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LNK614PG
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Over-temperature protection - Over-voltage protection - Short-circuit protection
Package: DIP-7 (Dual In-line Package)
Essence: LNK614PG is a power management integrated circuit designed to provide efficient and reliable power solutions for various electronic devices.
Packaging/Quantity: LNK614PG is typically sold in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 85V AC to 265V AC
- Output Voltage: 5V DC
- Output Current: Up to 200mA
- Operating Temperature Range: -40°C to +150°C
- Storage Temperature Range: -55°C to +150°C
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground reference
- BP/MODE: Feedback pin for current limit programming
- FB: Feedback pin for output voltage regulation
- DRAIN: High-voltage power MOSFET drain connection
- SOURCE: High-voltage power MOSFET source connection
- VCC: Supply voltage for internal control circuitry
Functional Features
- Primary-side control eliminates the need for an optocoupler and secondary-side feedback components
- Auto-restart protection feature ensures continuous operation in case of fault conditions
- Frequency jittering reduces EMI emissions
- Built-in thermal shutdown protection prevents damage due to excessive temperature
- Cycle-by-cycle current limit provides accurate and reliable current regulation
Advantages
- Simplified design with fewer external components
- Enhanced safety features ensure reliable operation
- High efficiency results in reduced power consumption
- Wide input voltage range allows for global compatibility
- Compact size enables space-saving designs
Disadvantages
- Limited output current may not be suitable for high-power applications
- DIP-7 package may require additional PCB space compared to smaller packages
Working Principles
LNK614PG utilizes primary-side control, where the feedback signal is obtained directly from the primary side of the power transformer. This eliminates the need for an optocoupler and secondary-side feedback components, simplifying the design and reducing costs. The IC operates by regulating the duty cycle of the power MOSFET based on the feedback signal, ensuring a stable output voltage.
Detailed Application Field Plans
LNK614PG is commonly used in various low-power electronic devices, including but not limited to: - LED lighting systems - Home appliances - Industrial controls - Consumer electronics - Power adapters
Detailed and Complete Alternative Models
- LNK616PG: Similar to LNK614PG with higher output current capability (up to 400mA)
- LNK613PG: Similar to LNK614PG with lower output current capability (up to 100mA)
- LNK615PG: Similar to LNK614PG with additional features such as adjustable output voltage
These alternative models provide flexibility in choosing the appropriate IC based on specific application requirements.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de LNK614PG em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of LNK614PG in technical solutions:
Q: What is LNK614PG? A: LNK614PG is a highly integrated, offline switcher IC designed for low-power applications.
Q: What are the typical applications of LNK614PG? A: LNK614PG 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 LNK614PG? A: LNK614PG supports an input voltage range of 85VAC to 265VAC.
Q: What is the output power range that LNK614PG can handle? A: LNK614PG can handle an output power range of up to 6W.
Q: Does LNK614PG require an external heat sink for thermal management? A: No, LNK614PG does not require an external heat sink as it has built-in thermal protection features.
Q: Can LNK614PG operate in a wide temperature range? A: Yes, LNK614PG is designed to operate in a wide temperature range from -40°C to +150°C.
Q: Does LNK614PG support dimming functionality for LED lighting applications? A: Yes, LNK614PG supports both analog and PWM dimming for LED lighting applications.
Q: Is LNK614PG compliant with safety standards? A: Yes, LNK614PG is compliant with various safety standards such as UL, CE, and ENEC.
Q: Can LNK614PG be used in isolated or non-isolated designs? A: LNK614PG can be used in both isolated and non-isolated designs, providing flexibility in application design.
Q: What are the key advantages of using LNK614PG in technical solutions? A: Some key advantages of using LNK614PG include high efficiency, low standby power consumption, compact size, and built-in protection features.
Please note that these answers are general and may vary depending on specific application requirements.