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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 > UC3845BD1

UC3845BD1 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/7 17:19:37 鏌ョ湅 闁辫畝锛�19

UC3845BD1鏄竴娆惧浐瀹氶牷鐜囬浕娴佹ā寮廝WM鎺у埗鍣�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闆㈢窔寮忛枊闂�(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒浠ュ強鍚勯鍔熺巼璁婃彌闆昏矾涓�傚叾涓昏鍔熻兘鏄�氶亷鎺у埗鍔熺巼MOSFET鐨勯枊闂�(gu膩n)鐙�鎱�(t脿i)渚嗚(di脿o)绡�(ji茅)杓稿嚭闆诲鍜岄浕娴�锛岄仼鐢ㄤ簬涓皬鍔熺巼鑼冨湇鍏�(n猫i)鐨勬噳(y墨ng)鐢�銆�
銆�銆�UC3845绯诲垪鑺墖鍏�(n猫i)缃尟钑╁櫒銆佽宸斁澶у櫒銆侀浕娴佹娓�(c猫)姣旇純鍣ㄤ互鍙奝WM閹栧瓨鍣ㄧ瓑鍔熻兘妯″锛岃兘澶�?q奴)宕縁(xi脿n)绮剧⒑鐨勫崰绌烘瘮鎺у埗锛屽苟鍏峰倷澶氱ó淇濊(h霉)鍔熻兘浠ョ⒑淇濈郴绲�(t菕ng)绌�(w臎n)瀹氶亱(y霉n)琛�銆�

鍙冩暩(sh霉)

鍨嬭櫉(h脿o)锛歎C3845BD1
銆�銆�灏佽褰㈠紡锛欴IP-8/SOIC-8
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.5V 鑷� 28V
銆�銆�闁嬮棞(gu膩n)闋荤巼鑼冨湇锛�100kHz 鑷� 500kHz
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氬皬浜�3mA
銆�銆�闈滄厠(t脿i)宸ヤ綔闆绘祦锛氱磩10mA
銆�銆�婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛氬嘲鍊奸浕娴佸彲閬�(d谩)400mA

鐗规��

UC3845BD1鍏锋湁浠ヤ笅鐗归粸(di菐n)锛�
銆�銆�1. 鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屾彁渚涘揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岃壇濂界殑绌�(w臎n)瀹氭��銆�
銆�銆�2. 鍏�(n猫i)缃彲瑾�(di脿o)鎸暕鍣�锛屼究浜庣敤鎴舵牴鎿�(j霉)瀵�(sh铆)闅涢渶姹傝ō(sh猫)瀹氬悎閬╃殑闁嬮棞(gu膩n)闋荤巼銆�
銆�銆�3. 闆嗘垚浜嗙簿瀵嗙殑鍙冭�冮浕澹撴簮锛�2.5V锛�锛屼繚璀夌郴绲�(t菕ng)鐨勯珮绮惧害鎬ц兘銆�
銆�銆�4. 鎻愪緵閫愬懆鏈熼浕娴侀檺鍒跺姛鑳�锛屾湁鏁堥槻姝㈤亷杓夋儏娉佸皪(du矛)闆昏矾閫犳垚鎼嶅銆�
銆�銆�5. 鏀寔娆犲閹栧畾锛圲VLO锛夊姛鑳�锛屽湪杓稿叆闆诲浣庝簬闁惧�兼檪(sh铆)鑷嫊(d貌ng)闂�(gu膩n)闁夎几鍑�銆�
銆�銆�6. 鍏峰倷鐔遍棞(gu膩n)鏂蜂繚璀�(h霉)鍔熻兘锛岄伩鍏嶈姱鐗囧洜閬庣啽鑰屽彈鎼�銆�
銆�銆�7. 鑺墖鍏�(n猫i)閮ㄨō(sh猫)瑷�(j矛)鍎�(y艒u)鍖栵紝鏀寔浣庡姛鑰楀緟姗�(j墨)妯″紡锛岄仼鐢ㄤ簬绡�(ji茅)鑳藉瀷鎳�(y墨ng)鐢�銆�
銆�銆�閫欎簺鐗规�т娇UC3845BD1鎴愮偤涓�娆炬�ц兘鍎�(y艒u)瓒婁笖鍙潬鎬у挤(qi谩ng)鐨凱WM鎺у埗鍣�锛岄仼鍚堝悇绋姛鐜囪畩鎻涘牬(ch菐ng)鏅�銆�

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UC3845BD1涓昏鐢ㄤ簬浠ヤ笅骞惧��(g猫)闋�(l菒ng)鍩燂細
銆�銆�1. 闆㈢窔寮忛枊闂�(gu膩n)闆绘簮锛圫MPS锛�锛屼緥濡傞仼閰嶅櫒銆佸厖闆诲櫒绛�銆�
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛岀敤浜庡皣鐩存祦闆诲寰炰竴鍊�(g猫)闆诲钩杞�(zhu菐n)鎻涘埌鍙︿竴鍊�(g猫)闆诲钩銆�
銆�銆�3. LED椹�(q奴)鍕�(d貌ng)闆绘簮锛岀偤L(zh菐ng)ED鐓ф槑瑷�(sh猫)鍌欐彁渚涚┅(w臎n)瀹氱殑闆绘祦鎴栭浕澹撹几鍑�銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愰儴鍒�銆�
銆�銆�5. 灏忓瀷瀹堕浕鍜屾秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勯浕婧愮鐞嗘ā濉�銆�
銆�銆�6. 閫氫俊瑷�(sh猫)鍌欎腑鐨勫倷鐢ㄩ浕婧愬柈鍏冦��
銆�銆�鐢变簬鍏堕珮闆嗘垚搴﹀拰鍙潬鎬�锛孶C3845BD1鍦ㄤ笂杩版噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅腑琛ㄧ従(xi脿n)鍑鸿壊锛岃兘澶犳豢瓒冲妯ｅ寲鐨勯浕婧愯ō(sh猫)瑷�(j矛)闇�姹�銆�

鏇夸唬鍨嬭櫉(h脿o)

UC3845B, UC3845C, SG3845

uc3845bd1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)

uc3845bd1璩囨枡 鏇村>

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

uc3845bd1鍙冩暩(sh霉)

  • 妯�(bi膩o)婧�(zh菙n)鍖呰98
  • 椤炲垾闆嗘垚闆昏矾 (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�275kHz
  • 鍗犵┖姣�50%
  • 闆绘簮闆诲7.6 V ~ 30 V
  • 闄嶅鐒�
  • 鍗囧鏄�
  • 鍥炴巸鏄�
  • 鍙嶇浉鏄�
  • 鍊嶅鍣�鐒�
  • 闄ゆ硶鍣�鐒�
  • Cuk鐒�
  • 闅旈洟鏄�
  • 宸ヤ綔婧害0°C ~ 70°C
  • 灏佽/澶栨8-SOIC锛�0.154"锛�3.90mm 瀵級
  • 鍖呰绠′欢
  • 鍏跺畠鍚嶇ūUC3845BD1OS