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BUY TOP209P https://www.utsource.net/itm/p/955240.html
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TOP209P is a high-performance, low-cost, low-power, off-line, fixed-frequency, current-mode PWM controller. It is designed for use in off-line, DC-DC converters and other power supply applications. Features: * Low start-up current * Low operating current * Low standby power consumption * Low cost * Fixed frequency current mode control * Internal leading edge blanking * Internal soft start * Internal over-voltage protection * Internal over-current protection Applications: * Off-line converters * DC-DC converters * Power supplies * Battery chargers * Motor control (For reference only)