AP3772ANK6TR-G1-2

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AP3772ANK6TR-G1-2 is a dedicated power management integrated circuit (PMIC) designed to provide a stable power solution for LED lighting system, such as LED driver, panel LED light and LED ceiling light. It is a highly integrated, efficient and low cost solution for LED lighting system.

Application Field

AP3772ANK6TR-G1-2 is dedicated for LED lighting system. It integrates MOSFET control, inductor current control, soft start, output current sense, and maximum current protection in a single chip. It can provide a simple and cost efficient power solution for high power LED lighting system.

The AP3772ANK6TR-G1-2 is specially designed for AC to DC converter, such as offline switchers, to provide a reliable and robust power solution. It can drive N-channel MOSFET with up to 4A peak current and 420V absolute maximum voltage. It can operate in a wide operating temperature range between -40C and +105C.

It provides a constant peak current output and wide dimming control range for high power LED system. It is designed for high power operation and its optimized switching frequency allows for a smaller transformer size, inductor and drain capacitance. It also significantly reduces system components count and board area.

Working Principle

AP3772ANK6TR-G1-2 operates with a constant peak current control which provides constant LED current despite changing load or input voltage. It features a fixed switching frequency of 200 kHz, allowing for a smaller transformer size, inductor and drain capacitance. It integrates a programmable current loop for output current regulation, eliminating the need for input current sensing.

The AP3772ANK6TR-G1-2 uses an internal voltage loop to detect the output voltage and maintain an accurate output voltage regardless of input changes. It provides a soft start to avoid surge current during start up and a programmable current limit protection to protect the MOSFET from being damaged. It also supports dimming control of the output current with a wide range of PWM dimming for LED lighting applications.

The AP3772ANK6TR-G1-2 is designed with an internal clock to prevent the power supply from entering an abnormal mode due to deviation of the external clock. Its standby control allows the user to reduce the current consumption in the standby mode and provides the best performance during normal operation. It also integrates an internal temperature monitor that automatically shut down the chip if the temperature exceeds the programmed temperature limit.

The AP3772ANK6TR-G1-2 is an efficient and cost effective single-chip solution for AC/DC converter offline switchers. It combines a low component count and small board area with a high efficiency and reliable operation. It is an ideal solution for LED lighting systems, providing constant LED current, wide dimming range and a robust power solution.

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