{"type":"product","schema_version":"1.0","item_id":"100562197333","canonical_url":"https://tw.bid.yahoo.com/item/100562197333","title":"DC-DC 15A同步整流大功率可調降壓高效率車載工業LED穩壓電源模組 W177","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-15T16:52:47.879Z","current_price":218,"original_price":null,"stock_status":"in_stock","available_quantity":10,"sold_quantity":0,"seller":{"id":"Y2831399681","name":"。BUY360。電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/c7adbe2c-1a66-41bd-b740-4e6041f76a38.jpg","role":"main","alt":"商品主圖","width":null,"height":null}],"description":"各位學生、老師、貿易商、工廠、電子愛好者、歡迎來本店Pi量採購、Pi發價錢請聯繫客服，謝謝大家的支持。\n\n同步整流技術簡介：\n\n同步整流是採用通態電阻極低的專用功率MOSFET，來取代整流二極體以降低整流損耗的一項新技術。它能大大提高DC/DC變換器的效率並且不存在由肖te基勢壘電壓而造成的死區電壓。功率MOSFET屬於電壓控制型器件，它在導通時的伏安te性呈線性關係。用功率MOSFET做整流器時，要求柵極電壓必須與被整流電壓的相位保持同步才能完成整流功能，故稱之為同步整流。同步整流技術就是大大減少了開關電源輸出端的整流損耗，從而提高轉換效率，降低電源本身發熱。\n\n模組參數：  \n\n模組性質：非隔離降壓模組（BUCK）同步整流\n\n輸入電壓:  4-32V 　請保留電壓餘量。\n\n輸出電壓：1.2-32V連續可調（連續可調）\n\n               1.2-32V固定輸出\n\n輸入輸出.小壓差：1V\n\n輸出電流：0-15A   長時間自然散熱10A內，溫升不超過60度，峰值可達20A。環境溫度較高時請降額使用。\n\n工作溫度：-40~+85度\n\n工作頻率：150KHz\n\n轉換效率：.高98%（效率與輸入、輸出電壓、電流、壓差有關）\n\n短路保護：有（限制電流25A) 輸入保險絲為15A\n\n超溫保護：有（超溫後自動降低輸出電流）\n\n輸入反接保護：無（如需要請在輸入串入二極體）\n\n安裝方式：4顆3mm鏍絲\n\n接線方式：接線端子，免焊接，V-IN 輸入，V-OUT 輸出\n\n模組尺寸：長60mm寬51mm高22mm\n\n應用範圍：\n\n   本模組可以應用在輸入電壓高於輸出電壓的降壓領域，如蓄電池、電源變壓器、DIY可調穩壓電源、24V車載筆計本電源、車載LED燈帶電源,工業設備降壓、12V轉3.3V，12V轉5V，24V轉5V，24V轉12V等。","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","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","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092104064","category_name":"電子零件/材料","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":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":0,"watch_count":1}