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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 > LM5574

LM5574 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/6 15:23:43 鏌ョ湅 闁辫畝锛�25

LM5574鏄竴娆鹃珮鏁堢殑鍚屾闄嶅鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒锛岄仼鐢ㄤ簬鍚勭ó渚挎敎寮忛浕瀛愯ō(sh猫)鍌欏拰宸ユキ(y猫)鎳�(y墨ng)鐢�銆傝┎鑺墖鑳藉鎻愪緵楂橀仈(d谩)3A鐨勮几鍑洪浕娴�锛屽苟涓旀敮鎸�2.6V鑷�20V鐨勫杓稿叆闆诲鑼冨湇銆侺M5574閲囩敤鍥哄畾闋荤巼宄板�奸浕娴佹ā寮忔帶鍒舵灦妲�(g貌u)锛屽彲瀵�(sh铆)鐝�(xi脿n)蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屽嚭鑹茬殑鐠�(hu谩n)璺┅(w臎n)瀹氭��銆�
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鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.6V 鑷� 20V
銆�銆�杓稿嚭闆绘祦锛氶珮閬�(d谩) 3A
銆�銆�闁嬮棞(gu膩n)闋荤巼锛氬彲瑾�(di脿o)锛岃寖鍦嶇偤 200kHz 鑷� 2MHz
銆�銆�鏁堢巼锛氶珮閬�(d谩) 95%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋OIC-8 鍜� QFN-16

鐗规��

LM5574鍏锋湁楂橀泦鎴愬害鍜岄潏娲绘��锛屽叾涓昏鐗规�у寘鎷細
銆�銆�1. 鍏�(n猫i)缃珮绔拰浣庣鍔熺巼MOSFET锛岀劇(w煤)闇�椤嶅鐨勯﹨(q奴)鍕�(d貌ng)闆昏矾銆�
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銆�銆�4. 鎻愪緵浣胯兘寮曡叧锛圗N锛�锛屼究浜庡(sh铆)鐝�(xi脿n)闈堟椿鐨勯浕婧愮鐞嗘柟妗堛��
銆�銆�5. 杓稿嚭闆诲鍙�氶亷(gu貌)澶栭儴鍙嶉闆婚樆缍�(w菐ng)绲�(lu貌)閫�(j矛n)琛岃(di脿o)绡�(ji茅)锛岄仼鐢ㄦ�у唬娉�銆�
銆�銆�6. 鐭矾淇濊(h霉)鍜岀啽闂�(gu膩n)鏂锋(j墨)鍒跺寮�(qi谩ng)浜嗘暣楂旂郴绲�(t菕ng)瀹夊叏鎬у拰鑰愮敤鎬�銆�

鎳�(y墨ng)鐢�

LM5574鍥犲叾楂樻晥鎬у拰绶婃箠鍨嬭ō(sh猫)瑷�(j矛)鑰屽唬娉涙噳(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�锛屽鏅鸿兘鎵嬫(j墨)銆佸钩鏉块浕鑵﹀強鍙┛鎴磋ō(sh猫)鍌欑殑鍏呴浕绠＄悊銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勫垎甯冨紡闆绘簮绯荤当(t菕ng)銆�
銆�銆�3. 缍�(w菐ng)绲�(lu貌)閫氫俊瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�4. 闆绘睜渚涢浕鐨勪究鏀滃紡鍎�鍣ㄥ剙琛ㄥ拰閱�(y墨)鐧傝ō(sh猫)鍌�銆�
銆�銆�5. LED鐓ф槑椹�(q奴)鍕�(d貌ng)浠ュ強姹借粖闆诲瓙闋�(l菒ng)鍩熺殑浣庡闆绘簮瑙ｆ焙鏂规銆�

鏇夸唬鍨嬭櫉(h脿o)

LM2576, AP1557, MP1574

lm5574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)

lm5574璩囨枡 鏇村>

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