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STR-W6753
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STR-W6753

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: TO-220F-6L
  • Essence: Switching Regulator IC
  • Packaging/Quantity: Available in reels of 2,500 units

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 1.5A
  • Frequency: 60kHz
  • Operating Temperature Range: -25°C to +125°C

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for stability control
  5. DRAIN: Switching transistor drain connection
  6. SOURCE: Switching transistor source connection

Functional Features

  • Built-in high-voltage MOSFET
  • Pulse-by-pulse current limiting
  • Overload protection
  • Overvoltage protection
  • Thermal shutdown protection
  • Soft-start function

Advantages and Disadvantages

Advantages: - High efficiency conversion - Compact size - Low power consumption - Comprehensive protection features

Disadvantages: - Limited output current capacity - Restricted input voltage range

Working Principles

The STR-W6753 is a switching regulator IC that utilizes pulse width modulation (PWM) technique to regulate the output voltage. It operates by rapidly switching the internal MOSFET on and off, controlling the energy flow from the input to the output. The feedback mechanism adjusts the duty cycle of the switching signal to maintain a stable output voltage.

Detailed Application Field Plans

The STR-W6753 is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Battery chargers
  4. Industrial control systems
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. STR-W6754: Similar specifications, but with higher output current capacity (up to 2A)
  2. STR-W6755: Enhanced protection features, suitable for harsh environments
  3. STR-W6756: Wide input voltage range (70V to 400V AC), ideal for universal power supplies

Note: The above alternative models are provided as examples and may not cover all available options.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням STR-W6753 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of STR-W6753 in technical solutions:

  1. Q: What is STR-W6753? A: STR-W6753 is a power management IC (Integrated Circuit) commonly used in switch mode power supplies (SMPS) for various electronic devices.

  2. Q: What are the key features of STR-W6753? A: The key features of STR-W6753 include built-in power MOSFET, overvoltage protection, overcurrent protection, thermal shutdown, and soft-start function.

  3. Q: What is the typical input voltage range for STR-W6753? A: The typical input voltage range for STR-W6753 is between 85V AC and 265V AC.

  4. Q: Can STR-W6753 be used in offline flyback converters? A: Yes, STR-W6753 is specifically designed for offline flyback converters and can handle high-voltage applications.

  5. Q: How much power can STR-W6753 handle? A: STR-W6753 can handle power levels up to 45W, making it suitable for a wide range of low to medium power applications.

  6. Q: Does STR-W6753 require an external start-up resistor? A: No, STR-W6753 has an internal start-up circuit, eliminating the need for an external start-up resistor.

  7. Q: Is STR-W6753 compatible with both primary-side and secondary-side feedback control? A: Yes, STR-W6753 supports both primary-side and secondary-side feedback control methods, providing flexibility in design.

  8. Q: What is the maximum switching frequency of STR-W6753? A: The maximum switching frequency of STR-W6753 is typically around 132kHz.

  9. Q: Can STR-W6753 operate in a wide temperature range? A: Yes, STR-W6753 is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  10. Q: Are there any application notes or reference designs available for STR-W6753? A: Yes, the manufacturer provides application notes and reference designs that can help engineers in implementing STR-W6753 in their technical solutions.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.