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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 > UC3843N

UC3843N 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/28 17:17:25 鏌ョ湅 闁辫畝锛�32

UC3843N鏄竴绋珮鎬ц兘鐨勯浕娴佹ā寮廝WM鎺у埗鍣ㄨ姱鐗�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闁�(k膩i)闂�(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒鍜屽姛鐜囧洜鏁�(sh霉)鏍℃绛夐牁(l菒ng)鍩熴�傝┎鑺墖鍏锋湁楂橀泦鎴愬害銆佷綆鍔熻�楀拰鏄撲簬浣跨敤鐨勭壒榛�(di菐n)锛岃兘澶犳彁渚涚簿纰虹殑鍗犵┖姣旀帶鍒跺拰蹇�熺殑鐬厠(t脿i)闊挎噳(y墨ng)銆俇C3843N鐨勫伐浣滈浕澹撹寖鍦嶈純瀵�锛岄仼鐢ㄤ簬鍚勭ó闆绘簮瑷�(sh猫)瑷�(j矛)闇�姹�銆�
銆�銆�UC3843N鍏�(n猫i)閮ㄩ泦鎴愪簡鎸暕鍣�銆佽宸斁澶у櫒銆侀浕娴侀檺鍒舵瘮杓冨櫒浠ュ強PWM閹栧瓨鍣ㄧ瓑鍔熻兘妯″锛屽緸鑰岀啊(ji菐n)鍖栦簡澶栭儴闆昏矾鐨勮ō(sh猫)瑷�(j矛)銆傚叾闆绘祦妯″紡鎺у埗鏋舵(g貌u)浣垮緱绯荤当(t菕ng)鍙互瀵�(sh铆)鐝�(xi脿n)鏇撮珮鏁堢殑鐠�(hu谩n)璺(b菙)鍎熷拰鏇村ソ鐨勫嫊(d貌ng)鎱�(t脿i)鎬ц兘銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�7V~36V
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氬皬浜�1mA
銆�銆�鍩烘簴(zh菙n)闆诲锛�5V卤1%
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細100kHz~500kHz
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛氬嘲鍊兼媺闆绘祦/鐏岄浕娴佺偤200mA/400mA
銆�銆�淇濊(h霉)鍔熻兘锛氬収(n猫i)缃亷(gu貌)娴佷繚璀�(h霉)銆佹瑺澹撻帠瀹氾紙UVLO锛�
銆�銆�灏佽褰㈠紡锛欴IP8/SOIC8

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UC3843N閲囩敤闆绘祦妯″紡鎺у埗鏂瑰紡锛屽叿鍌欎互涓嬩富瑕佺壒鎬э細
銆�銆�1. 闆嗘垚鍖栫▼搴﹂珮锛屽鍦嶅厓浠舵暩(sh霉)閲忓皯锛岄檷浣庝簡鏁撮珨瑷�(sh猫)瑷�(j矛)寰�(f霉)闆滄��銆�
銆�銆�2. 鍏�(n猫i)缃珮绮惧害鍩烘簴(zh菙n)婧愬拰婧害瑁�(b菙)鍎熼浕璺�锛岀⒑淇濆湪涓嶅悓鐠�(hu谩n)澧冧笅鐨勭┅(w臎n)瀹氭��銆�
銆�銆�3. 鎻愪緵鍙(di脿o)鎸暕闋荤巼锛屽厑瑷辩敤鎴�(h霉)鏍规摎(j霉)鍏烽珨鎳�(y墨ng)鐢ㄨ(di脿o)鏁撮枊(k膩i)闂�(gu膩n)闋荤巼銆�
銆�銆�4. 鏀寔鏂滅巼瑁�(b菙)鍎�锛屾湁鍔╀簬闃叉娆¤娉㈡尟钑╋紝鎻愰珮绯荤当(t菕ng)鍙潬鎬�銆�
銆�銆�5. 鍏�(n猫i)閮ㄩ泦鎴愭湁閬�(gu貌)娴佷繚璀�(h霉)鍜屾瑺澹撻帠瀹氬姛鑳斤紝澧炲挤(qi谩ng)浜嗚姱鐗囧強绯荤当(t菕ng)鐨勫畨鍏ㄦ�с��
銆�銆�6. 杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏寮�(qi谩ng)锛岃兘鐩存帴椹�(q奴)鍕�(d貌ng)MOSFET鎴栭洐妤靛瀷鏅堕珨绠＄瓑鍔熺巼鍣ㄤ欢銆�

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UC3843N閬╁悎鐢ㄤ簬澶氱ó闆绘簮绠＄悊鍫�(ch菐ng)鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 闁�(k膩i)闂�(gu膩n)闆绘簮閬╅厤鍣ㄨō(sh猫)瑷�(j矛)锛屼緥濡傜瓎瑷樻湰闆昏叇鍏呴浕鍣�銆佹墜姗�(j墨)鍏呴浕鍣ㄧ瓑銆�
銆�銆�2. LED椹�(q奴)鍕�(d貌ng)闆绘簮锛屽挨鍏舵槸闇�瑕侀珮鏁堢巼鍜岃壇濂界┅(w臎n)瀹氭�х殑鍫�(ch菐ng)鍚�銆�
銆�銆�3. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�4. DC-DC杞�(zhu菐n)鎻涘櫒锛屽鍗囧銆侀檷澹撴垨鍙嶆縺寮忔嫇?f霉)娴(ji茅)妲�(g貌u)鐨勬噳(y墨ng)鐢�銆�
銆�銆�5. 灏忓瀷瀹堕浕鍙婃秷璨�(f猫i)闆诲瓙鐢�(ch菐n)鍝佺殑闆绘簮瑙ｆ焙鏂规銆�
銆�銆�6. 鍔熺巼鍥犳暩(sh霉)鏍℃锛圥FC锛夊墠绱�(j铆)闆昏矾锛屼互婊�(m菐n)瓒冲毚(y谩n)鏍肩殑EMC瑕佹眰銆�

鏇夸唬鍨嬭櫉(h脿o)

UC3843B, UC3843A, SG3843

uc3843n鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

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

uc3843n鍙冩暩(sh霉)

  • 妯�(bi膩o)婧�(zh菙n)鍖呰3,000
  • 椤�(l猫i)鍒�闆嗘垚闆昏矾 (IC)
  • 瀹跺涵PMIC - 绌�(w臎n)澹撳櫒 - DC DC 鍒囨彌鎺у埗鍣�
  • 绯诲垪-
  • PWM 鍨�闆绘祦妯″紡
  • 杓稿嚭鏁�(sh霉)1
  • 闋荤巼 - 鏈�澶�500kHz
  • 鍗犵┖姣�100%
  • 闆绘簮闆诲7.6 V ~ 30 V
  • 闄嶅鐒�(w煤)
  • 鍗囧鐒�(w煤)
  • 鍥炴巸鐒�(w煤)
  • 鍙嶇浉鐒�(w煤)
  • 鍊嶅鍣�鐒�(w煤)
  • 闄ゆ硶鍣�鐒�(w煤)
  • Cuk鐒�(w煤)
  • 闅旈洟鐒�(w煤)
  • 宸ヤ綔婧害0°C ~ 70°C
  • 灏佽/澶栨8-DIP锛�0.300"锛�7.62mm锛�
  • 鍖呰绠′欢
  • 鍏跺畠鍚嶇ū(ch膿ng)UC3843NFS