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闁辫畝锛�35
UC3843BD 鏄竴绋珮鎬ц兘鐨勯浕娴佹ā寮� PWM 鎺у埗鍣�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞闆绘簮銆丏C-DC 杞夋彌鍣ㄥ拰鍙嶆縺寮忚畩鎻涘櫒涓�銆傝┎鑺墖闆嗘垚浜嗘尟钑╁櫒銆佽宸斁澶у櫒銆侀浕娴佹娓瘮杓冨櫒鍜岄珮澧炵泭PWM閹栧瓨鍣ㄧ瓑鍔熻兘妯″锛岃兘澶犳彁渚涚簿纰虹殑鍗犵┖姣旀帶鍒跺拰蹇�熺殑璨犺級闊挎噳銆俇C3843BD閲囩敤8寮曡叧DIP鎴朣OIC灏佽锛岄仼鐢ㄤ簬鍚勭ó涓皬鍔熺巼鐨勯浕婧愯ō瑷�銆�
渚涢浕闆诲锛�7V~36V
銆�銆�宸ヤ綔闋荤巼锛�100kHz~500kHz
銆�銆�鍟熷嫊闆绘祦锛氬皯浜�2mA
銆�銆�鍩烘簴闆诲锛�5V 卤1%
銆�銆�鏈�澶у崰绌烘瘮锛�99.5%
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛氬嘲鍊兼簮闆绘祦/鐏岄浕娴佺偤400mA/600mA
銆�銆�淇濊鍔熻兘锛氶�愬懆鏈熼檺娴佷繚璀�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C ~ +125掳C
UC3843BD鍏锋湁浠ヤ笅鐗归粸锛�
銆�銆�1. 闆嗘垚鍖栫▼搴﹂珮锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲�锛岀啊鍖栦簡闆昏矾瑷▓銆�
銆�銆�2. 鏀寔瀵寖鍦嶇殑宸ヤ綔闆诲杓稿叆锛岄仼鎳夊绋噳鐢ㄥ牬鏅�銆�
銆�銆�3. 鍏х疆楂樼簿搴﹀熀婧栨簮鍜屾尟钑╁櫒锛屼繚璀夌郴绲�(t菕ng)绌�(w臎n)瀹氶亱琛�銆�
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銆�銆�5. 閲囩敤闆绘祦妯″紡鎺у埗锛屽寮蜂簡绯荤当(t菕ng)鐨勫嫊鎱�(t脿i)闊挎噳鑳藉姏鍜屾姉骞叉摼鎬ц兘銆�
銆�銆�6. 鍏锋湁瀹屽杽鐨勪繚璀锋鍒�锛屽閬庢祦淇濊鍜屾瑺澹撻帠瀹氾紝鎻愰珮浜嗙郴绲�(t菕ng)鐨勫彲闈犳��銆�
銆�銆�7. 灏佽灏忓阀锛屼究浜庡畨瑁濆拰甯冨眬銆�
UC3843BD涓昏鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 闁嬮棞闆绘簮锛圫MPS锛夎ō瑷堜腑鐨凱WM鎺у埗鍣�銆�
銆�銆�2. DC-DC杞夋彌鍣紝鍖呮嫭鍗囧銆侀檷澹撳拰鍗囬檷澹撴嫇鎾层��
銆�銆�3. 鍙嶆縺寮忚畩鎻涘櫒浠ュ強鍏朵粬闅旈洟寮忛浕婧愯В姹烘柟妗�銆�
銆�銆�4. LED椹呭嫊闆绘簮鍜屽叾浠栭渶瑕佺簿纰洪浕娴佹帶鍒剁殑鎳夌敤銆�
銆�銆�5. 鍚勭ó娑堣不椤為浕瀛愮敘鍝併�佸伐妤�(y猫)瑷倷鍙婇�氫俊瑷倷涓殑闆绘簮绠＄悊閮ㄥ垎銆�
UC3842B, UC3843B
