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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 > UC3843BD

UC3843BD 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/30 15:45:27 鏌ョ湅 闁辫畝锛�37

UC3843BD 鏄竴绋珮鎬ц兘鐨勯浕娴佹ā寮� PWM 鎺у埗鍣紝寤ｆ硾鎳�(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)鎻涘櫒鍜屽弽婵�寮忚畩鎻涘櫒涓�傝┎鑺墖闆嗘垚浜嗘尟钑╁櫒銆佽宸斁澶у櫒銆侀浕娴佹娓�(c猫)姣旇純鍣ㄥ拰楂樺鐩奝WM閹栧瓨鍣ㄧ瓑鍔熻兘妯″锛岃兘澶犳彁渚涚簿纰虹殑鍗犵┖姣旀帶鍒跺拰蹇�熺殑璨�(f霉)杓夐熆鎳�(y墨ng)銆俇C3843BD閲囩敤8寮曡叧DIP鎴朣OIC灏佽锛岄仼鐢ㄤ簬鍚勭ó涓皬鍔熺巼鐨勯浕婧愯ō(sh猫)瑷�(j矛)銆�

鍙冩暩(sh霉)

渚涢浕闆诲锛�7V~36V
銆�銆�宸ヤ綔闋荤巼锛�100kHz~500kHz
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氬皯浜�2mA
銆�銆�鍩烘簴(zh菙n)闆诲锛�5V 卤1%
銆�銆�鏈�澶у崰绌烘瘮锛�99.5%
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛氬嘲鍊兼簮闆绘祦/鐏岄浕娴佺偤400mA/600mA
銆�銆�淇濊(h霉)鍔熻兘锛氶�愬懆鏈熼檺娴佷繚璀�(h霉)
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C ~ +125掳C

鐗规��

UC3843BD鍏锋湁浠ヤ笅鐗归粸(di菐n)锛�
銆�銆�1. 闆嗘垚鍖栫▼搴﹂珮锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲�锛岀啊(ji菐n)鍖栦簡闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆�銆�2. 鏀寔瀵寖鍦嶇殑宸ヤ綔闆诲杓稿叆锛岄仼鎳�(y墨ng)澶氱ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅��
銆�銆�3. 鍏�(n猫i)缃珮绮惧害鍩烘簴(zh菙n)婧愬拰鎸暕鍣�锛屼繚璀夌郴绲�(t菕ng)绌�(w臎n)瀹氶亱(y霉n)琛�銆�
銆�銆�4. 鎻愪緵鍙(di脿o)鐨勫伐浣滈牷鐜�锛屾豢(m菐n)瓒充笉鍚屽姛鐜囩瓑绱�(j铆)鐨勮ō(sh猫)瑷�(j矛)闇�姹傘��
銆�銆�5. 閲囩敤闆绘祦妯″紡鎺у埗锛屽寮�(qi谩ng)浜嗙郴绲�(t菕ng)鐨勫嫊(d貌ng)鎱�(t脿i)闊挎噳(y墨ng)鑳藉姏鍜屾姉骞叉摼鎬ц兘銆�
銆�銆�6. 鍏锋湁瀹屽杽鐨勪繚璀�(h霉)姗�(j墨)鍒�锛屽閬�(gu貌)娴佷繚璀�(h霉)鍜屾瑺澹撻帠瀹�锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
銆�銆�7. 灏佽灏忓阀锛屼究浜庡畨瑁濆拰甯冨眬銆�

鎳�(y墨ng)鐢�

UC3843BD涓昏鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 闁�(k膩i)闂�(gu膩n)闆绘簮锛圫MPS锛夎ō(sh猫)瑷�(j矛)涓殑PWM鎺у埗鍣�銆�
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛屽寘鎷崌澹�銆侀檷澹撳拰鍗囬檷澹撴嫇?f霉)娲�?br>銆�銆�3. 鍙嶆縺寮忚畩鎻涘櫒浠ュ強鍏朵粬闅旈洟寮忛浕婧愯В姹烘柟妗堛��
銆�銆�4. LED椹�(q奴)鍕�(d貌ng)闆绘簮鍜屽叾浠栭渶瑕佺簿纰洪浕娴佹帶鍒剁殑鎳�(y墨ng)鐢�銆�
銆�銆�5. 鍚勭ó娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝�銆佸伐妤�(y猫)瑷�(sh猫)鍌欏強閫氫俊瑷�(sh猫)鍌欎腑鐨勯浕婧愮鐞嗛儴鍒�銆�

鏇夸唬鍨嬭櫉(h脿o)

UC3842B, UC3843B

uc3843bd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�(x煤n)鍍�(ji脿)

uc3843bd璩囨枡 鏇村>

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

uc3843bd鍙冩暩(sh霉)

  • 妯�(bi膩o)婧�(zh菙n)鍖呰55
  • 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�275kHz
  • 鍗犵┖姣�96%
  • 闆绘簮闆诲7.6 V ~ 30 V
  • 闄嶅鐒�(w煤)
  • 鍗囧鏄�
  • 鍥炴巸鏄�
  • 鍙嶇浉鐒�(w煤)
  • 鍊嶅鍣�鐒�(w煤)
  • 闄ゆ硶鍣�鐒�(w煤)
  • Cuk鐒�(w煤)
  • 闅旈洟鏄�
  • 宸ヤ綔婧害0°C ~ 70°C
  • 灏佽/澶栨14-SOIC锛�0.154"锛�3.90mm 瀵級
  • 鍖呰绠′欢
  • 鍏跺畠鍚嶇ū(ch膿ng)UC3843BDOS