DC output power supply anti-interference integrated circuit system

The invention discloses an anti-interference integrated circuit system of a direct current output power supply, and relates to a circuit system, the anti-interference integrated circuit system comprises an IC chip, the IC chip is fixed on a mounting structure through a crimping part, the crimping part comprises a packaging shell, a chip groove is formed in the packaging shell, the chip groove is rectangular, transverse pressing plate parts are symmetrically arranged in the transverse direction of the chip groove, and the transverse pressing plate parts are arranged in the packaging shell. The chip groove is longitudinally and symmetrically provided with longitudinal pressing plate pieces, the bottom of the packaging shell is provided with output pins, the pressing ends of the transverse pressing plate pieces and the longitudinal pressing plate pieces are located above the output pins, the transverse pressing plate pieces and the longitudinal pressing plate pieces are the same in structure, and the pressing ra