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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 > LT3990EMSE-3.3#TRPBF

LT3990EMSE-3.3#TRPBF 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/7 10:54:44 鏌ョ湅 闁辫畝锛�22

LT3990 鏄竴娆剧敱 Analog Devices 鐢熺敘(ch菐n)鐨勯珮鏁堝悓姝ラ檷澹撳瀷 DC/DC 杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖閲囩敤鎭掑畾闋荤巼闆绘祦妯″紡鏋舵(g貌u)锛屾彁渚涢珮鏁堢巼鍜岀簿纰虹殑杓稿嚭瑾�(di脿o)绡�(ji茅)銆傚叾灏佽褰㈠紡鐐� MSE锛屽苟甯舵湁 -3.3V 杓稿嚭闆诲閬搁爡(xi脿ng)銆傛鍣ㄤ欢閬╃敤浜庡绋浕婧愮鐞嗗牬鏅�锛屽挨鍏舵槸鍦ㄩ渶瑕佺穵婀婅ō(sh猫)瑷�(j矛)鍜岄珮鏁堢巼鐨勬噳(y墨ng)鐢ㄤ腑銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V 鑷� 60V
銆�銆�杓稿嚭闆诲鑼冨湇锛氬浐瀹� -3.3V
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�200kHz 鑷� 1MHz 鍙(di脿o)
銆�銆�鏈�澶ц几鍑洪浕娴侊細楂橀仈(d谩) 1A
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歁SE (Exposing Pad)

鐗规��

LT3990 鎻愪緵浜嗗绋棞(gu膩n)閸电壒鎬т互婊胯冻鍤�(y谩n)鏍肩殑闆绘簮瑕佹眰銆�
銆�銆�1. 楂樻晥鍚屾鏁存祦鍔熻兘椤憲闄嶄綆鍔熻�楀苟鎻愰珮鏁堢巼銆�
銆�銆�2. 鍏�(n猫i)缃姛鐜� MOSFET 娓涘皯浜嗗閮ㄥ厓浠舵暩(sh霉)閲�锛岀啊鍖栦簡闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆�銆�3. 瀵几鍏ラ浕澹撹寖鍦嶄娇鍏堕仼鍚堝悇绋几鍏ユ浠朵笅鐨勬噳(y墨ng)鐢ㄣ��
銆�銆�4. 鍏锋湁绮炬簴(zh菙n)鐨勪娇鑳藉紩鑵虫帶鍒�锛屾敮鎸侀潏娲荤殑鎺ラ��/鏂烽枊鎿嶄綔銆�
銆�銆�5. 鎻愪緵閬庣啽淇濊(h霉)鍜岀煭璺繚璀�(h霉)鍔熻兘锛岀⒑淇濈郴绲�(t菕ng)瀹夊叏閬�(y霉n)琛�銆�
銆�銆�6. 鏀寔鍙法绋嬭粺鍟熷嫊(d貌ng)锛岄伩鍏嶅暉鍕�(d貌ng)鏅�(sh铆)鐨勫ぇ闆绘祦娌栨搳銆�
銆�銆�7. 鎻愪緵澶栭儴瑁�(b菙)鍎熼伕闋�(xi脿ng)浠ュ劒(y艒u)鍖栫挵(hu谩n)璺┅(w臎n)瀹氭�с��

鎳�(y墨ng)鐢�

LT3990 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬宸ユキ(y猫)銆佹苯杌婂強閫氫俊闋�(l菒ng)鍩熶腑鐨勫绋牬鍚堬細
銆�銆�1. 姹借粖闆诲瓙绯荤当(t菕ng)涓殑璨�(f霉)杓夐粸(di菐n)杞�(zhu菐n)鎻�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勭┅(w臎n)澹撻浕婧愭ā濉�銆�
銆�銆�3. 閫氫俊鍩虹珯鍙婄恫(w菐ng)绲�(lu貌)瑷�(sh猫)鍌欎腑鐨勫垎甯冨紡闆绘簮绠＄悊銆�
銆�銆�4. LED 椹�(q奴)鍕�(d貌ng)鍣ㄥ強鍏朵粬灏嶆晥鐜囧拰灏哄鏁忔劅鐨勮ō(sh猫)瑷�(j矛)鏂规銆�
銆�銆�5. 闆绘睜渚涢浕瑷�(sh猫)鍌欎腑鐨勯珮鏁堥浕婧愯綁(zhu菐n)鎻涢儴鍒�銆�

鏇夸唬鍨嬭櫉(h脿o)

LT8610, LM2596, AP63200

lt3990emse-3.3#trpbf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)

lt3990emse-3.3#trpbf鍙冩暩(sh霉)

  • 鏁�(sh霉)鎿�(j霉)鍒楄〃LT3990
  • 妯�(bi膩o)婧�(zh菙n)鍖呰2,500
  • 椤炲垾闆嗘垚闆昏矾 (IC)
  • 瀹跺涵PMIC - 绌�(w臎n)澹撳櫒 - DC DC 闁嬮棞(gu膩n)绌�(w臎n)澹撳櫒
  • 绯诲垪-
  • 椤炲瀷闄嶅锛堥檷澹擄級
  • 杓稿嚭椤炲瀷鍥哄畾
  • 杓稿嚭鏁�(sh霉)1
  • 杓稿嚭闆诲1.21 V ~ 25 V
  • 杓稿叆闆诲4.2 V ~ 62 V
  • PWM 鍨�闆绘祦妯″紡锛孊urst Mode?
  • 闋荤巼 - 闁嬮棞(gu膩n)210kHz ~ 2.3MHz
  • 闆绘祦 - 杓稿嚭350mA
  • 鍚屾鏁存祦鍣�鐒�
  • 宸ヤ綔婧害-40°C ~ 125°C
  • 瀹夎椤炲瀷琛ㄩ潰璨艰
  • 灏佽/澶栨16-TFSOP锛�0.118"锛�3.00mm 瀵級瑁搁湶鐒婄洡
  • 鍖呰甯跺嵎 (TR)
  • 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�16-MSOP锛岃８闇茬剨鐩�