LNK404EG
Product Overview
The LNK404EG belongs to the category of integrated circuits and is specifically designed for use in power supply applications. This device is known for its high efficiency, compact design, and reliable performance. The LNK404EG is typically packaged in a small outline package (SOP) and is available in various quantities to suit different production needs.
Specifications
- Input Voltage Range: 85 VAC to 265 VAC
- Output Power: Up to 5 W
- Operating Temperature Range: -40°C to 150°C
- Package Type: SOP-8C
Detailed Pin Configuration
The LNK404EG features a standard 8-pin configuration: 1. BP/EN (Brownout Protection/Enable) 2. D (Drain) 3. NC (No Connection) 4. V (Voltage) 5. G (Ground) 6. S (Sense) 7. F (Frequency) 8. FB (Feedback)
Functional Features
- Integrated MOSFET
- Advanced protection features including auto-restart and output overvoltage protection
- Frequency jittering for reduced EMI
- Accurate hysteretic thermal shutdown
Advantages and Disadvantages
Advantages - High efficiency - Compact design - Reliable performance - Comprehensive protection features
Disadvantages - Limited output power compared to some alternative models - May require additional components for specific applications
Working Principles
The LNK404EG operates on the principle of primary-side regulation, eliminating the need for an optocoupler and secondary control circuitry. It utilizes a proprietary control algorithm to achieve precise output voltage regulation while maintaining high efficiency across varying load conditions.
Detailed Application Field Plans
The LNK404EG is well-suited for a wide range of low-power applications, including but not limited to: - USB chargers - LED lighting - Standby power supplies - Home appliances
Detailed and Complete Alternative Models
For applications requiring higher output power or specific feature sets, alternative models such as LNK405EG and LNK406EG can be considered. These devices offer similar primary-side regulation capabilities with variations in output power and additional functionalities.
In conclusion, the LNK404EG offers a compelling solution for low-power, cost-sensitive power supply designs, providing high efficiency and comprehensive protection features in a compact package.
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技術ソリューションにおける LNK404EG の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure, here are 10 common questions and answers related to the application of LNK404EG in technical solutions:
Q: What is LNK404EG? A: LNK404EG is a low-power off-line switcher IC with integrated MOSFET for use in isolated and non-isolated power supplies.
Q: What are the typical applications of LNK404EG? A: LNK404EG is commonly used in applications such as LED lighting, smart home devices, auxiliary power supplies, and industrial controls.
Q: What is the input voltage range for LNK404EG? A: The input voltage range for LNK404EG is typically between 85VAC and 265VAC.
Q: What is the maximum output power that can be achieved with LNK404EG? A: LNK404EG can deliver up to 6.5W of output power in non-isolated applications and up to 3.5W in isolated applications.
Q: Is LNK404EG suitable for dimmable LED lighting applications? A: Yes, LNK404EG is suitable for dimmable LED lighting applications and can provide excellent performance in these scenarios.
Q: What are the key features of LNK404EG? A: Some key features of LNK404EG include high efficiency, low component count, auto-restart protection, and accurate hysteretic thermal shutdown.
Q: Can LNK404EG operate in a wide temperature range? A: Yes, LNK404EG is designed to operate reliably in a wide temperature range, making it suitable for various environmental conditions.
Q: Does LNK404EG require an external heat sink for thermal management? A: No, LNK404EG does not require an external heat sink for thermal management due to its built-in thermal shutdown feature.
Q: What are the recommended input and output capacitors for LNK404EG? A: The recommended input capacitor is typically in the range of 4.7μF to 22μF, while the output capacitor is usually in the range of 10μF to 47μF.
Q: Is LNK404EG compliant with safety standards and regulations? A: Yes, LNK404EG complies with international safety standards and regulations, making it suitable for use in various technical solutions.
I hope this information is helpful! Let me know if you need further assistance.