STMicroelectronics
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L6563H
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L6563H

Product Overview

Category

L6563H belongs to the category of integrated circuits (ICs).

Use

It is primarily used as a power factor corrector (PFC) controller.

Characteristics

  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Advanced protection features

Package

L6563H is available in a compact and industry-standard package, such as SO-8.

Essence

The essence of L6563H lies in its ability to regulate and improve power factor correction in various electronic devices.

Packaging/Quantity

L6563H is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input voltage range: 85VAC to 265VAC
  • Output voltage range: 400VDC to 800VDC
  • Operating temperature range: -40°C to +125°C
  • Maximum operating frequency: 300kHz
  • Maximum duty cycle: 99%

Detailed Pin Configuration

L6563H has a total of 8 pins. The pin configuration is as follows:

  1. VSENSE: Voltage sense input pin
  2. CS: Current sense input pin
  3. COMP: Compensation pin for loop stability
  4. GND: Ground reference pin
  5. VCC: Power supply input pin
  6. FB: Feedback pin for output regulation
  7. OUT: Output pin
  8. RT/CT: Timing components connection pin

Functional Features

  • High power factor correction capability
  • Constant output voltage regulation
  • Overvoltage and undervoltage protection
  • Overcurrent protection
  • Soft-start function for smooth power-up

Advantages and Disadvantages

Advantages

  • Improved power factor correction
  • Enhanced energy efficiency
  • Compact size
  • Wide input voltage range

Disadvantages

  • Requires additional external components for complete functionality
  • Limited maximum operating frequency

Working Principles

L6563H operates by regulating the power factor correction in electronic devices. It analyzes the input voltage and current waveforms, adjusts the duty cycle of the output voltage, and ensures a near-unity power factor.

Detailed Application Field Plans

L6563H finds applications in various electronic devices, including: - Switch-mode power supplies (SMPS) - LED lighting systems - Industrial motor drives - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to L6563H that offer similar functionality include: - L6562A - L6564 - L6565

These models can be considered as alternatives based on specific requirements and design considerations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L6563H v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L6563H in technical solutions:

  1. Q: What is L6563H? A: L6563H is a high-voltage resonant controller designed for offline flyback converters.

  2. Q: What are the key features of L6563H? A: The key features of L6563H include zero-voltage switching (ZVS), adjustable operating frequency, soft-start function, and protection features like overvoltage and overcurrent protection.

  3. Q: How does L6563H achieve zero-voltage switching? A: L6563H achieves ZVS by controlling the turn-on time of the power MOSFET based on the resonant tank voltage.

  4. Q: What is the operating frequency range of L6563H? A: The operating frequency range of L6563H is typically between 20 kHz and 300 kHz.

  5. Q: Can L6563H be used in both single-ended and double-ended topologies? A: Yes, L6563H can be used in both single-ended and double-ended topologies, making it versatile for various applications.

  6. Q: Does L6563H have built-in protection features? A: Yes, L6563H has built-in protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  7. Q: What is the maximum output power that L6563H can handle? A: The maximum output power that L6563H can handle depends on the specific application and the external components used. It is recommended to refer to the datasheet and design guidelines for accurate power ratings.

  8. Q: Can L6563H operate with wide input voltage ranges? A: Yes, L6563H can operate with wide input voltage ranges typically found in offline power supplies, such as 85VAC to 265VAC.

  9. Q: Does L6563H require an external driver for the power MOSFET? A: No, L6563H has an integrated high-voltage gate driver capable of driving the power MOSFET directly.

  10. Q: Are evaluation boards or reference designs available for L6563H? A: Yes, manufacturers often provide evaluation boards and reference designs to help engineers get started with L6563H-based solutions. These resources can be helpful for understanding the application and optimizing the design.

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