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闁辫畝锛�33
LM3481 鏄竴娆鹃珮搴﹂泦鎴愮殑鍚屾闄嶅-鍗囧鎺у埗鍣�锛屽皥鐐哄湪杓稿叆闆诲鍙兘楂樹簬銆佷綆浜庢垨绛変簬杓稿嚭闆诲鐨勬噳鐢ㄤ腑鎻愪緵楂樻晥鍜岀┅(w臎n)瀹氱殑闆绘簮杞�(zhu菐n)鎻�銆傝┎鑺墖閲囩敤鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鏋舵锛岃兘澶�?q奴)宕縁(xi脿n)楂樻晥鐜囧拰蹇�熺灛鎱�(t脿i)闊挎噳銆傚叾宸ヤ綔闆诲鑼冨湇鐐�2.7V鑷�38V锛屾敮鎸佸鑼冨湇杓稿叆锛屽苟鍏锋湁寮峰ぇ鐨勭煭璺繚璀峰姛鑳姐�侺M3481 閭勯泦鎴愪簡杌熷暉鍕�銆侀亷婧繚璀峰拰鍙(di脿o)闋荤巼绛夊姛鑳斤紝閬╃敤浜庢苯杌婇浕瀛�銆佸伐妤�(y猫)瑷倷鍙婃秷璨婚闆诲瓙绛夐牁鍩熺殑闆绘簮绠＄悊瑙ｆ焙鏂规銆�
銆�銆�LM3481MMX/NOPB 鏄� LM3481 鐨勪竴绋皝瑁濈増鏈�锛岄噰鐢� 16 寮曡叧 HTSSOP 灏佽褰㈠紡銆�
杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 38V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� 34V
銆�銆�闁嬮棞闋荤巼锛�200kHz 鑷� 2.2MHz 鍙(di脿o)
銆�銆�鏈�澶у崰绌烘瘮锛�97%
銆�銆�闈滄厠(t脿i)闆绘祦锛氱磩 1.2mA
銆�銆�璨犺級闆绘祦锛氶珮閬� 5A锛堝彇姹轰簬澶栭儴鍏冧欢锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛欻TSSOP-16
LM3481 鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍚屾鏁存祦鍔熻兘锛屾彁鍗囪綁(zhu菐n)鎻涙晥鐜囥��
銆�銆�2. 鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗锛岀⒑淇濈┅(w臎n)瀹氭�у拰蹇�熺灛鎱�(t脿i)闊挎噳銆�
銆�銆�3. 瀵几鍏ラ浕澹撹寖鍦嶏紝閬╂噳澶氱ó鎳夌敤鍫存櫙銆�
銆�銆�4. 鍏�(n猫i)缃粺鍟熷嫊鍔熻兘锛屾笡灏戞氮娑岄浕娴佸皪绯荤当(t菕ng)鐨勫奖闊�銆�
銆�銆�5. 鏀寔澶栭儴闋荤巼瑾�(di脿o)绡�(ji茅)锛屼究浜庡劒(y艒u)鍖栭浕纾佸共鎿� (EMI) 鎬ц兘銆�
銆�銆�6. 闆嗘垚鍏ㄩ潰鐨勪繚璀峰姛鑳�锛屽寘鎷亷娴佷繚璀枫�佺煭璺繚璀峰拰閬庢韩闂滄柗銆�
銆�銆�7. 鎻愪緵 MODE 寮曡叧锛屽厑瑷辩敤鎴堕伕鎿囬�ｇ簩(x霉)灏庨�氭ā寮� (CCM) 鎴栬剤娌栬烦韬嶆ā寮� (PSM)锛屼互鍎�(y艒u)鍖栬紩杓夋晥鐜囥��
銆�銆�8. 鑳藉鍦ㄥ崌闄嶅妯″紡涓嬪钩绌�(w臎n)鍒囨彌锛岄伩鍏嶉浕澹撴尝鍕曞奖闊跨郴绲�(t菕ng)鎬ц兘銆�
銆�銆�閫欎簺鐗规�т娇 LM3481 鎴愮偤涓�绋潪甯搁潏娲讳笖鍙潬鐨勯浕婧愮鐞嗚В姹烘柟妗�锛岀壒鍒ラ仼鍚堥渶瑕侀珮鎬ц兘鍜岄珮鏁堢巼鐨勫京闆滅郴绲�(t菕ng)瑷▓銆�
LM3481 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 姹借粖闆诲瓙绯荤当(t菕ng)锛屼緥濡備俊鎭妯傝ō鍌�銆佸皫鑸郴绲�(t菕ng)鍜� LED 鐓ф槑銆�
銆�銆�2. 宸ユキ(y猫)瑷倷涓殑闆绘睜渚涢浕鐢�(ch菐n)鍝侊紝濡傛墜鎸佹巸鎻忓剙鍜岀劇绶氶�氫俊妯″銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊紝鍖呮嫭渚挎敎寮忛煶闋昏ō鍌欏拰 USB 鍏呴浕鍣�銆�
銆�銆�4. 閱�(y墨)鐧傝ō鍌欓浕婧�锛屽渚挎敎寮忕洠(ji膩n)璀峰剙鍜岃绯栧剙銆�
銆�銆�5. 鐗╄伅(li谩n)缍�(w菐ng) (IoT) 瑷倷锛屾敮鎸佷綆鍔熻�楅亱琛屽拰闀锋檪闁撶簩(x霉)鑸�銆�
銆�銆�鐢变簬鍏堕珮鏁堢巼鍜岄潏娲绘��锛孡M3481 鍦ㄥ悇绋渶瑕佸杓稿叆闆诲鑼冨湇鍜岀簿纰鸿几鍑鸿(di脿o)绡�(ji茅)鐨勬噳鐢ㄤ腑琛ㄧ従(xi脿n)鍎�(y艒u)鐣般��
LM3481IMMX/NOPB, LM3481MMX/NOPBTR
