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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 > LM2705

LM2705 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/7 8:57:44 鏌ョ湅 闁辫畝锛�37

LM2705鏄竴娆惧悓姝ラ檷澹撶洿娴�-鐩存祦杞�(zhu菐n)鎻涘櫒锛屽叿鏈夐珮鏁堢巼鍜屼綆鍔熻�楃殑鐗归粸銆傝┎鍣ㄤ欢闆嗘垚浜嗗収(n猫i)閮ㄩ枊闂�(gu膩n)鏅堕珨绠�锛屽苟涓旇兘澶犳彁渚涢珮閬�1A鐨勮几鍑洪浕娴併�傚叾宸ヤ綔杓稿叆闆诲鑼冨湇鐐�3.5V鑷�42V锛岄仼鐢ㄤ簬澶氱ó闆绘簮鐠�(hu谩n)澧�锛屽寘鎷苯杌婇浕姹犱緵闆荤郴绲�(t菕ng)銆�
銆�銆�LM2705閲囩敤浜嗗浐瀹氶牷鐜囬浕娴佹ā寮忔灦妲�(g貌u)锛屽厑瑷变娇鐢ㄥ皬鍨嬮浕鎰熷櫒鍜岄櫠鐡烽浕瀹瑰櫒銆傞�氶亷澶栭儴瑁滃劅寮曡叧鍙互鍎�(y艒u)鍖栫挵(hu谩n)璺┅(w臎n)瀹氭��锛屽悓鏅傛彁渚涘揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)銆傛澶栵紝瑭茶姱鐗囧収(n猫i)缃簡杌熷暉鍕曞姛鑳�锛屼互娓涘皯涓婇浕鏅傜殑娴秾闆绘祦銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�3.5V 鑷� 42V
銆�銆�杓稿嚭闆绘祦锛氶珮閬�1A
銆�銆�闁嬮棞(gu膩n)闋荤巼锛氬彲瑾�(di脿o)锛堝吀鍨嬪�肩偤500kHz锛�
銆�銆�鏁堢巼锛氶珮閬�95%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛�8寮曡叧SOIC鎴朚SOP

鐗规��

LM2705鐨勪富瑕佺壒鎬у涓嬶細
銆�銆�1. 瀵几鍏ラ浕澹撹寖鍦�锛屾敮鎸佸悇绋浕婧愭噳(y墨ng)鐢�銆�
銆�銆�2. 楂橀仈1A鐨勬寔绾�(x霉)杓稿嚭闆绘祦鑳藉姏銆�
銆�銆�3. 鍥哄畾闋荤巼PWM鎺у埗锛岀⒑淇濈┅(w臎n)瀹氱殑杓稿嚭闆诲銆�
銆�銆�4. 鍏�(n猫i)缃甅OSFET闁嬮棞(gu膩n)鏅堕珨绠★紝鐒￠渶澶栨帴鍔熺巼鍣ㄤ欢銆�
銆�銆�5. 鍙(di脿o)绡�(ji茅)鐨勯枊闂�(gu膩n)闋荤巼锛屼究浜庡劒(y艒u)鍖朎MI鎬ц兘銆�
銆�銆�6. 鎻愪緵閬庢祦淇濊銆佺煭璺繚璀峰拰鐔遍棞(gu膩n)鏂蜂繚璀�锛屽寮风郴绲�(t菕ng)鐨勫彲闈犳��銆�
銆�銆�7. 鏀寔灏忓瀷闄剁摲闆诲锛屾笡灏慞CB鍗犱綅闈㈢⿳銆�
銆�銆�8. 鍏�(n猫i)缃粺鍟熷嫊鍔熻兘锛岄檷浣庡暉鍕曟湡闁撶殑闆绘祦娌栨搳銆�
銆�銆�9. 楂樻晥鐜囪ō(sh猫)瑷�锛屾笡灏戠櫦(f膩)鐔卞苟鎻愬崌鏁撮珨鎬ц兘銆�

鎳�(y墨ng)鐢�

LM2705閬╁悎鐢ㄤ簬浠ヤ笅鎳�(y墨ng)鐢ㄥ牬鏅細
銆�銆�1. 姹借粖闆诲瓙瑷�(sh猫)鍌�锛屽杌婅級闊抽熆绯荤当(t菕ng)銆佸皫(d菐o)鑸剙绛�銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗闋�(l菒ng)鍩�锛屼緥濡傚偝鎰熷櫒渚涢浕鍜岄仩(yu菐n)绋嬬洠(ji膩n)鎺цō(sh猫)鍌�銆�
銆�銆�3. 渚挎敎寮忔秷璨婚闆诲瓙鐢�(ch菐n)鍝�锛屾瘮濡傛暩(sh霉)纰肩浉姗熷拰绉诲嫊闆绘簮銆�
銆�銆�4. LED椹�(q奴)鍕曢浕婧�锛岀壒鍒ユ槸闇�瑕侀珮鏁堢巼鍜屽皬灏哄瑙ｆ焙鏂规鐨勫牬鍚�銆�
銆�銆�5. 閫氫俊瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉婏紝渚嬪璺敱鍣ㄥ拰浜ゆ彌姗�銆�
銆�銆�6. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勪綆澹撻浕婧愯綁(zhu菐n)鎻�锛屽渚挎敎寮忚绯栧剙鎴栬澹撹▓銆�

鏇夸唬鍨嬭櫉

LM2675, LM2576, AP1551

lm2705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

lm2705璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級