LM2757 鏅�(sh铆)闁擄細2025/5/9 16:21:33 闁辫畝锛�31

LM2757鏄竴娆剧敱寰峰窞鍎€鍣紙TI锛夌敓鐢�(ch菐n)鐨勫悓姝ラ檷澹�-鍗囧杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖鑳藉鍦ㄨ几鍏ラ浕澹撻珮浜庛€佷綆浜庢垨绛変簬杓稿嚭闆诲鐨勬儏娉佷笅宸ヤ綔锛屾彁渚涚┅(w臎n)瀹氫笖楂樻晥鐨勯浕婧愮鐞嗘柟妗�銆傚畠閬╃敤浜庨渶瑕佸杓稿叆闆诲鑼冨湇鐨勪究鏀滃紡瑷�(sh猫)鍌欏拰宸ユキ(y猫)鎳�(y墨ng)鐢ㄣ€侺M2757閲囩敤鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗锛屽苟鍏锋湁鍏�(n猫i)閮ㄨ(b菙)鍎熷姛鑳斤紝寰炶€岀啊(ji菐n)鍖栦簡瑷�(sh猫)瑷�(j矛)閬�(gu貌)绋�銆�
銆€銆€LM2757鏀寔楂橀仈(d谩)3A鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦锛屽苟闆嗘垚浜嗛珮绔拰浣庣MOSFET浠ユ彁楂樻晥鐜�銆傛澶�锛屽畠閭勫叿鍌欏绋繚璀�(h霉)鍔熻兘锛屼緥濡傞亷(gu貌)娴佷繚璀�(h霉)銆佺啽闂�(gu膩n)鏂风瓑锛岀⒑淇濆湪鍚勭ó宸ユ硜涓嬬殑鍙潬鎬�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆€銆€杓稿嚭闆诲鑼冨湇锛�1.8V 鑷� 5.2V
銆€銆€闁�(k膩i)闂�(gu膩n)闋荤巼锛�1.5MHz
銆€銆€杓稿嚭闆绘祦锛�3A锛堥€ｇ簩(x霉)锛�
銆€銆€灏佽椤�(l猫i)鍨嬶細WSON-10

鐗规€�

LM2757鐨勪富瑕佺壒鎬у寘鎷珮鏁堣兘鍚屾鏁存祦鎶€琛�(sh霉)锛岃兘澶犳笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟绨�(ji菐n)鍖栭浕璺ō(sh猫)瑷�(j矛)銆傚叾楂橀枊(k膩i)闂�(gu膩n)闋荤巼鍏佽ū浣跨敤鏇村皬鐨勯浕鎰熷拰闆诲锛屽緸鑰岄檷浣庢暣楂旇В姹烘柟妗堝昂瀵�銆傛澶�锛孡M2757鍏峰倷绮炬簴(zh菙n)鐨勪娇鑳藉紩鑵抽柧鍊�锛屽彲浠ュ(sh铆)鐝�(xi脿n)闈堟椿鐨勪笂闆绘帶鍒躲€�
銆€銆€鑺墖鐨勯€愬懆鏈熼檺娴佸姛鑳芥彁渚涗簡寮�(qi谩ng)澶х殑鐭矾淇濊(h霉)鑳藉姏锛屽悓鏅�(sh铆)鍏朵綆闈滄厠(t脿i)闆绘祦鏈夊姪浜庡欢闀�(zh菐ng)闆绘睜渚涢浕瑷�(sh猫)鍌欑殑閬�(y霉n)琛屾檪(sh铆)闁撱€傚彟澶�锛岀敱浜嶭M2757鏀寔闄嶅-鍗囧鎷�?f霉)娲岊儹铏奸璨廵閬╁悎浜庡柈绡€(ji茅)閶伴洟瀛愰浕姹犱緵闆荤殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�

鎳�(y墨ng)鐢�

LM2757寤ｆ硾鎳�(y墨ng)鐢ㄤ簬娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝侀牁(l菒ng)鍩�锛屽鏅鸿兘鎵嬫(j墨)鍜屽钩鏉块浕鑵︿腑鐨勯浕姹犲厖闆荤鐞嗘ā濉�銆傚畠涔熷彲鐢ㄤ簬USB绔彛渚涢浕瑁濈疆銆佽棈(l谩n)鐗欒€虫(j墨)浠ュ強鍏朵粬渚挎敎寮忛浕瀛愯ō(sh猫)鍌欎腑锛岀偤绯荤当(t菕ng)鎻愪緵绌�(w臎n)瀹氱殑闆绘簮渚涙噳(y墨ng)銆�
銆€銆€姝ゅ锛屽湪宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欏拰閱�(y墨)鐧傚剙鍣ㄩ牁(l菒ng)鍩�锛孡M2757鍚屾ǎ琛ㄧ従(xi脿n)鍑鸿壊锛屽挨鍏剁暥(d膩ng)閫欎簺瑷�(sh猫)鍌欓渶瑕佸湪杓冨鐨勮几鍏ラ浕澹撹寖鍦嶅収(n猫i)淇濇寔鎭掑畾杓稿嚭鏅�(sh铆)銆�