LNK562PG

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PMIC - AC DC Converters, Offline Switchers are designed to convert alternating current (AC) power supply into direct current (DC) power supply and provide offline switching controllers which helps in controlling power supply to electrical devices and circuits. The LNK562PG is one such application which enables efficient power management and performs switching control in off-line applications such as energy-saving lamps, outdoor lamps, and street lamps.

The LNK562PG is a highly efficient and cost effective current-mode PWM controller which makes use of an integrated MOSFET to control its switching operation. The device incorporates a low turn-off threshold voltage and low start-up current which enables efficient power saving and performance upgradation. The device further provides under-voltage lockout protection, over-temperature protection, and short-circuit protection for safe operation.

The LNK562PG is a high frequency, fixed frequency PWM controller and provides low-ripple current sensing method for accurate power output. It has a high voltage operating range of up to 180V and provides isolated control for better user experience. The total harmonic distortion (THD) of the device is below 20% with a wide operating temperature range of -40 degC to +105 degC. The device supports multiple modes such as single ended, quasi-resonant, BM (burst mode), CPS (constant power supply) and hysteretic PFC.

The working principle of the LNK562PG is based on the current-mode control technique which helps in achieving high stable performance and efficient power output. The device uses an integrated MOSFET as its control element which enables a low start-up current and accurate voltage control. The device supports multiple modes such as single ended, quasi-resonant, BM (burst mode), CPS (constant power supply) and hysteretic PFC which enable the efficient usage of power.

The LNK562PG can be used in a variety of applications such as off-line power factor correction (PFC), power grid connected applications, energy-saving lamps, outdoor lamps, street lamps and smart meters. The device can also be used for other applications such as off-line switching power supplies and isolated DC-DC converters.

The LNK562PG application field and working principle can be summarized as following:

• The LNK562PG is a high frequency, fixed frequency PWM controller and provides low-ripple current sensing method for accurate power output.
• The device uses an integrated MOSFET as its control element which enables a low start-up current and accurate voltage control.
• The device supports multiple modes such as single ended, quasi-resonant, BM (burst mode), CPS (constant power supply) and hysteretic PFC.
• The device can be used in a variety of applications such as off-line PFC, power grid connected applications, smart meters, off-line switching power supplies and isolated DC-DC converters.

The LNK562PG has been designed for efficient power management and accurate voltage control. The device has a wide operating temperature range and provides efficient switching and under-voltage lockout protection. The device promotes robust, reliable and cost effective operation in a variety of power applications such as energy-saving lamps, outdoor lamps and street lamps.

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