UC3854 鏅�(sh铆)闁擄細2025/5/6 13:08:36 闁辫畝锛�28

UC3854鏄竴娆鹃珮鎬ц兘鐨勯浕娴佹ā寮廝WM鎺у埗鍣�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮锛圫MPS锛夎ō(sh猫)瑷�(j矛)涓�銆傝┎鑺墖闆嗘垚浜嗗绋姛鑳戒互鎻愰珮绯荤当(t菕ng)鐨勭┅(w臎n)瀹氭€у拰鏁堢巼锛屽寘鎷宸斁澶у櫒銆佹尟钑╁櫒銆丳WM姣旇純鍣ㄥ拰杓稿嚭椹�(q奴)鍕�(d貌ng)鍣ㄧ瓑銆俇C3854鏀寔瀵寖鍦嶈几鍏ラ浕澹�锛屽苟鍏锋湁绮剧⒑鐨勫崰绌烘瘮鎺у埗鑳藉姏锛岃兘澶�?q奴)宕縁(xi脿n)楂樼簿搴︾殑杓稿嚭闆诲瑾�(di脿o)绡€(ji茅)銆�
銆€銆€姝ゅ锛孶C3854鍏�(n猫i)缃簡澶氱ó淇濊(h霉)姗�(j墨)鍒讹紝濡傞亷娴佷繚璀�(h霉)銆佹瑺澹撻帠瀹氬拰閬庢韩淇濊(h霉)锛岀⒑淇濈郴绲�(t菕ng)鍦ㄧ暟甯告儏娉佷笅浠嶇劧瀹夊叏閬�(y霉n)琛�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�10V~40V
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�100kHz~500kHz
銆€銆€鏈€澶у崰绌烘瘮锛�99%
銆€銆€鍙冭€冮浕澹擄細5.0V卤1%
銆€銆€闈滄厠(t脿i)闆绘祦锛�10mA
銆€銆€瑾ゅ樊鏀惧ぇ鍣ㄥ鐩婂付瀵⿳锛�2MHz
銆€銆€婧害鑼冨湇锛�-40鈩儈+125鈩�

鐗规€�

UC3854鐨勪富瑕佺壒鎬у涓嬶細
銆€銆€1. 闆嗘垚闆绘祦妯″紡鎺у埗鎶€琛�(sh霉)锛屾彁渚涘揩閫熺殑鐬厠(t脿i)闊挎噳(y墨ng)鍜岄珮绌�(w臎n)瀹氭€�銆�
銆€銆€2. 鍏�(n猫i)缃簿纰虹殑鍙冭€冮浕澹撴簮锛屼繚璀夎几鍑洪浕澹撶殑婧�(zh菙n)纰烘€�銆�
銆€銆€3. 鏀寔澶栭儴鍙法绋嬮枊闂�(gu膩n)闋荤巼锛岄潏娲婚仼鎳�(y墨ng)涓嶅悓鎳�(y墨ng)鐢ㄩ渶姹�銆�
銆€銆€4. 鎻愪緵閫愬懆鏈熼檺娴佷繚璀�(h霉)鍔熻兘锛岄槻姝㈤浕璺亷杓夋悕澹�銆�
銆€銆€5. 鎿佹湁杌熷暉鍕�(d貌ng)鍔熻兘锛屾笡灏戝暉鍕�(d貌ng)鏅�(sh铆)鐨勬矕鎿婇浕娴�銆�
銆€銆€6. 鎻愪緵鍏ㄩ潰鐨勪繚璀�(h霉)姗�(j墨)鍒讹紝鍖呮嫭娆犲閹栧畾锛圲VLO锛�銆侀亷婧繚璀�(h霉)锛圤TP锛夌瓑鍔熻兘銆�
銆€銆€7. 灏佽褰㈠紡鐐篜DIP-8鎴朣OIC-8锛屾柟渚垮竷灞€鑸囨暎鐔�銆�

鎳�(y墨ng)鐢�

UC3854閬╃敤浜庡绋浕鍔涢浕瀛愭噳(y墨ng)鐢ㄥ牬鏅�锛屽寘鎷絾涓嶉檺浜庝互涓嬮牁(l菒ng)鍩燂細
銆€銆€1. 闁嬮棞(gu膩n)闆绘簮锛圫witch Mode Power Supply, SMPS锛夛紝鐢ㄤ簬AC-DC鎴朌C-DC杞�(zhu菐n)鎻�銆�
銆€銆€2. LED椹�(q奴)鍕�(d貌ng)闆绘簮锛屾彁渚涙亽瀹氶浕娴佽几鍑恒€�
銆€銆€3. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欎腑鐨勯浕婧愭ā濉�銆�
銆€銆€4. 閫氫俊瑷�(sh猫)鍌欎腑鐨勯珮鏁堥浕婧愯В姹烘柟妗�銆�
銆€銆€5. 鍏呴浕鍣ㄥ強閬╅厤鍣ㄨō(sh猫)瑷�(j矛)銆�
銆€銆€6. 闆绘睜绠＄悊绯荤当(t菕ng)鐨勮紨鍔╅浕婧愰儴鍒�銆�