LNK6767E

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The LNK6767E is a high-performance offline current-mode AC/DC converter with enable control. It features an integrated power supply control IC consisting of 700 V power MOSFET, optimized start-up circuit, and an efficient skip-cycle current-mode control PWM IC. This product is designed for universal input voltage applications in AC/DC adapters, industrial power supplies, automotive power supplies, as well as other applications.

The LNK6767E has a simple application circuit and its high-performance, low-component count design allows for a very robust solution. It uses Skip-Cycle Control, a single-loop control method that simplifies the design process and eliminates the need for loop compensation. Skip-Cycle Control limits the output ripple by skipping a PWM cycle at light load. It also allows for a stable operation at light load with minimal design effort.

The LNK6767E is a high-performance, low-component count AC/DC converter with enable control. It features high-efficiency, fast transient response, very low no-load input power, and low side FET turn-on prevention against overvoltage. The LNK6767E also offers adjustable switching frequency (31 kHz to 500 kHz) and a wide range of operating temperature. It has very low 0.6V under-voltage lockout, low 1.2V start-up, and fixed operating frequency.

The LNK6767E application field covers AC/DC adapter and industrial supplies, automotive systems, communications, consumer electronics and general-purpose power supplies. It is an ideal solution for applications that require fast response and high system efficiency, such as LED lighting and switching power supplies.

The working principle of the LNK6767E is based on current-mode control. This control scheme is one of the simplest, most robust methods for regulating a switching power supply. It works by comparing the feedback voltage to a sawtooth reference voltage and calculates the duty cycle of the switch, which is then regulated to maintain the output voltage. The LNK6767E controller also features skip-cycle control, which skips a PWM cycle at light loads to improve efficiency, reduce output ripple, and noise. It also enables stable operation at light load.

The LNK6767E is a high-performance, low-component count current-mode AC/DC converter with enable control. It is designed for use in a wide variety of applications, such as AC/DC adapters, industrial power supplies, automotive systems, and more. It uses skip-cycle current-mode control to reduce output ripple, improve system efficiency, and enable stable operation at light loads. It also features adjustable switching frequency, fixed operating frequency, and wide operating temperature range.

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