LNK353GN

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The LNK353GN is a high efficiency integrated offline switcher for flyback converters that offers improved system reliability, reduced component count, smaller size, and performance optimization.

The LNK353GN is an integrated Flyback offline switcher IC of AC-DC converters for Power Management Integrated Circuit (PMIC) applications. This IC operates in forward switching topology to reduce component count and size, which results in improved system performance and higher power conversion efficiency.

The LNK353GN is designed to reduce component count and complexity since it integrates the primary side power switch, high voltage start-up, leading edge modulation, current limit, and cycle-by-cycle current limiting.

The LNK353GN is ideal for use in lighting and other low power AC-DC applications. It has an internal 650 Volt avalanche rated MOSFET, which improves system efficiency and reliability.

The LNK353GN operates in leading edge modulation scheme, which provides for efficient power conversion and accurate, stable, and repeatable output voltage. The device also features a built-in leading edge blanking (LEB) circuit, which reduces ringing during power transition.

The LNK353GN is protected by an internal voltage clamp, which turns off the primary side MOSFET, should an over voltage condition occur. Additionally, the device also features an adjustable current limitation, which provides protection against overload.

The LNK353GN further reduces system complexity by providing a fault output line, which can be used to detect and alert for faults, including short circuit and open load conditions.

The device also has an integrated soft start function, which helps reduce start-up surge current and facilitate system compliance to EMI regulations. It also features a unique self-protection mechanism, which sends an invisibly encoded signal to the primary side, which turns off the power switch to protect the device and system from external problems.

The LNK353GN also has a power save mode for improved light load efficiency, which is enabled through pin connecting the power save pin to PWM input. This mode helps reduce system power consumption and increase system efficiency.

In conclusion, the LNK353GN is an ideal choice for low power applications such as lighting and others, and offers superior system performance and reliability.

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