鏅傞枔锛�2025/5/12 19:40:58
闁辫畝锛�28
UC1543J/883鏄竴绋珮鎬ц兘鐨勮剤瀵鍒�(PWM)鎺у埗鍣ㄨ姱鐗�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞闆绘簮(SMPS)瑷▓涓�銆傝┎鑺墖閫氶亷鎻愪緵绌�(w臎n)瀹氱殑鍗犵┖姣斿拰闋荤巼杓稿嚭锛岃兘澶犳湁鏁堟帶鍒跺姛鐜囪綁鎻涢浕璺殑宸ヤ綔鐙�鎱�(t脿i)锛屽緸鑰屽鐝�(xi脿n)楂樻晥鐜囩殑闆诲瑾跨瘈(ji茅)鍔熻兘銆俇C1543J/883鍏锋湁鍏х疆瑾ゅ樊鏀惧ぇ鍣�銆佹尟钑╁櫒浠ュ強澶氱ó淇濊姗熷埗锛屼娇鍏跺湪鍚勯宸ユキ(y猫)鍜屾秷璨婚浕瀛愰牁鍩熼兘琛ㄧ従(xi脿n)鍑鸿壊銆�
銆�銆�姝ゅ锛屽畠鏀寔鍥哄畾闋荤巼PWM妯″紡锛屽苟涓斿叿鍌欒純瀵殑宸ヤ綔闆诲鑼冨湇锛岄仼鐢ㄤ簬澶氱ó杓稿叆闆诲鍫存櫙涓嬬殑鎳夌敤銆�
宸ヤ綔闆诲锛�7V~40V
銆�銆�闁嬮棞闋荤巼锛�100kHz~400kHz
銆�銆�椹呭嫊闆绘祦锛氬嘲鍊煎彲閬�400mA
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�20渭A
銆�銆�鏈�浣庡伐浣滈浕娴侊細1.5mA
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�婧害鑼冨湇锛�-40鈩儈+125鈩�
銆�銆�灏佽褰㈠紡锛欴IP8/SOP8
UC1543J/883鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 鍏х疆楂樼簿搴︽尟钑╁櫒锛屽彲鐢熸垚绌�(w臎n)瀹氱殑宸ヤ綔闋荤巼锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆�
銆�銆�2. 鎻愪緵寮峰ぇ鐨勯﹨鍕曡兘鍔�锛岃兘澶犵洿鎺ラ﹨鍕昅OSFET鎴栭洐妤靛瀷鏅堕珨绠�銆�
銆�銆�3. 闆嗘垚浜嗛亷杓変繚璀�銆佺煭璺繚璀峰拰閬庢韩淇濊绛夊姛鑳�锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬�銆�
銆�銆�4. 鏀寔娆犲閹栧畾(UVLO)锛岀暥杓稿叆闆诲浣庝簬瑷畾闁惧�兼檪鏈冭嚜鍕曢棞闁夎几鍑�锛岄槻姝㈠櫒浠舵悕澹炪��
銆�銆�5. 鍏锋湁鑹ソ鐨勭窔鎬ц矤杓夎鏁寸巼鍜屾韩搴︾┅(w臎n)瀹氭��锛岀⒑淇濆湪涓嶅悓宸ユ硜涓嬮兘鑳戒繚鎸佹�ц兘涓�鑷淬��
銆�銆�6. 灏佽灏忓阀锛屼究浜嶱CB甯冨眬鑸囨暎鐔辫ō瑷�銆�
銆�銆�閫欎簺鐗归粸浣縐C1543J/883鎴愮偤涓�娆鹃珮鏁�銆佸彲闈犱笖鏄撲簬浣跨敤鐨凱WM鎺у埗鍣�銆�
UC1543J/883涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 闁嬮棞妯″紡闆绘簮(SMPS)锛屼緥濡傞仼閰嶅櫒銆佸厖闆诲櫒绛夈��
銆�銆�2. LED椹呭嫊闆绘簮锛岀敤浜庢亽娴佹垨鎭掑鎺у埗銆�
銆�銆�3. 閫嗚畩鍣ㄥ拰DC-DC杞夋彌鍣ㄨō瑷堛��
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勯浕婧愭ā濉�銆�
銆�銆�5. 鍚勭ó闇�瑕佺簿纰洪浕澹撹绡�(ji茅)鐨勯浕瀛愮郴绲�(t菕ng)銆�
銆�銆�鐢变簬鍏跺嚭鑹茬殑鎬ц兘鍜岄潏娲绘�э紝UC1543J/883琚唬娉涢噰鐢ㄤ互婊胯冻涓嶅悓鍫村悎灏嶉珮鏁堥浕婧愮鐞嗙殑闇�姹�銆�
UC1543K, UC1843, SG1524
