鏅傞枔锛�2025/6/3 16:06:17
闁辫畝锛�9
LM3464鏄竴娆鹃珮鎬ц兘鐨勫洓閫氶亾鎭掓祦LED椹呭嫊鍣�锛岄噰鐢ㄥ皬鍨婱SOP-10灏佽銆傝┎鍣ㄤ欢閬╃敤浜庨﹨鍕曢珮浜害LED锛岃兘澶犳彁渚涚簿纰虹殑鎭掑畾闆绘祦杓稿嚭锛屽緸鑰岀⒑淇滾ED浜害鐨勪竴鑷存��銆傚叾鍏х疆鐨勮宸斁澶у櫒鍜岄浕娴佹娓浕璺娇寰楀閮ㄥ厓浠堕渶姹傛渶灏忓寲锛岄潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳夌敤鍫存櫙銆�
銆�銆�LM3464閫氶亷涓�鍊嬬啊鍠殑闆婚樆瑷疆姣忓�嬮�氶亾鐨勮几鍑洪浕娴侊紝骞朵笖鏀寔PWM瑾垮厜鍔熻兘锛屽彲浠ュ鐝�(xi脿n)灏峀ED浜害鐨勭簿纰烘帶鍒�銆傛澶栵紝瀹冮倓鍏锋湁閬庢韩淇濊鍜岀煭璺繚璀峰姛鑳斤紝鎻愰珮浜嗙郴绲�(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬�銆�
灏佽锛歁SOP-10
銆�銆�杓稿叆闆诲鑼冨湇锛�2.5V 鑷� 5.5V
銆�銆�杓稿嚭闆绘祦绮惧害锛毬�3%
銆�銆�鏈�澶ц几鍑洪浕娴侊細姣忛�氶亾30mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�闆绘簮闆绘祦锛氬吀鍨嬪��18渭A
銆�銆�PWM瑾垮厜闋荤巼鑼冨湇锛氶珮閬�1kHz
銆�銆�淇濊鍔熻兘锛氶亷婧繚璀�銆佺煭璺繚璀�
LM3464鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樼簿搴︾殑鎭掓祦婧愯几鍑�锛岃兘澶犳湁鏁堟笡灏慙ED涔嬮枔鐨勪寒搴﹀樊鐣�銆�
銆�銆�2. 姣忓�嬮�氶亾鐛ㄧ珛鍙锛岄潏娲绘�у挤锛岄仼鍚堝绋甃ED閰嶇疆銆�
銆�銆�3. 鏀寔PWM瑾垮厜鍔熻兘锛屽厑瑷辩敤鎴跺嫊鎱�(t脿i)瑾跨瘈(ji茅)LED浜害锛屾豢瓒充笉鍚屾噳鐢ㄥ牬鏅殑闇�姹傘��
銆�銆�4. 鍏х疆淇濊姗熷埗锛屽寘鎷亷婧繚璀峰拰鐭矾淇濊锛屽寮风郴绲�(t菕ng)鍙潬鎬�銆�
銆�銆�5. 灏忓瀷鍖栬ō瑷�锛岄噰鐢∕SOP-10灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�
銆�銆�6. 瀵伐浣滈浕澹撹寖鍦嶏紙2.5V鑷�5.5V锛�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧冦��
銆�銆�7. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦娑堣�楋紙鍏稿瀷鍊�18渭A锛�锛屾湁鍔╀簬寤堕暦闆绘睜渚涢浕瑷倷鐨勭簩(x霉)鑸檪闁�銆�
LM3464寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鎵嬫鑳屽厜椤ず椹呭嫊
銆�銆�2. 鍙┛鎴磋ō鍌欎腑鐨凩ED椹呭嫊
銆�銆�3. 娑堣不椤為浕瀛愮敘鍝丩ED鎸囩ず鐕�
銆�銆�4. 姹借粖鍏ч儴鐓ф槑鑸囦俊铏熸寚绀�
銆�銆�5. 閱�(y墨)鐧傝ō鍌欎腑鐨凩ED鍏夋簮椹呭嫊
銆�銆�6. 宸ユキ(y猫)鎺у埗闈㈡澘鐨凩ED椤ず椹呭嫊
LM3462, LM3463
