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BUY UC3853D https://www.utsource.net/itm/p/483274.html
Quad exclusive OR gate
The UC3853D is a high performance current mode controller designed for off-line and DC-to-DC converter applications. It is capable of controlling the output voltage of a switching power supply over a wide range of output power levels. Description: The UC3853D is a high performance current mode controller designed for off-line and DC-to-DC converter applications. It is capable of controlling the output voltage of a switching power supply over a wide range of output power levels. The device features a wide operating frequency range, low start-up current, and a low operating current. It also features a wide range of protection features, including over-voltage, under-voltage, over-current, and short-circuit protection. Features: Wide operating frequency range Low start-up current Low operating current Over-voltage, under-voltage, over-current, and short-circuit protection Internal soft-start Internal current limit Internal thermal shutdown Internal VCC under-voltage lockout Applications: Off-line and DC-to-DC converter applications Switching power supplies Motor control applications Battery charging applications (For reference only)