可调稳压电源电路原理图

BOBVIP体育еҮж¬ҫзЁіеҺӢз”өжәҗз”өи·Ҝеӣҫ(еӣҫж–Ү)жң¬ж–ҮжҗңзҪ—дәҶзЁіеҺӢз”өжәҗгҖҒDCDCиҪ¬жҚўз”өжәҗгҖҒејҖе…із”өжәҗгҖҒе……з”өз”өи·ҜгҖҒжҒ’жөҒжәҗзӣёе…ізҡ„з»Ҹе…ёз”өи·Ҝиө„ж–ҷ,дёәе·ҘзЁӢеёҲжҸҗдҫӣжңҖж–°йІңзҡ„з”өи·ҜеӣҫеҸӮиҖғиө„ж–ҷгҖӮдёҖгҖҒзЁіеҺӢз”өжәҗ1гҖҒ3пҪһ25Vз”өеҺӢ可BOBVIP体育调稳压电源电路原理图(йҷҗжөҒеҸҜи°ғзҡ„зЁіеҺӢз”өжәҗз”өи·Ҝеӣҫ)иҝҷдёӘз”өжәҗз”өжөҒеҸҜд»ҘеҫҲеӨ§.й•ҝжңҹ5aжІЎй—®йўҳ,зһ¬й—ҙзҹӯи·Ҝ18aд№ҹдёҚдјҡзғ§жҺүзҡ„,еҸӘиҰҒдёҚи¶…иҝҮд»–зҡ„еҠҹзҺҮ.з”өеҺӢ3⑵4v,з”өжөҒ0.01a⑴8aйҷҗжөҒеҸҜи°ғ.дё»иҰҒеҠҹиғҪ.з”өеҺӢи°ғиҠӮ,йҷҗжөҒи°ғиҠӮ.йЈҺеҶ·ж•Јзғӯ.з”өжөҒиҫҫеҲ°жҺҘиҝ‘1aж—¶йЈҺжүҮеҗҜ

еӨ§еҠҹзҺҮеҸҜи°ғејҖе…із”өжәҗзҡ„з”өи·ҜеӣҫеҺҹзҗҶжң¬ж–Үз»ҷеҮәдәҶдёҖз§Қж–°еһӢеӨ§еҠҹзҺҮеҸҜи°ғејҖе…із”өжәҗзҡ„и®ҫи®Ўж–№жЎҲгҖӮйҮҮз”ЁbuckеһӢејҖе…із”өжәҗжӢ“жү‘,д»ҘеёҰеҚ•и·Ҝpwmиҫ“еҮәе’Ңз”өжөҒз”өеҺӢеҸҚйҰҲжЈҖжөӢдёәжҺ§еҲ¶ic,й…Қд»ҘеҸҢи·Ҝиҫ“

йҫҷеЁBOBVIP体育Ғж•°жҳҫеҸҜи°ғз”өй•Җз”өжәҗ.дё»з”өи·Ҝи®ҫи®Ўдё»з”өи·ҜйғЁеҲҶи®ҫи®Ўдё»иҰҒеҢ…жӢ¬з”өжәҗеҸҳеҺӢеҷЁгҖҒж•ҙжөҒз”өи·ҜгҖҒж»Өжіўз”өи·ҜгҖҒзЁіеҺӢз”өи·Ҝи®ҫи®ЎгҖӮеҸҳеҺӢеҷЁжҠҠй«ҳеҺӢдәӨжөҒз”өеҸҳдёәжүҖйңҖиҰҒзҡ„дҪҺеҺӢдәӨжөҒз”ө;ж•ҙжөҒеҷЁжҠҠдәӨжөҒз”өеҸҳдёәи„үеҠЁзӣҙжөҒз”ө

йҷҗжөҒеҸҜи°ғзҡ„зЁіеҺӢз”өжәҗз”өи·Ҝеӣҫ

вҖ”вҖ”е·ҘдҪңеҺҹзҗҶеҸҠз”өи·ҜеӣҫиҜҰи§ЈдёҖгҖҒзЁіеҺӢз”өжәҗзҡ„з®Җд»ӢдёҠеӣҫжҳҜдёҖдёӘз®ҖеҚ•зҡ„,д№ҹжҳҜдёҖдёӘе®Ңж•ҙзҡ„з”өжәҗз”өи·ҜгҖӮдәӨжөҒиҫ“е…Ҙз”өи·Ҝ(еӣҫдёӯзҡ„иҫ“е…Ҙз”өжәҗе’Ңз”өжәҗеҸҳеҺӢеҷЁ)жңүдёӨдёӘз”Ёж„Ҹ,дёҖдёӘжҳҜжҠҠдәӨ

еӣҫ1еҲҶз«Ӣе…ғ件稳еҺӢз”өжәҗз”өи·Ҝеӣҫеӣҫ2еҲҶз«Ӣе…ғ件稳еҺӢз”өжәҗеҚ°жқҝеӣҫдёӢйқўз®ҖеҚ•еҸҷиҝ°жӯӨж¬ҫзЁіеҺӢз”өжәҗзҡ„еҹәжң¬е·ҘдҪңеҺҹзҗҶ:220VдәӨжөҒз”өз»ҸйҷҚеҺӢеҸҳеҺӢеҷЁBеҸҳжҚўдёә12VдҪҺеҺӢдәӨжөҒз”ө,з»ҸVD1~VD4жЎҘејҸж•ҙжөҒгҖҒC1ж»ӨжіўеҗҺеҫ—

еӣҫдёӯзҡ„зЁіеҺӢдәҢжһҒз®ЎDжҳҜдҪңдёәиҝҮеҺӢдҝқжҠӨеҷЁд»¶гҖӮеҸӘиҰҒз”өжәҗз”өеҺӢVSи¶…иҝҮдәҢжһҒз®Ўзҡ„зЁіеҺӢеҖјDе°ұеҜјйҖҡпјҢдҪҝ继з”өеҷЁJеҗёеҗҲиҙҹиҪҪRLе°ұдёҺз”өжәҗеҲҶејҖгҖӮ2гҖҒз”өеј§жҠ‘еҲ¶з”өи·ҜеңЁз”өж„ҹзәҝеңҲдёҠ并иҒ”жҺҘе…ҘдёҖеҸӘеҗҲйҖӮзҡ„зЁіеҺӢдәҢжһҒз®Ў

еҸҳеҺӢеҷЁзҡ„дёӯй—ҙйӮЈжқЎзәҝе°ұжҳҜең°зәҝпјҢLM317е’ҢLM337зҡ„ең°д№ҹжҳҜжҺҘеңЁйӮЈйҮҢзҡ„гҖӮLM317жҳҜе’ҢLM337еҲҶеҲ«дҪңдёәжӯЈиҙҹз”өжәҗпјҢз”өи·ҜиғҪеҒҡеҮәдёҖдёӘ1.25vеҲ°12vзҡ„еҸҜи°ғжӯЈиҙҹз”өжәҗгҖӮиҰҒжӯЈ5vпјҢе°ұеҸ–LM317иҫ“

з®Җжҳ“еҸҜи°ғзЁіеҺӢз”өжәҗз”өи·Ҝеӣҫ(дёҖ)з®Җжҳ“еҸҜи°ғзЁіеҺӢз”өжәҗзЁіеҺӢз”өжәҗзЁіеҺӢз”өжәҗе°ұжҳҜиғҪдёәиҙҹиҪҪжҸҗдҫӣзЁіе®ҡдәӨжөҒз”өжәҗжҲ–зӣҙжөҒз”өжәҗзҡ„з”өеӯҗиЈ…зҪ®,еҢ…жӢ¬дәӨжөҒзЁіеҺӢз”өжәҗе’ҢзӣҙжөҒзЁіеҺӢз”өжәҗдёӨеӨ§зұ»гҖӮ[е…Ё可BOBVIP体育调稳压电源电路原理图(йҷҗжөҒеҸҜи°ғзҡ„зЁіеҺӢз”өжәҗз”өи·Ҝеӣҫ)е…·жңBOBVIP体育үиҝҮжөҒдҝқжҠӨзҡ„зӣҙжөҒеҸҜи°ғзЁіеҺӢз”өжәҗжң¬з”өжәҗзҡ„дё»иҰҒеҷЁд»¶жҳҜйҖҡз”ЁзЁіеҺӢйӣҶжҲҗеқ—,еҶ…йғЁеҗ«жңүеҗҜеҠЁз”өи·ҜгҖҒжҒ’жөҒжәҗгҖҒеҹәеҮҶзЁіеҺӢжәҗгҖҒиҝҮжөҒдҝқжҠӨзӯүз”өи·ҜгҖӮй…ҚеҗҲеӨ§еҠҹзҺҮи°ғж•ҙз®Ў,еҸҜиҫ“еҮә0пҪһ20иҝһз»ӯ