Power Integrations

LNK6427D  

AC DC Converters, Offline Switches

LNK6427D Description

The LNK6427D is an advanced offline switch IC designed for flyback topology, offering a robust and efficient solution for power management applications. Manufactured by Power Integrations, this device is engineered to deliver high performance and reliability in a surface mount package. With a breakdown voltage of 725V and a maximum power output of 7.5 watts, the LNK6427D is well-suited for applications requiring high efficiency and compact design.

LNK6427D Features

• Topology: Flyback
• Mounting Type: Surface Mount
• Voltage - Breakdown: 725V
• Internal Switch(s): Yes
• Power (Watts): 7.5 W
• Fault Protection: Current Limiting, Open Loop, Over Temperature, Short Circuit
• Frequency - Switching: Up to 85kHz
• Duty Cycle: 55%
• Package: Tube
• Output Isolation: Isolated
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001
• REACH Status: REACH Unaffected
• RoHS Status: RoHS Compliant

The LNK6427D features comprehensive fault protection mechanisms, including current limiting, open loop, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions. Its switching frequency of up to 85kHz allows for high-frequency operation, which is essential for achieving compact designs and high efficiency. The device also supports a duty cycle of 55%, providing flexibility in power delivery.

LNK6427D Applications

The LNK6427D is ideal for a wide range of power management applications, particularly those requiring high efficiency and compact form factors. Its flyback topology and surface mount design make it suitable for applications such as:

• Consumer Electronics: Power supplies for smartphones, tablets, and other portable devices.
• Industrial Equipment: Power modules for industrial control systems and instrumentation.
• Medical Devices: Power supplies for medical equipment where high reliability and isolation are critical.
• Telecommunications: Power supplies for networking equipment and base stations.

The device's high breakdown voltage and internal switch capabilities make it particularly suitable for applications where space constraints and high power density are key considerations. Additionally, the LNK6427D's compliance with REACH and RoHS standards ensures that it meets stringent environmental and safety regulations, making it a preferred choice for environmentally conscious designs.

Conclusion of LNK6427D

The LNK6427D from Power Integrations stands out as a versatile and reliable offline switch IC for flyback topology applications. Its high breakdown voltage, internal switch, and comprehensive fault protection mechanisms make it an excellent choice for power management systems requiring high efficiency and compact design. The device's compliance with industry standards such as REACH and RoHS further enhances its appeal for modern, environmentally friendly designs. Whether used in consumer electronics, industrial equipment, or medical devices, the LNK6427D delivers exceptional performance and reliability, making it a standout solution in the power management market.

LNK6427D Documents

Download datasheets and manufacturer documentation for LNK6427D

PCN Part Status Change :

Shipment Packaging Change 17/Sep/2019      

PCN Assembly/Origin :

Mult Dev MFg Site Add 12/Sep/2018      

Datasheets :

LinkSwitch-3 Family