LNK6666E

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The LNK6666E family of devices from Power Integrations is a LED driver for offline LED lighting applications. The LNK6666E is a high performance, low cost single channel, extendable LED driver designed for low-power LED lighting applications. The LNK6666E provides a low cost solution for a wide range of LED lighting applications such as spotlights, high bay lighting, outdoor lighting, and so on. The device provides a simple and efficient solution to drive LEDs up to 600V with high peak current up to 1.0A.

The LNK6666E operates in a Boost-mode to efficiently drive single series LEDs. The device starts up into a low-power 100kHz fixed-frequency operation and employs a constant-current regulation loop to regulate the current flowing through the LEDs. The accuracy of the current control loop is improved by an onboard thermal compensation circuit. Soft start and short-circuit protection are also integrated.

In order to maximize the system performance and power efficiency of the LED driver, the LNK6666E features both synchronous and non-synchronous operation. In the synchronous switching mode, the device can operate up to 1.2MHz switching frequency. In the non-synchronous mode, the device operates at the default 100kHz switching frequency. By adjusting the switching frequency, the user can optimize the system performance and efficiency. The LNK6666E also features a VCC under-voltage lockout (UVLO) circuit to prevent the device from switching on when the input voltage is below the minimum operating voltage.

The LNK6666E includes some advanced features such as over-voltage protection, overtemperature protection, and brownout protection. In addition, the device also includes an adjustable current setting and a power good signal. The LNK6666E is available in a variety of packages and can be used in a wide range of LED driver applications, such as LED street lights, LED tunnel lighting, LED panel lighting, and LED down-lighting.

The LNK6666E is part of the PMIC - AC DC Converters, Offline Switchers category of electrical components. PMICs are integrated circuits which regulate the power condition, distribution and consumption of a given circuit. PMICs are common components in electronic devices, from small automotive systems to complex communications systems. They are designed to provide a reliable and efficient power supply to an electronic system, often by using a combination of switching regulators, linear regulators and power management units.

The LNK6666E is an offline LED driver and it is typically used for applications with relatively low power and few or no other power requirements. An offline LED driver does not require a connection to the mains power supply. This makes it suitable for applications such as low-powered LED lighting, where low power and minimal cabling are important. The device is also suitable for applications where efficiency of the power supply is a priority, as it can provide up to 1.2MHz operation. Additionally, the device is protected against over-voltage, under-voltage and overtemperature, making it suitable for use in environments where high reliability is desired.

The LNK6666E is a highly capable offline LED driver with a wide range of applications and excellent performance. The device is a reliable and efficient solution for a range of LED lighting needs, including spotlights, high bay lighting, and outdoor lighting. The device is part of the PMIC - AC DC Converters, Offline Switchers family, providing a reliable power supply in a variety of electronic applications and environments.

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