鍨嬭櫉(h脿o)锛歎C1843A
銆�銆�宸ヤ綔闆诲�撹寖鍦嶏��7.5V - 40V
銆�銆�鍥哄畾宸ヤ綔闋荤巼锛�100kHz - 400kHz鍙�瑾�(di脿o)
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氬皬浜�6mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪��10mA
銆�銆�婧�搴﹁寖鍦嶏��-40鈩� 鑷� +125鈩�
銆�銆�灏佽�濆舰寮忥細SOIC-8

UC1843A鏄�涓�娆鹃珮绮惧害鐨勯浕娴佹ā寮廝WM鎺у埗鍣�锛屽叿鏈変互涓嬬壒榛�(di菐n)锛�
銆�銆�1. 鍏�(n猫i)缃�绮剧⒑鐨�5V鍩烘簴(zh菙n)闆诲�撴��锛岀偤澶栭儴闆昏矾鎻愪緵绌�(w臎n)瀹氱殑鍙冭�冮浕澹�銆�
銆�銆�2. 鏀�鎸佸彲绶ㄧ▼鐨勬尟钑╁櫒锛岀敤鎴跺彲浠ラ�氶亷(gu貌)瑾�(di脿o)鏁村�栭儴闆婚樆鍜岄浕瀹逛��(l谩i)瑷�(sh猫)瀹氭墍闇�鐨勯枊闂�(gu膩n)闋荤巼銆�
銆�銆�3. 鍏峰倷閫愬懆鏈熼浕娴侀檺鍒跺姛鑳�锛岃兘澶犳湁鏁堥槻姝㈤亷(gu貌)娴佹儏娉佷笅鐨勫櫒浠舵悕澹�銆�
銆�銆�4. 闆嗘垚浜嗘枩鍧¤��(b菙)鍎熷姛鑳�锛岀⒑淇濆湪楂樺崰绌烘瘮鎯呮硜涓嬬郴绲�(t菕ng)浠嶇劧淇濇寔绌�(w臎n)瀹氥��
銆�銆�5. 鎻愪緵浜嗚粺鍟熷嫊(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. 鍏�(n猫i)閮ㄨō(sh猫)鏈夋瑺澹撻帠瀹氾紙UVLO锛変繚璀�(h霉)闆昏矾锛岀暥(d膩ng)杓稿叆闆诲�撲綆浜庤��(sh猫)瀹氬�兼檪(sh铆)鑷�鍕�(d貌ng)闂�(gu膩n)闁夎几鍑轰互淇濊��(h霉)闆昏矾銆�
銆�銆�7. 鍏煎�筃婧濋亾MOSFET椹�(q奴)鍕�(d貌ng)锛屾敮鎸侀珮浣庡伌(c猫)椹�(q奴)鍕�(d貌ng)鎳�(y墨ng)鐢�銆�
銆�銆�8. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛岄仼鍚堜究鏀滃紡瑷�(sh猫)鍌欏拰楂樻晥鑳借�佹眰鐨勬��(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�

UC1843A涓昏�佺敤浜庝互涓嬮��(l菒ng)鍩燂細
銆�銆�1. 闁嬮棞(gu膩n)闆绘簮锛圫MPS锛夌殑瑷�(sh猫)瑷�(j矛)鑸囬枊鐧�(f膩)銆�
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛屽�傞檷澹�銆佸崌澹撳強鍙嶆縺寮忔嫇?f霉)娴�Y(ji茅)妲�(g貌u)銆�
銆�銆�3. LED椹�(q奴)鍕�(d貌ng)闆绘簮锛岀敤浜庢亽娴佹帶鍒�銆�
銆�銆�4. 闆绘睜鍏呴浕鍣ㄤ腑鐨勯浕娴佹帶鍒堕儴鍒�銆�
銆�銆�5. 宸ユキ(y猫)鑷�鍕�(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯浕婧愮�＄悊妯″��銆�
銆�銆�6. 鍚勯�為浕瀛愯��(sh猫)鍌欎腑闇�瑕佺簿纰洪浕澹撴垨闆绘祦瑾�(di脿o)绡�(ji茅)鐨勫牬(ch菐ng)鍚�銆�

UC1843B, UC1843