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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫�(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肩恫(w菐ng) > IC鐧剧 > LP3470

LP3470 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/27 14:27:57 鏌ョ湅 闁辫畝锛�38

LP3470 鏄竴娆鹃珮绮惧害銆佷綆鍔熻�楃殑绶氭�х┅(w臎n)澹撳櫒锛圠DO锛�锛屽皥鐐轰究鏀滃紡瑷�(sh猫)鍌欏拰闆绘睜渚涢浕鎳�(y墨ng)鐢ㄨ�岃ō(sh猫)瑷�(j矛)銆傝┎鑺墖鑳藉鍦ㄥ杓稿叆闆诲鑼冨湇鍏�(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲锛屽悓鏅�(sh铆)鍏峰倷蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屽嚭鑹茬殑闆绘簮鎶戝埗姣旓紙PSRR锛�銆傚叾灏佽灏忓阀锛岄潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆�銆�LP3470 鍏�(n猫i)閮ㄩ泦鎴愪簡澶氱ó淇濊(h霉)鍔熻兘锛屽寘鎷亷娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧棞(gu膩n)鏂风瓑锛岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬮兘鑳藉畨鍏ㄩ亱(y霉n)琛�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.3V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V 鑷� 3.3V
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�� 60uA
銆�銆� dropout 闆诲锛氬吀鍨嬪�� 300mV
銆�銆�闆绘簮鎶戝埗姣旓紙PSRR锛夛細鍦� 1kHz 涓嬬偤 55dB
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽锛歋OT-23, SOT-89

鐗规��

LP3470 鍏锋湁浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆�銆�1. 楂樼簿搴﹁几鍑洪浕澹撹(di脿o)绡�(ji茅)锛岃宸巼灏忎簬卤1%銆�
銆�銆�2. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦锛屾湁鍔╀簬寤堕暦闆绘睜澹藉懡銆�
銆�銆�3. 蹇�熻矤(f霉)杓夊拰绶氳矾鐬厠(t脿i)闊挎噳(y墨ng)锛岄仼鐢ㄤ簬鍕�(d貌ng)鎱�(t脿i)璁婂寲鐨勫伐浣滅挵(hu谩n)澧冦��
銆�銆�4. 鍏�(n猫i)缃閲嶄繚璀�(h霉)姗�(j墨)鍒�锛屾彁楂樼郴绲�(t菕ng)鍙潬鎬�銆�
銆�銆�5. 鏀寔灏忓瀷灏佽閬搁爡(xi脿ng)锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
銆�銆�6. 瀵几鍏ラ浕澹撹寖鍦嶏紝閬╂噳(y墨ng)澶氱ó闆绘簮椤炲瀷銆�

鎳�(y墨ng)鐢�

LP3470 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 渚挎敎寮忛浕瀛愯ō(sh猫)鍌�锛屽鎵嬫(j墨)銆佸钩鏉块浕鑵﹀拰鍙┛鎴磋ō(sh猫)鍌�銆�
銆�銆�2. 闆绘睜渚涢浕鐢�(ch菐n)鍝侊紝渚嬪鐒＄窔鍌虫劅鍣ㄧ瘈(ji茅)榛�(di菐n)鍜屾墜鎸佽ō(sh猫)鍌�銆�
銆�銆�3. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊紝濡� MP3 鎾斁鍣ㄥ拰鏁�(sh霉)纰肩浉姗�(j墨)銆�
銆�銆�4. 宸ユキ(y猫)鎺у埗鍜岄�氫俊妯″涓殑浣庡姛鑰楅浕璺��
銆�銆�5. 閱�(y墨)鐧傝ō(sh猫)鍌�锛屼緥濡傝绯栧剙鍜岃剤鎼忚姘у剙銆�
銆�銆�LP3470 鐨勯珮鏁堣兘鍜屽皬灏哄浣垮叾鎴愮偤闇�瑕侀珮鎬ц兘鍜岀穵婀婅ō(sh猫)瑷�(j矛)鐨勭悊鎯抽伕鎿囥��

鏇夸唬鍨嬭櫉(h脿o)

LP3471, LP3472, AP1117

lp3470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)

lp3470璩囨枡 鏇村>

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