{"type":"product","schema_version":"1.0","item_id":"100346438525","canonical_url":"https://tw.bid.yahoo.com/item/100346438525","title":"LM 2596S DC TO DC 降壓電源模組 BUCK 3A 輸出電壓可調 穩壓模組 【O-07】","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-09-04T02:34:05.974Z","current_price":17,"original_price":null,"stock_status":"out_of_stock","available_quantity":15,"sold_quantity":54,"seller":{"id":"Y1981182362","name":"龜山區電子材料","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/98188441-ec29-490e-86b7-a361f556fd02.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/57819d4a-2d3f-4547-b226-4ce7610fa03c.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null}],"description":"LM2596S DC-DC超小型可調降壓模塊IN3-40V OUT1.5-35V/ 3A\n\n \n\nIN +輸入正極IN-輸入負極！\n\n \n\nOUT+輸出正極OUT-輸出負極！\n\n輸入：直流3V至40V（輸入的電壓必須比要輸出的電壓高1.5V以上不能升壓）\n\n \n\n輸出：1.5V直流35V至電壓連續可調，高效率最大輸出電流為3A。\n\n \n\n特點：全部使用SANYO固態電容，36U加厚線路板，高Q值大功率電感帶輸出LED指示燈\n\n \n\n尺寸：45（長）* 20（寬）* 14（高）毫米（含電位器）\n\n \n\n \n\n注意事項：長時間工作建議在2.5A以內的電流使用，同時加上散熱片(10W以上輸出)；\n\n 由於是降壓模塊，為了保證輸出穩定，請保持最小1.5V壓差。\n\n \n\n \n\n電壓調節\n\n \n\n接入電源(3-40V)，調整藍色電位器旋鈕(一般順時針旋轉升壓,逆時針旋轉降壓)並用萬用表監測輸出電壓達到需要電壓為止.\n\n \n\n接線方式\n\n \n\n1.焊接，直接將電源線焊在輸入（輸出）埠;\n\n2.焊插針，可以通過引線插入插針或者插在洞洞板上使用；又或者加引腳後直接焊接在PCB上。\n\n \n\n應用例子\n\n \n\n1.車載穩壓電源，只需要將本模組輸入端接上汽車點煙嘴供電，就可以調節電位器,輸出電壓就可以在1.25-30V任意調整，為您的手機、MP3、MP4、PSP充電等許多設備供電，非常簡單方便。\n\n \n\n2.給電子設備供電，當設備需要3-35V供電而手裏對應電壓電源時，用這個模組就可以方便的把電壓調到所需電壓，解決困擾。\n\n \n\n3.系統工作電壓測試，做專案時可以使用本模組調試出各種電壓測試系統工作電壓範圍，非常輕鬆方便。","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨不付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"23453","category_name":"其他零組件","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072521","name":"電腦零組件","url":"/tw/%E9%9B%BB%E8%85%A6%E9%9B%B6%E7%B5%84%E4%BB%B6-2092072521-category.html"},{"id":"23453","name":"其他零組件","url":"/tw/%E5%85%B6%E4%BB%96%E9%9B%B6%E7%B5%84%E4%BB%B6-23453-category.html"}],"view_count":9,"watch_count":4}