LNK6663K

Duty Cycle:	64%
Mounting Type:	Surface Mount
Supplier Device Package:	12-ESOP
Package / Case:	12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	--
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
Power (Watts):	35W
Frequency - Switching:	120kHz ~ 136kHz
Series:	LinkSwitch™-HP
Voltage - Supply (Vcc/Vdd):	--
Topology:	Flyback
Voltage - Breakdown:	650V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tube

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＜h2＞LNK6663K application field and working principle＜/h2＞The LNK6663K is a PMIC (Power Management Integrated Circuit) device that can be used to simplify and optimize the power management of a wide range of AC/DC converters and offline switcher systems. It combines advanced features such as an accurate voltage reference, a low dropout regulator, and a low power supervisor circuit into a single IC, allowing machine designers a much simpler, more efficient and cost-effective way of managing power in their systems.The LNK6663K is designed to support a variety of different AC/DC converters and offline switchers, including the widely used boost, buck, flyback, and forward converters. It is capable of supplying up to 30V of output voltage, and can do so with a peak efficiency of up to 97%. Additionally, it can also be configured to monitor, control and protect various parameters of the AC/DC conversion such as output voltage, over-current and voltage spike protection.The main advantageous of the LNK6663K is its simple and robust design, low power consumption, accurate voltage regulation and wide operating temperature range. Additionally, its integrated protection features provides superior over-voltage, over-current and short-circuit protection. This makes it ideal for use in a wide range of applications like automotive, consumer, industrial and communications equipment.In terms of its operation, the LNK6663K begins by first monitoring the input voltage condition of the system, and will then either start or reset the associated AC/DC conversion system. During the operation, the LNK6663K will perform over-voltage, over-current and short-circuit protection in order to maintain the system\'s power integrity as well as protect its components. Once the AC/DC conversion system has been properly shut down, the LNK6663K will then shift back into standby mode.In terms of design considerations, the LNK6663K is compatible with various types of AC/DC converters and offline switchers, and thus requires an additional design to sync the system components. Additionally, the device is pin compatible with the LNK5600 family of ICs, however, their different power capabilities must be taken into consideration when designing the system.Overall, the LNK6663K is an excellent device to use in a wide range of AC/DC converters and offline switcher systems. With its integrated features, the device can simplify & optimize the power management of the system, while still providing the necessary protection. Being pin compatible with the LNK5600 family also adds to the flexibility of the device, making it an excellent choice for a wide range of applications.

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