E-L6562D

Product Overview

Category

E-L6562D belongs to the category of integrated circuits (ICs) specifically designed for power factor correction (PFC) applications.

Use

The E-L6562D IC is primarily used in power supplies and electronic devices that require efficient power management and improved power factor correction. It enables the conversion of AC input voltage into a regulated DC output voltage with minimal distortion.

Characteristics

• High efficiency: The E-L6562D offers high power conversion efficiency, resulting in reduced energy consumption and heat dissipation.
• Power factor correction: This IC ensures that the power factor of the system remains close to unity, minimizing reactive power and improving overall power quality.
• Wide input voltage range: The E-L6562D can operate with a wide range of input voltages, making it suitable for various applications.
• Protection features: It incorporates several protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe and reliable operation.

Package

The E-L6562D is available in a compact and industry-standard package, such as a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the E-L6562D lies in its ability to provide efficient power factor correction, enabling stable and reliable power supply solutions for a wide range of electronic devices.

Packaging/Quantity

The E-L6562D is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging specifications.

Specifications

• Input voltage range: 85V - 265V AC
• Output voltage range: 12V - 24V DC
• Maximum output power: 150W
• Operating frequency: 65kHz - 115kHz
• Total harmonic distortion (THD): <5%
• Efficiency: >90%
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

The E-L6562D IC has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply voltage input
2. CS: Current sense input
3. INV: Inverting input for error amplifier
4. COMP: Compensation pin for error amplifier
5. GND: Ground reference
6. SS: Soft-start capacitor connection
7. FB: Feedback voltage input
8. VREF: Reference voltage output
9. RT/CT: Timing resistor/capacitor connection for oscillator frequency setting
10. OSC: Oscillator output
11. DRAIN: High-voltage power MOSFET drain connection
12. SOURCE: High-voltage power MOSFET source connection
13. VSENSE: Voltage sense input
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Integrated error amplifier: The E-L6562D incorporates an error amplifier that compares the feedback voltage with the reference voltage, ensuring accurate regulation of the output voltage.
• Soft-start function: It includes a soft-start capacitor connection (SS) that allows gradual ramp-up of the output voltage during startup, preventing excessive inrush current.
• Frequency modulation: The IC employs frequency modulation techniques to maintain stable operation and improve efficiency under different load conditions.
• Overvoltage protection: The E-L6562D features built-in overvoltage protection, safeguarding the system from voltage spikes or transients.

Advantages and Disadvantages

Advantages

• High power conversion efficiency reduces energy consumption and heat dissipation.
• Improved power factor correction enhances overall power quality.
• Wide input voltage range enables versatile application possibilities.
• Integrated protection mechanisms ensure safe and reliable operation.

Disadvantages

• Limited pin configuration options may restrict certain circuit designs.
• Requires careful consideration of external components for optimal performance.

Working Principles

The E-L6562D operates based on the principle of continuous conduction mode (CCM) power factor correction. It utilizes an internal error amplifier to compare the feedback voltage with the reference voltage, adjusting the duty cycle of the power MOSFET to regulate the output voltage. The IC also employs frequency modulation techniques to maintain stable operation and improve efficiency under varying load conditions.

Detailed Application Field Plans

The E-L6562D finds extensive application in various power supply systems, including:

1. Switched-mode power supplies (SMPS)
2. LED lighting systems
3. Industrial motor drives
4. Audio amplifiers
5. Telecommunication equipment
6. Consumer electronics

Detailed and Complete Alternative Models

• E-L6561D
• E-L6563D
• E-L6564D
• E-L6565D
• E-L6566D

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

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