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VIPER17LN

VIPER17LN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High voltage converter, energy-efficient, compact size
  • Package: DIP-8 (Dual In-line Package with 8 pins)
  • Essence: Voltage regulator and power switch
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 0.8V to 36V
  • Maximum Output Current: 700mA
  • Switching Frequency: Up to 200kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

  1. GND: Ground pin
  2. VCC: Supply voltage input
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense pin for current limiting
  5. EN/UVLO: Enable/Undervoltage lockout pin
  6. COMP: Compensation pin for stability control
  7. DRAIN: Switching transistor drain pin
  8. SOURCE: Switching transistor source pin

Functional Features

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

Advantages and Disadvantages

Advantages: - Wide input voltage range - High efficiency - Compact size - Built-in protection features - Easy to use and integrate

Disadvantages: - Limited maximum output current - Requires external components for operation - Higher cost compared to some alternatives

Working Principles

VIPER17LN is a voltage regulator and power switch IC designed for power management applications. It operates by converting a higher input voltage to a regulated lower output voltage. The IC incorporates a high-voltage startup circuit, which allows it to operate with input voltages ranging from 4.5V to 38V. It also includes various protection features such as overvoltage, overcurrent, and thermal shutdown protection.

The IC utilizes a switching transistor to regulate the output voltage efficiently. By rapidly switching the transistor on and off at a high frequency, it controls the average output voltage. This switching action reduces power dissipation and increases overall efficiency.

Detailed Application Field Plans

VIPER17LN is commonly used in various power management applications, including but not limited to: - AC-DC power supplies - LED lighting systems - Industrial automation equipment - Consumer electronics - Automotive electronics

Its compact size, wide input voltage range, and built-in protection features make it suitable for a diverse range of applications.

Detailed and Complete Alternative Models

  • VIPER16LN
  • VIPER22A
  • VIPER26LN
  • VIPER27LN
  • VIPER28LHN

These alternative models offer similar functionality and can be considered based on specific application requirements.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ VIPER17LN ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of VIPER17LN in technical solutions:

  1. Q: What is VIPER17LN?
    A: VIPER17LN is a high-voltage converter IC designed for offline power supplies.

  2. Q: What is the input voltage range of VIPER17LN?
    A: The input voltage range of VIPER17LN is typically between 85V and 265V AC.

  3. Q: What is the output voltage range of VIPER17LN?
    A: The output voltage range of VIPER17LN can be adjusted from 5V to 30V DC.

  4. Q: What is the maximum output current of VIPER17LN?
    A: The maximum output current of VIPER17LN is typically around 700mA.

  5. Q: Can VIPER17LN be used in both flyback and buck-boost converter topologies?
    A: Yes, VIPER17LN can be used in both flyback and buck-boost converter topologies.

  6. Q: Does VIPER17LN have built-in protection features?
    A: Yes, VIPER17LN has built-in features like overvoltage protection, overload protection, and thermal shutdown.

  7. Q: What is the switching frequency of VIPER17LN?
    A: The switching frequency of VIPER17LN is typically around 60kHz.

  8. Q: Is VIPER17LN suitable for low-power applications?
    A: Yes, VIPER17LN is suitable for low-power applications due to its low standby power consumption.

  9. Q: Can VIPER17LN operate in a wide temperature range?
    A: Yes, VIPER17LN can operate in a temperature range of -40°C to +150°C.

  10. Q: Are there any evaluation boards available for VIPER17LN?
    A: Yes, STMicroelectronics provides evaluation boards for VIPER17LN to facilitate its testing and implementation in technical solutions.

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