various environments.

  8. Q: What is the typical efficiency of VIPER16LD?
    A: The typical efficiency of VIPER16LD is around 85-90%, depending on the specific operating conditions and load.

  9. Q: Are there any reference designs available for VIPER16LD?
    A: Yes, STMicroelectronics provides reference designs and application notes to help engineers implement VIPER16LD in their designs.

  10. Q: Can VIPER16LD be used in both AC-DC and DC-DC converter applications?
    A: No, VIPER16LD is specifically designed for offline flyback converters in AC-DC applications and may not be suitable for DC-DC converter applications.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of each technical solution.