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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺

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 > RT8481

RT8481 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/6/4 14:26:56 鏌ョ湅 闁辫畝锛�8

RT8481 鏄竴娆鹃珮鏁堢巼銆佸悓姝ユ暣娴侀檷澹� (Buck) 杞�(zhu菐n)鎻涘櫒锛岄噰鐢ㄩ浕娴佹ā寮忔帶鍒舵灦妲�(g貌u)锛岃兘澶犳彁渚涢珮閬�(d谩) 3A 鐨勬寔绾�(x霉)杓稿嚭闆绘祦銆傝┎鑺墖闆嗘垚浜嗛珮鍋�(c猫)鍜屼綆鍋�(c猫)鍔熺巼 MOSFET锛岀啊鍖栦簡瑷�(sh猫)瑷�(j矛)骞舵彁楂樹簡鏁堢巼銆傚叾杓稿叆闆诲鑼冨湇鐐� 2.7V 鑷� 5.5V锛岄仼鐢ㄤ簬鍠瘈(ji茅)閶伴浕姹犱緵闆荤殑鎳�(y墨ng)鐢ㄥ牬鏅�銆俁T8481 鏀寔鍙(di脿o)鐨勮几鍑洪浕澹�锛岄�氶亷澶栭儴闆婚樆鍒嗗鍣ㄨō(sh猫)缃�锛屽悓鏅�(sh铆)鍏峰倷蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岃壇濂界殑绶氳矾鍙婅矤(f霉)杓夎(di脿o)绡�(ji茅)鎬ц兘銆�
銆�銆�姝ゅ锛孯T8481 閭勫叿鏈夊绋繚璀�(h霉)鍔熻兘锛屽寘鎷亷娴佷繚璀�(h霉) (OCP)銆佺煭璺繚璀�(h霉) (SCP) 鍜岄亷婧繚璀�(h霉) (OTP)锛屼互纰轰繚鍦ㄥ悇绋伐浣滄浠朵笅鐨勫彲闈犳��銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V - 5.5V
銆�銆�杓稿嚭闆绘祦锛氭渶楂� 3A
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�1MHz
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V - VIN
銆�銆�寰呮(j墨)闆绘祦锛�1uA
銆�銆�鍟熷嫊鏅�(sh铆)闁擄細鍏稿瀷鍊� 1ms
銆�銆�灏佽椤炲瀷锛歐LCSP-12, QFN16

鐗规��

1. 鍏�(n猫i)缃珮鎬ц兘鍚屾鏁存祦 MOSFET锛屾彁楂樻暣楂旇綁(zhu菐n)鎻涙晥鐜囥��
銆�銆�2. 鍥哄畾 1MHz 闁嬮棞(gu膩n)闋荤巼鍏佽ū浣跨敤灏忓瀷闆绘劅鍜岄浕瀹�锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
銆�銆�3. 鏀寔 PWM/PFM 鑷嫊鍒囨彌妯″紡锛屽湪杓曡級姊濅欢涓嬪劒(y艒u)鍖栨晥鐜囥��
銆�銆�4. 鎻愪緵绮炬簴(zh菙n)鐨勪娇鑳藉紩鑵虫帶鍒�锛屾敮鎸佸揩閫熶笂闆诲拰鎺夐浕鏅�(sh铆)搴忕鐞�銆�
銆�銆�5. 鍏峰倷鍏ㄦ柟浣嶇殑淇濊(h霉)姗�(j墨)鍒�锛岀⒑淇濆櫒浠跺湪鐣板父鎯呮硜涓嬬殑瀹夊叏鎬�銆�
銆�銆�6. 瓒呬綆闈滄厠(t脿i)闆绘祦瑷�(sh猫)瑷�(j矛)锛屽欢闀烽浕姹犱緵闆昏ō(sh猫)鍌欑殑閬�(y霉n)琛屾檪(sh铆)闁撱��

鎳�(y墨ng)鐢�

RT8481 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬渚挎敎寮忛浕瀛愯ō(sh猫)鍌欎腑锛屼緥濡傛櫤鑳芥墜姗�(j墨)銆佸钩鏉块浕鑵︺�佽棈(l谩n)鐗欒�虫(j墨)銆佸彲绌挎埓瑷�(sh猫)鍌欑瓑闇�瑕侀珮鏁堥浕婧愮鐞嗙殑鍫村悎銆傛澶�锛屽畠涔熼仼鍚堜簬 USB 渚涢浕鐨勫瑷�(sh猫)浠ュ強涓�鑸秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪綆澹撻檷澹撹綁(zhu菐n)鎻涢渶姹�銆�

鏇夸唬鍨嬭櫉

RT8482, AP63200, MP2307

rt8481鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉
  • 瑭㈠児(ji脿)

rt8481璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級