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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > LP3971

LP3971 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/8 18:01:23 鏌ョ湅 闁辫畝锛�27

LP3971 鏄竴娆句綆鍔熻��銆侀珮鏁堢巼鐨勯檷澹撳瀷鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒鑺墖锛屽唬娉涙噳(y墨ng)鐢ㄤ簬渚挎敎寮忛浕瀛愯ō(sh猫)鍌欎腑銆傝┎鑺墖鑳藉鍦ㄥ杓稿叆闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屽苟鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲锛屽悓鏅�(sh铆)鍏峰倷灏忓瀷鍖栧拰楂樻晥鑳界殑鐗归粸(di菐n)锛岄仼鍚堥浕姹犱緵闆荤郴绲�(t菕ng)銆�
銆�銆�LP3971 鍏�(n猫i)閮ㄩ泦鎴愪簡鍔熺巼闁�(k膩i)闂�(gu膩n)绠″拰瑁�(b菙)鍎熼浕璺�锛屽緸鑰岀啊(ji菐n)鍖栦簡澶栧湇瑷�(sh猫)瑷�(j矛)銆傚畠閲囩敤闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屽彲浠ュ(sh铆)鐝�(xi脿n)蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岃壇濂界殑璨�(f霉)杓夎(di脿o)绡�(ji茅)鎬ц兘銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� VIN
銆�銆�鏈�澶ц几鍑洪浕娴侊細500mA
銆�銆�宸ヤ綔闋荤巼锛�1.2MHz
銆�銆�闈滄厠(t脿i)闆绘祦锛�40uA
銆�銆�闂�(gu膩n)鏂烽浕娴侊細1uA
銆�銆�鏁堢巼锛堝吀鍨嬪�硷級锛�90%
銆�銆�灏佽褰㈠紡锛歍SOT23-6

鐗规��

1. 楂樻晥闄嶅杞�(zhu菐n)鎻涘櫒锛岄仼鐢ㄤ簬闆绘睜渚涢浕瑷�(sh猫)鍌�銆�
銆�銆�2. 鍏�(n猫i)缃姛鐜嘙OSFET锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆�
銆�銆�3. 鏀寔楂橀仈(d谩)500mA鐨勬寔绾�(x霉)杓稿嚭闆绘祦銆�
銆�銆�4. 宸ヤ綔闋荤巼鐐�1.2MHz锛屽厑瑷变娇鐢ㄥ皬灏哄闆绘劅鍜岄浕瀹�銆�
銆�銆�5. 浣庨潨鎱�(t脿i)闆绘祦瑷�(sh猫)瑷�(j矛)锛屽欢闀�(zh菐ng)闆绘睜浣跨敤澹藉懡銆�
銆�銆�6. 鎻愪緵娆犲閹栧畾淇濊(h霉)(UVLO)鍔熻兘锛岄槻姝綆澹撴浠朵笅閬�(y霉n)琛�銆�
銆�銆�7. 鍏锋湁闂�(gu膩n)鏂峰姛鑳斤紝鍙皣闆绘簮瀹屽叏鍒囨柗浠ラ檷浣庡姛鑰�銆�
銆�銆�8. 鐔遍棞(gu膩n)鏂蜂繚璀�(h霉)纰轰繚鍦ㄧ暟甯告儏娉佷笅瀹夊叏閬�(y霉n)琛�銆�

鎳�(y墨ng)鐢�

LP3971 甯哥敤浜庡悇绋究鏀滃紡娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�锛屽锛�
銆�銆�1. 绉诲嫊(d貌ng)闆昏┍鍜屽叾浠栨墜鎸侀�氫俊瑷�(sh猫)鍌�銆�
銆�銆�2. MP3 鎾斁鍣ㄣ�丳DA绛変綆鍔熻�椾究鏀滃紡闊抽牷瑷�(sh猫)鍌欍��
銆�銆�3. 鐒�(w煤)绶氬偝鎰熷櫒缍�(w菐ng)绲�(lu貌)绡�(ji茅)榛�(di菐n)涓殑闆绘簮绠＄悊銆�
銆�銆�4. GPS 鎺ユ敹鍣ㄥ拰鍏朵粬闇�瑕侀珮鏁堥浕婧愯綁(zhu菐n)鎻涚殑灏忓瀷瑷�(sh猫)鍌欍��
銆�銆�5. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�6. 鏁�(sh霉)纰肩浉姗�(j墨)鍙婃敐鍍忔(j墨)鐨勯浕姹犵鐞嗙郴绲�(t菕ng)銆�

鏇夸唬鍨嬭櫉(h脿o)

AP2112K
銆�銆�TPS62000
銆�銆�LM2678

lp3971鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)

lp3971璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級