[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"part:st:ST1S09":3},{"part":4,"mfr":25,"docs":31,"aliases":39,"alts":47,"breadcrumbs":48,"related":54,"more_from_mfr":92},{"id":5,"pn":6,"pn_norm":6,"series":7,"package":8,"lifecycle":9,"summary":10,"params":11,"features":20,"pins":7,"updated_at":21,"category_name":22,"category_name_en":23,"category_path":24},2801,"ST1S09",null,"DFN6","active","2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification",[12,15,18],[13,14],"工作温度","-30 ~ 125 °C",[16,17],"输入电压","2.7 ~ 6 V",[19,8],"封装",[],"2026-10-10T13:01:01.608Z","DC-DC 转换器","DC-DC Converters","power.dcdc",{"slug":26,"name_en":27,"name_cn":28,"website":29,"is_domestic":30},"st","STMicroelectronics","意法半导体","https:\u002F\u002Fwww.st.com",false,[32],{"id":5,"filename":33,"title":10,"pages":34,"size_bytes":35,"lang":7,"doc_version":7,"published_at":7,"role":36,"outline_count":37,"thumb":38},"ST-ST1S09.pdf",18,388421,"datasheet",39,"\u002Fthumbs\u002F1d\u002F9f\u002F1d9f3a9449954c2ef4619bb944bd68b2782c477b8d9b17241f4bb75342ebba15.jpg",[40,43,45],{"alias_norm":41,"kind":42},"ST1S09APUR","order",{"alias_norm":44,"kind":42},"ST1S09IPUR",{"alias_norm":46,"kind":42},"ST1S09PUR",[],[49,53],{"name":50,"name_en":51,"path":52},"电源管理","Power Management","power",{"name":22,"name_en":23,"path":24},[55,58,61,64,67,70,74,77,79,82,85,88,90],{"pn_display":56,"pn_norm":56,"package":7,"summary":57},"ST1S03","1.5 A, 1.5 MHz adjustable, step-down switching regulator",{"pn_display":59,"pn_norm":59,"package":7,"summary":60},"ST1S03A","1.5 A, 1.5 MHz adjustable, with inhibit function step-down switching regulator",{"pn_display":62,"pn_norm":62,"package":7,"summary":63},"ST1S06","Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down switching regulator",{"pn_display":65,"pn_norm":65,"package":66,"summary":7},"ST1S10","DFN8",{"pn_display":68,"pn_norm":68,"package":7,"summary":69},"ST1S12XX","Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L",{"pn_display":71,"pn_norm":71,"package":72,"summary":73},"ST1S14","HSOP8","Up to 3 A step-down switching regulator",{"pn_display":75,"pn_norm":75,"package":7,"summary":76},"ST1S15","500 mA, 6 MHz synchronous step-down converter",{"pn_display":78,"pn_norm":78,"package":66,"summary":7},"ST1S30",{"pn_display":80,"pn_norm":80,"package":81,"summary":7},"ST1S31","SO8",{"pn_display":83,"pn_norm":83,"package":7,"summary":84},"ST1S32","4 A DC step-down switching regulator",{"pn_display":86,"pn_norm":86,"package":87,"summary":7},"ST1S40","HSOP-8",{"pn_display":89,"pn_norm":89,"package":87,"summary":7},"ST1S41",{"pn_display":91,"pn_norm":91,"package":7,"summary":7},"ST1S50",[93,96,99,102,104,106,109,112,115,118,121,123],{"pn_display":94,"pn_norm":94,"summary":95},"A5970AD","Up to 1 A step down-switching regulator for automotive applications",{"pn_display":97,"pn_norm":97,"summary":98},"A5970D","Up to 1 A step-down switching regulator for automotive applications",{"pn_display":100,"pn_norm":100,"summary":101},"A5972D","Up to 1.5 A step-down switching regulator for automotive",{"pn_display":103,"pn_norm":103,"summary":101},"A5973AD",{"pn_display":105,"pn_norm":105,"summary":73},"A5975D",{"pn_display":107,"pn_norm":107,"summary":108},"A5973D","Up to 2 A step-down switching regulator for automotive applications",{"pn_display":110,"pn_norm":110,"summary":111},"A5974D","Up to 2.5 A step-down switching regulator for automotive applications",{"pn_display":113,"pn_norm":113,"summary":114},"A5975AD","Up to 2.5 A step-down switching regulator for automotive",{"pn_display":116,"pn_norm":116,"summary":117},"A6902D","Up to 1 A step down switching regulator with adjustable current limit for automotive applications -",{"pn_display":119,"pn_norm":119,"summary":120},"A6985F","Automotive 38 V, 500 mA synchronous step-down switching",{"pn_display":122,"pn_norm":122,"summary":7},"A6986",{"pn_display":124,"pn_norm":124,"summary":7},"A7985A"]