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LNK458KG-TL
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - Low power consumption - High efficiency - Wide input voltage range - Over-temperature protection - Short-circuit protection
Package: TO-220
Essence: LNK458KG-TL is a power management integrated circuit designed for efficient power conversion in various applications.
Packaging/Quantity: The LNK458KG-TL is available in a TO-220 package and is typically sold in reels of 1000 units.
Specifications
The LNK458KG-TL has the following specifications:
- Input Voltage Range: 85V to 265V AC
- Output Voltage: 5V DC
- Output Current: Up to 1A
- Efficiency: >85%
- Operating Temperature Range: -40°C to +125°C
- Package Type: TO-220
- Pin Count: 5
Detailed Pin Configuration
The LNK458KG-TL has the following pin configuration:
- VCC: Power supply input
- GND: Ground reference
- FB: Feedback pin for output voltage regulation
- Drain: High-voltage power MOSFET drain connection
- Sense: Current sense input for control loop
Functional Features
The LNK458KG-TL offers the following functional features:
- Primary-side sensing and regulation
- Constant output voltage
- Over-temperature protection
- Auto-restart protection mode
- Frequency jittering for reduced EMI
Advantages and Disadvantages
Advantages: - High efficiency leading to energy savings - Compact size and easy integration - Reliable over-temperature and short-circuit protection - Wide input voltage range for versatile applications
Disadvantages: - Limited output current capacity - Requires external components for complete power supply design
Working Principles
The LNK458KG-TL operates on the principle of primary-side sensing and regulation. It uses a high-voltage power MOSFET to convert the input AC voltage to a regulated DC output voltage. The feedback pin (FB) is used to regulate the output voltage, ensuring a constant and stable supply. The IC also incorporates various protection mechanisms such as over-temperature and short-circuit protection to ensure safe operation.
Detailed Application Field Plans
The LNK458KG-TL is commonly used in the following applications:
- Power supplies for consumer electronics
- LED lighting systems
- Industrial control systems
- Home appliances
- Battery chargers
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the LNK458KG-TL are:
- LNK457KG-TL
- LNK456KG-TL
- LNK455KG-TL
- LNK454KG-TL
- LNK453KG-TL
These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.
In conclusion, the LNK458KG-TL is a power management IC designed for efficient power conversion. With its wide input voltage range, high efficiency, and built-in protection features, it finds applications in various fields such as consumer electronics, LED lighting, and industrial control systems.
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10 domande e risposte comuni relative all'applicazione di LNK458KG-TL nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of LNK458KG-TL in technical solutions:
Q: What is LNK458KG-TL? A: LNK458KG-TL is a highly integrated, offline switcher IC designed for low-power applications.
Q: What are the typical applications of LNK458KG-TL? A: LNK458KG-TL is commonly used in applications such as LED lighting, smart home devices, industrial controls, and consumer electronics.
Q: What is the input voltage range supported by LNK458KG-TL? A: LNK458KG-TL supports an input voltage range of 85VAC to 265VAC.
Q: What is the maximum output power that can be achieved with LNK458KG-TL? A: The maximum output power depends on the specific design and application, but typically ranges from 5W to 15W.
Q: Does LNK458KG-TL require an external MOSFET? A: No, LNK458KG-TL integrates a high-voltage MOSFET, eliminating the need for an external one.
Q: Can LNK458KG-TL operate in a wide temperature range? A: Yes, LNK458KG-TL is designed to operate reliably in a temperature range of -40°C to +150°C.
Q: Does LNK458KG-TL have built-in protection features? A: Yes, LNK458KG-TL includes various protection features like over-temperature protection, output short-circuit protection, and open-loop protection.
Q: Is LNK458KG-TL compliant with safety standards? A: Yes, LNK458KG-TL is compliant with international safety standards such as UL, CE, and ENEC.
Q: Can LNK458KG-TL be used in dimmable lighting applications? A: Yes, LNK458KG-TL supports both leading-edge and trailing-edge dimming techniques for dimmable lighting solutions.
Q: Are there any reference designs available for LNK458KG-TL? A: Yes, the manufacturer provides reference designs and application notes to help engineers implement LNK458KG-TL in their technical solutions.
Please note that these answers are general and may vary depending on the specific requirements and design considerations of each application.