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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 > LP3905

LP3905 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/30 14:58:19 鏌ョ湅 闁辫畝锛�14

LP3905鏄竴娆句綆鍔熻��銆侀珮绮惧害鐨勭窔鎬х┅(w臎n)澹撳櫒锛岄仼鐢ㄤ簬渚挎敎寮忚ō(sh猫)鍌欏拰闆绘睜渚涢浕绯荤当(t菕ng)銆傝┎鑺墖鍏锋湁鍑鸿壊鐨勯浕婧愭姂鍒舵瘮锛圥SRR锛夊拰杓冧綆鐨勮几鍑哄櫔鑱诧紝闈炲父閬╁悎鐐烘晱鎰熺殑妯℃摤闆昏矾鎻愪緵绌�(w臎n)瀹氱殑闆绘簮闆诲銆�
銆�銆�LP3905閲囩敤鍥哄畾杓稿嚭闆诲瑷�(sh猫)瑷�(j矛)锛岄�氬父鐐�1.2V鑷�5.0V鑼冨湇鍏�(n猫i)鐨勬煇涓�鐗瑰畾鍊�銆傚叾灏佽褰㈠紡鍖呮嫭TO-252銆佸皝瑁�锛屼究浜庡湪绌洪枔鍙楅檺鐨勬噳(y墨ng)鐢ㄤ腑浣跨敤銆�

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�1.2V 鑷� 5.0V锛堝浐瀹氳几鍑洪浕澹撶増鏈級
銆�銆�杓稿嚭闆绘祦锛氭渶澶�300mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪��18渭A
銆�銆� dropout闆诲锛氬吀鍨嬪��300mV锛堝湪300mA璨�(f霉)杓変笅锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歍O-252, SOT-23

鐗规��

LP3905鍏峰倷浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆�銆�1. 楂橀浕婧愭姂鍒舵瘮锛圥SRR锛�锛屽湪1kHz闋荤巼涓嬪彲閬�(d谩)65dB浠ヤ笂锛岃兘澶犳湁鏁堥檷浣庤几鍏ョ鐨勭磱娉㈠皪(du矛)杓稿嚭鐨勫奖闊�銆�
銆�銆�2. 妤典綆鐨勮几鍑哄櫔鑱�锛岄仼鍚堢偤灏勯牷锛圧F锛夐浕璺拰绮惧瘑妯℃摤闆昏矾渚涢浕銆�
銆�銆�3. 鍏�(n猫i)缃亷(gu貌)娴佷繚璀�(h霉)鍜岄亷(gu貌)婧繚璀�(h霉)鍔熻兘锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳�с��
銆�銆�4. 蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鑳藉姏锛岃兘澶犻仼鎳�(y墨ng)璨�(f霉)杓夐浕娴佸揩閫熻畩鍖栫殑鍫�(ch菐ng)鏅��
銆�銆�5. 灏忓瀷鍖栫殑灏佽褰㈠紡锛岄檷浣庝簡PCB甯冨眬鐨勫京(f霉)闆滃害骞剁瘈(ji茅)鐪佷簡绌洪枔銆�
銆�銆�6. 绌�(w臎n)瀹氱殑杓稿嚭闆诲鎬ц兘锛屽湪鍚勭ó璨�(f霉)杓夋浠朵笅鍧囪兘淇濇寔鑹ソ鐨勮(di脿o)绡�(ji茅)绮惧害銆�

鎳�(y墨ng)鐢�

LP3905寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佷綆鍔熻�楀拰楂樼┅(w臎n)瀹氭�х殑鍫�(ch菐ng)鍚堬紝鍖呮嫭锛�
銆�銆�1. 渚挎敎寮忛浕瀛愮敘(ch菐n)鍝�锛屽鎵嬫(j墨)銆佸钩鏉块浕鑵�銆佸彲绌挎埓瑷�(sh猫)鍌欑瓑銆�
銆�銆�2. 闆绘睜渚涢浕瑷�(sh猫)鍌�锛屼緥濡傜劇(w煤)绶氬偝鎰熷櫒绡�(ji茅)榛�(di菐n)銆佹墜鎸佸紡閱�(y墨)鐧傚剙鍣ㄧ瓑銆�
銆�銆�3. 妯℃摤闆昏矾鍜屽皠闋婚浕璺殑闆绘簮绠＄悊锛屽闊抽牷鏀惧ぇ鍣�銆佹暩(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒绛�銆�
銆�銆�4. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�5. 鍏朵粬灏�(du矛)闆绘簮绌�(w臎n)瀹氭�ц姹傝純楂樼殑闆诲瓙绯荤当(t菕ng)銆�

鏇夸唬鍨嬭櫉(h脿o)

TPS73033, LD1117V33, MCP1703T-3302E

lp3905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)

lp3905璩囨枡 鏇村>

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

lp3905鐢�(ch菐n)鍝�