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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 > LM2990

LM2990 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/30 19:00:35 鏌ョ湅 闁辫畝锛�37

LM2990鏄竴绋綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛�锛屽叿鏈夐珮绱嬫尝鎶戝埗姣斿拰浣庨潨鎱�(t脿i)闆绘祦鐨勭壒榛�(di菐n)锛岄仼鍚堜簬闆绘睜渚涢浕瑷�(sh猫)鍌欏拰鍏朵粬闇�瑕侀珮鏁�銆佺┅(w臎n)瀹氶浕澹撹几鍑虹殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�傝┎鑺墖鑳藉鎻愪緵150mA鐨勮几鍑洪浕娴�锛屽苟鍦ㄨ几鍏ラ浕澹撴帴杩戣几鍑洪浕澹撴檪(sh铆)浠嶈兘淇濇寔鑹ソ鐨勬�ц兘銆�
銆�銆�LM2990閲囩敤TO-220灏佽褰㈠紡锛屽叿鍌欑啽闂�(gu膩n)鏂蜂繚璀�(h霉)鍜岄檺娴佷繚璀�(h霉)鍔熻兘锛屽彲鏈夋晥闃叉鑺墖鍥犻亷(gu貌)杓夋垨閬�(gu貌)鐔辫�屾悕澹炪��

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�1.8V~16V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V~13.8V
銆�銆�杓稿嚭闆绘祦锛�150mA
銆�銆�澹撳樊闆诲锛�0.7V锛堝吀鍨嬪�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈125鈩�
銆�銆�闈滄厠(t脿i)闆绘祦锛�75渭A锛堝吀鍨嬪�硷級
銆�銆�灏佽褰㈠紡锛歍O-220

鐗规��

LM2990鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛�(di菐n)锛�
銆�銆�1. 楂樻晥鐜囦綆澹撳樊瑷�(sh猫)瑷�(j矛)锛岄潪甯搁仼鍚堥浕姹犱緵闆荤郴绲�(t菕ng)銆�
銆�銆�2. 杓稿嚭闆诲鍙湪1.2V鍒�13.8V涔嬮枔瑾�(di脿o)绡�(ji茅)锛岄潏娲绘�ч珮銆�
銆�銆�3. 鍏�(n猫i)缃啽闂�(gu膩n)鏂蜂繚璀�(h霉)鍜岄檺娴佷繚璀�(h霉)鍔熻兘锛屾彁鍗囦簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
銆�銆�4. 瓒呬綆闈滄厠(t脿i)闆绘祦锛屽儏鐐�75渭A锛屾湁鍔╀簬寤堕暦(zh菐ng)闆绘睜澹藉懡銆�
銆�銆�5. 绱嬫尝鎶戝埗姣斿劒(y艒u)鐣�锛岀⒑淇濅簡绌�(w臎n)瀹氱殑闆诲杓稿嚭銆�
銆�銆�6. 瀵伐浣滄韩搴﹁寖鍦�锛岄仼鎳�(y墨ng)鍚勭ó鐠�(hu谩n)澧冩浠躲��

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LM2990閬╃敤浜庡绋究鏀滃紡闆诲瓙瑷�(sh猫)鍌欏拰宸ユキ(y猫)鎺у埗闋�(l菒ng)鍩�锛屽叿楂斿寘鎷細
銆�銆�1. 闆绘睜渚涢浕瑷�(sh猫)鍌�锛屽鐒�(w煤)绶氬偝鎰熷櫒绡�(ji茅)榛�(di菐n)銆佹墜鎸佺祩绔瓑銆�
銆�銆�2. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�锛屼緥濡侻P3鎾斁鍣�銆侀浕瀛愭浉闁辫畝鍣ㄧ瓑銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓殑浣庡姛鑰楁ā濉婁緵闆�銆�
銆�銆�4. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑灏�(du矛)绌�(w臎n)瀹氭�ц姹傝純楂樼殑闆绘簮閮ㄥ垎銆�
銆�銆�5. 鍏朵粬闇�瑕佷綆澹撳樊銆佸皬楂旂⿳绌�(w臎n)澹撳櫒鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�

鏇夸唬鍨嬭櫉(h脿o)

LM2990T-5.0/NOPB, LM2990T-3.3/NOPB

lm2990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)

lm2990璩囨枡 鏇村>

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