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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 > LP3991

LP3991 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/6 16:22:40 鏌ョ湅 闁辫畝锛�32

LP3991 鏄竴娆句綆鍔熻��銆侀珮绮惧害鐨勭窔鎬х┅(w臎n)澹撳櫒锛圠DO锛�锛岀敱寰峰窞鍎�鍣紙TI锛夐浕瀛愯ō(sh猫)鍌欍�侺P3991 鎻愪緵澶氱ó杓稿嚭闆诲閬搁爡(xi脿ng)锛屾敮鎸� 1.2V 鑷� 5.0V 鐨勫彲瑾�(di脿o)鑼冨湇锛屽苟涓斿叿鏈夐潪甯镐綆鐨勬帴鍦伴浕娴�锛岄�欎娇寰楀畠闈炲父閬╁悎闆绘睜渚涢浕鐨勭郴绲�(t菕ng)銆�
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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�1.2V 鑷� 5.0V
銆�銆�鏈�澶ц几鍑洪浕娴侊細300mA
銆�銆�鎺ュ湴闆绘祦锛�25uA锛堝吀鍨嬪�硷級
銆�銆� dropout 闆诲锛�300mV锛堝吀鍨嬪��锛孈300mA锛�
銆�銆�璨�(f霉)杓夎(di脿o)鏁寸巼锛毬�0.5%
銆�銆�绶氳矾瑾�(di脿o)鏁寸巼锛毬�0.5%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽椤炲瀷锛歋OT-23銆丼C-70

鐗规��

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銆�銆�6. 杓稿嚭闆诲绮惧害楂橈紙卤1%锛夛紝閬╃敤浜庡皪(du矛)闆诲绌�(w臎n)瀹氭�ц姹傝純楂樼殑鍫�(ch菐ng)鍚�銆�
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鎳�(y墨ng)鐢�

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鏇夸唬鍨嬭櫉(h脿o)

TPS7A49, LM2940, LP2985

lp3991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)

lp3991璩囨枡 鏇村>

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