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E-L6561D
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E-L6561D

Product Overview

Category

E-L6561D belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • E-L6561D is a high-performance PFC controller designed for offline applications.
  • It operates in transition mode (TM) and ensures high efficiency and low THD (total harmonic distortion).
  • The device incorporates a wide range of protection features, including overvoltage, overload, and overcurrent protection.
  • It offers precise control of the input current waveform, resulting in improved power factor correction.

Package

E-L6561D is available in a small outline package (SO-8).

Essence

The essence of E-L6561D lies in its ability to regulate and optimize the power factor in electronic devices, ensuring efficient energy usage.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specified quantity of E-L6561D ICs.

Specifications

  • Input voltage range: 85V to 265V AC
  • Output voltage range: 10V to 20V DC
  • Maximum output power: 250W
  • Operating frequency: 100kHz to 200kHz
  • Total harmonic distortion: <5%
  • Efficiency: >90%

Detailed Pin Configuration

E-L6561D features an 8-pin configuration:

  1. VCC: Power supply input
  2. COMP: Compensation pin for feedback control
  3. INV: Inverting input of the error amplifier
  4. CS: Current sense input
  5. GND: Ground reference
  6. RT/CT: Timing resistor/capacitor connection
  7. OUT: Output pin
  8. FB: Feedback pin for voltage regulation

Functional Features

  • Transition Mode Control: E-L6561D operates in transition mode, ensuring efficient power factor correction and reduced THD.
  • Overvoltage Protection: The device incorporates overvoltage protection to safeguard the circuit from voltage spikes.
  • Overload Protection: E-L6561D includes overload protection to prevent excessive current flow.
  • Overcurrent Protection: The IC features overcurrent protection to safeguard against excessive current levels.

Advantages and Disadvantages

Advantages

  • High-performance PFC controller for improved power factor correction.
  • Wide range of protection features for enhanced reliability.
  • Compact package size for space-constrained applications.
  • Efficient energy usage resulting in reduced power consumption.

Disadvantages

  • Limited output power capability (maximum 250W).
  • Requires additional external components for complete power factor correction implementation.

Working Principles

E-L6561D utilizes transition mode control to regulate the input current waveform. It compares the feedback voltage with a reference voltage and adjusts the duty cycle of the internal oscillator accordingly. This ensures that the input current follows the shape of the input voltage, resulting in improved power factor correction.

Detailed Application Field Plans

E-L6561D finds extensive application in various electronic devices, including:

  1. Switching power supplies
  2. LED lighting systems
  3. Motor drives
  4. Industrial equipment
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. E-L6562D: Similar to E-L6561D, but with higher output power capability (up to 400W).
  2. E-L6563D: Enhanced version with additional protection features and wider operating frequency range.
  3. E-L6564D: Designed for high-power applications, offering an output power capability of up to 500W.

These alternative models provide similar functionality to E-L6561D while catering to different power requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi E-L6561D dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of E-L6561D in technical solutions:

Q1: What is E-L6561D? A1: E-L6561D is a specific integrated circuit (IC) designed for power factor correction (PFC) applications.

Q2: What is power factor correction (PFC)? A2: Power factor correction is a technique used to improve the efficiency of electrical systems by reducing reactive power and improving the power factor.

Q3: What are the main features of E-L6561D? A3: The main features of E-L6561D include high voltage startup, current mode control, adjustable switching frequency, and built-in protections.

Q4: How does E-L6561D help in power factor correction? A4: E-L6561D provides control and regulation of the power factor correction stage, ensuring efficient energy transfer and compliance with power quality standards.

Q5: What are the typical applications of E-L6561D? A5: E-L6561D is commonly used in various applications such as switch-mode power supplies, LED drivers, battery chargers, and other systems requiring power factor correction.

Q6: How does E-L6561D achieve high voltage startup? A6: E-L6561D incorporates a high voltage startup circuit that allows it to start up directly from the rectified mains voltage without requiring an auxiliary power supply.

Q7: Can the switching frequency of E-L6561D be adjusted? A7: Yes, the switching frequency of E-L6561D can be adjusted using external components to optimize performance based on the specific application requirements.

Q8: What built-in protections does E-L6561D offer? A8: E-L6561D includes built-in protections such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to safeguard the system from faults and abnormal conditions.

Q9: Is E-L6561D suitable for both low power and high power applications? A9: Yes, E-L6561D is designed to handle a wide range of power levels, making it suitable for both low power and high power applications.

Q10: Are there any application notes or reference designs available for E-L6561D? A10: Yes, the manufacturer of E-L6561D provides application notes and reference designs that can help engineers in implementing the IC effectively in their technical solutions.

Please note that the answers provided here are general and may vary based on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information and guidelines.