BUY STR-X6759 https://www.utsource.net/itm/p/6452644.html

STR-X6759 is an integrated circuit (IC) manufactured by Sanken Electric Co., Ltd. It is a 7-pin TO-3P-7 package power supply IC designed for use in audio power amplifiers. It features a built-in thermal shut-down circuit, over-current protection circuit, and over-voltage protection circuit. It also features a low standby current and a high efficiency power supply. This IC is suitable for use in audio power amplifiers, car audio power amplifiers, and other audio applications. (For reference only)