L6563STR

Product Overview

Category: Integrated Circuit (IC)
Use: Power Factor Correction (PFC) controller
Characteristics: High efficiency, low standby power consumption
Package: TO-220
Essence: PFC controller for AC/DC power supplies
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

Input Voltage Range: 85V to 265V AC
Output Voltage: Adjustable
Operating Frequency: 100kHz to 200kHz
Maximum Duty Cycle: 98%
Protection Features: Overvoltage, overcurrent, and overtemperature protection

Detailed Pin Configuration

The L6563STR has the following pin configuration:

VCC: Power supply voltage input
CS: Current sense input
INV: Inverting input of the error amplifier
COMP: Compensation network connection point
GND: Ground reference
RT/CT: Timing resistor and capacitor connection point
SS/TRI: Soft-start/tri-state control
FB: Feedback voltage input
OUT: Output voltage

Functional Features

High power factor correction capability
Accurate current sensing for precise control
Soft-start function for smooth startup
Tri-state control for system protection
Overvoltage, overcurrent, and overtemperature protection

Advantages and Disadvantages

Advantages

High efficiency power factor correction
Low standby power consumption
Accurate current sensing for precise control
Comprehensive protection features

Disadvantages

Limited operating frequency range
Requires external timing components

Working Principles

The L6563STR is a power factor correction controller designed for AC/DC power supplies. It operates by regulating the input current waveform to achieve a high power factor and reduce harmonic distortion. The controller uses an error amplifier, feedback loop, and compensation network to maintain stable output voltage and accurate current control. It also incorporates protection features to safeguard the system from overvoltage, overcurrent, and overtemperature conditions.

Detailed Application Field Plans

The L6563STR is commonly used in various applications, including:

Switched-mode power supplies (SMPS)
LED lighting systems
Industrial power equipment
Consumer electronics
Telecommunications equipment

Detailed and Complete Alternative Models

L6563HTR: Similar to L6563STR but in a different package (TO-220FP)
L6563S: Lower power version with reduced specifications
L6563G: Higher power version with enhanced specifications

These alternative models provide flexibility for different design requirements and power levels.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L6563STR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L6563STR in technical solutions:

Q: What is L6563STR? A: L6563STR is a high-performance transition mode PFC controller IC used for power factor correction in AC-DC power supplies.
Q: What is the purpose of using L6563STR in technical solutions? A: L6563STR helps improve power factor, reduce harmonic distortion, and increase overall efficiency in AC-DC power supply designs.
Q: What is the input voltage range supported by L6563STR? A: L6563STR supports an input voltage range from 85V to 265V AC.
Q: Can L6563STR be used in both single-phase and three-phase applications? A: Yes, L6563STR can be used in both single-phase and three-phase applications.
Q: How does L6563STR achieve power factor correction? A: L6563STR uses a boost converter topology with continuous conduction mode (CCM) operation to achieve power factor correction.
Q: What is the maximum switching frequency supported by L6563STR? A: The maximum switching frequency supported by L6563STR is typically 300 kHz.
Q: Does L6563STR have built-in protection features? A: Yes, L6563STR includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can L6563STR be used in high-power applications? A: Yes, L6563STR can be used in high-power applications as it supports output power levels up to several hundred watts.
Q: Are there any design considerations when using L6563STR? A: Yes, some design considerations include proper component selection, layout optimization, and thermal management to ensure reliable operation.
Q: Are there any application notes or reference designs available for L6563STR? A: Yes, the manufacturer of L6563STR provides application notes and reference designs that can help with the implementation of this IC in various technical solutions.

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