L6562N

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L6562N

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IC PFC CTLR TRANSITION 1MHZ 8DIP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
ProductStatus Obsolete
Mode Discontinuous (Transition)
Frequency-Switching 1MHz
Current-Startup 40 µA
Voltage-Supply 10.3V ~ 22V
OperatingTemperature -25°C ~ 125°C
MountingType Through Hole
Package/Case 8-DIP (0.300, 7.62mm)

Tổng quan

Description

L6562N is a specific semiconductor component typically used in power management and motor control applications. It is manufactured by STMicroelectronics and functions as a high-performance power factor correction (PFC) controller. This IC is commonly used to improve the efficiency and power quality of electronic devices by ensuring that the power drawn from the mains is sinusoidal and in phase with the voltage, which reduces harmonic distortion and enhances energy efficiency.
Key features of the L6562N include its transition mode operation, which ensures optimal efficiency across varying load conditions, and its ability to operate at a wide range of input voltages. It also integrates over-voltage, under-voltage, and over-temperature protection mechanisms to enhance reliability and safety. The L6562N is often used in applications such as switch-mode power supplies, electronic ballasts, and adapters. Its compact size and robust performance make it a popular choice for engineers looking to design energy-efficient and compliant power systems.

Equivalent

The L6562N is a transition-mode Power Factor Correction (PFC) controller. Equivalent products include the ON Semiconductor NCP1653, Texas Instruments' UCC28019, and Fairchild's FAN6961. These components offer similar functionality for power factor correction in various power supply applications. Always refer to the datasheets for specific feature comparisons and compatibility.

Features

The L6562N is a power factor correction (PFC) controller IC designed for boost converters in power supply applications. Key features include:
1. Transition Mode Operation: Optimizes performance for medium power levels, reducing switching losses.
2. High PF Accuracy: Achieves near-unity power factor, which enhances efficiency and reduces harmonic distortion.
3. Wide Input Voltage Range: Suitable for universal input applications.
4. Overvoltage Protection: Safeguards against excessive voltage levels.
5. Undervoltage Lockout (UVLO): Ensures safe operation by preventing start-up under low voltage conditions.
6. Low Start-Up Current: Minimizes energy consumption when the device is powered up.
7. Internal Starter Circuit: Simplifies design by reducing external component count.
8. Programmable Soft Start: Allows for controlled ramp-up of output voltage.
9. Built-in Multipliers: Enhance the regulation and stability of power factor correction.
10. Compact Packaging: Available in DIP-8 package, facilitating easy integration into designs.
These features make the L6562N ideal for improving the efficiency and reliability of power supplies in consumer electronics, lighting, and industrial applications.

Pinout

The L6562N is an 8-pin transition-mode Power Factor Correction (PFC) controller IC. Here is a brief overview of its pin functions:
1. INV (Pin 1): Inverting input of the error amplifier. Used for voltage feedback.
2. COMP (Pin 2): Output of the error amplifier. Connect compensation network here.
3. MULT (Pin 3): Input for the multiplier. Provides input voltage sensing.
4. CS (Pin 4): Current sense input. Used for peak current sensing.
5. ZCD (Pin 5): Zero current detection input. Helps in transition mode operation.
6. GND (Pin 6): Ground. Common return for all signals and power.
7. GD (Pin 7): Gate driver output. Drives the gate of the external power MOSFET.
8. VCC (Pin 8): Supply voltage input. Powers the IC.
The L6562N is utilized in PFC pre-regulators to improve power factor and reduce harmonics in AC-DC power supplies, enhancing efficiency and performance.

Manufacturer

The L6562N is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. The company serves a variety of industries, including automotive, industrial, personal electronics, communications equipment, and computers. As a leading player in the semiconductor industry, STMicroelectronics focuses on innovation and offers solutions in areas such as microcontrollers, power management, sensors, and digital ICs.

Application

The L6562N is a Power Factor Correction (PFC) controller, commonly used in applications requiring improved power quality and efficiency. Key application areas include:
1. Switch-Mode Power Supplies (SMPS): Enhances power factor and reduces harmonic distortion.
2. LED Drivers: Provides efficient power conversion and compliance with power factor regulations.
3. Telecommunication Equipment: Improves system efficiency and reliability.
4. Industrial and Commercial Lighting: Supports energy-efficient lighting solutions.
5. Appliances: Helps in meeting energy efficiency standards and reducing energy consumption.
Its versatility in handling a wide range of input voltages and providing high-performance power factor correction makes it suitable for various power electronics systems.

Package

The L6562N is typically available in an 8-pin Dual In-Line Package (DIP-8).

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