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TOP202YN
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TOP202YN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low standby power, compact size
  • Package: TO-220
  • Essence: Switching Regulator Controller
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage Range: 5V to 24V DC
  • Switching Frequency: 100kHz to 500kHz
  • Maximum Output Power: 30W
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TOP202YN IC has the following pin configuration:

  1. VCC: Power supply 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. DRAIN: Switching transistor drain connection
  7. SOURCE: Switching transistor source connection

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in frequency jittering for reduced EMI
  • Cycle-by-cycle current limit protection
  • Over-temperature and over-voltage protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low standby power consumption - Compact size for space-constrained applications - Wide input voltage range for universal compatibility

Disadvantages: - Limited maximum output power of 30W - Requires external components for complete power supply design

Working Principles

The TOP202YN is a switching regulator controller that utilizes pulse width modulation (PWM) to regulate the output voltage. It operates by rapidly switching the power MOSFET on and off, controlling the energy transfer from the input to the output. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output.

Detailed Application Field Plans

The TOP202YN is commonly used in various power management applications, including:

  1. AC-DC power supplies for consumer electronics
  2. LED lighting drivers
  3. Industrial control systems
  4. Telecom and networking equipment
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. TOP204YN: Similar specifications with enhanced protection features
  2. TOP203YN: Lower maximum output power but lower cost option
  3. TOP201YN: Lower input voltage range but higher efficiency

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

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10個與TOP202YN在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of TOP202YN in technical solutions:

  1. Q: What is TOP202YN? A: TOP202YN is a high-performance integrated switcher used for power management applications.

  2. Q: What is the input voltage range of TOP202YN? A: The input voltage range of TOP202YN is typically between 7V and 52V.

  3. Q: What is the output voltage range of TOP202YN? A: The output voltage range of TOP202YN can be adjusted from 2.5V to 60V.

  4. Q: What is the maximum output current of TOP202YN? A: The maximum output current of TOP202YN is typically around 2A.

  5. Q: Can TOP202YN be used in both step-up (boost) and step-down (buck) configurations? A: Yes, TOP202YN can be used in both step-up and step-down configurations, making it versatile for various applications.

  6. Q: Does TOP202YN have built-in protection features? A: Yes, TOP202YN includes built-in protection features such as thermal shutdown, cycle-by-cycle current limiting, and overvoltage protection.

  7. Q: What is the switching frequency of TOP202YN? A: The switching frequency of TOP202YN is typically around 100kHz.

  8. Q: Can TOP202YN operate in continuous or discontinuous mode? A: TOP202YN can operate in both continuous and discontinuous mode, depending on the load conditions.

  9. Q: Is TOP202YN suitable for battery-powered applications? A: Yes, TOP202YN is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  10. Q: What are some typical applications of TOP202YN? A: Some typical applications of TOP202YN include power supplies for industrial equipment, telecom systems, consumer electronics, and automotive electronics.

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