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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 > LM2756

LM2756 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/7 9:03:15 鏌ョ湅 闁辫畝锛�23

LM2756鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夋帹鍑虹殑楂樻晥鍗囧杞�(zhu菐n)鎻涘櫒锛屽収(n猫i)缃姛鐜嘙OSFET锛岃兘澶�?q奴)鈶ゆ枎鑵氬Ψ鑽奉惪绮弮鍙╁Ξ鏁甸箔濡烽锛存挃閰掔懃V娉涙噳(y墨ng)鐢ㄤ簬渚挎敎寮忚ō(sh猫)鍌�銆佹秷璨�(f猫i)闆诲瓙浠ュ強宸ユキ(y猫)闋�(l菒ng)鍩�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�LM2756閲囩敤闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屽叿鏈夊嚭鑹茬殑璨�(f霉)杓夊拰绶氳矾瑾�(di脿o)绡�(ji茅)鑳藉姏锛屽彲纰轰繚鍦ㄥ悇绋伐娉佷笅绌�(w臎n)瀹氶亱(y霉n)琛屻�傛澶�锛屽叾鍥哄畾闋荤巼PWM闁嬮棞(gu膩n)鏂瑰紡鏈夊姪浜庣啊鍖栨烤娉㈠櫒瑷�(sh猫)瑷�锛屽苟娓涘皯澶栭儴鍏冧欢鏁�(sh霉)閲�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.9V~5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�5V锛堝浐瀹氱増锛夋垨鍙(di脿o)
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�500kHz
銆�銆�鏈�澶ц几鍑洪浕娴侊細500mA
銆�銆�宸ヤ綔鏁堢巼锛氶珮閬�(d谩)85%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈125鈩�
銆�銆�灏佽褰㈠紡锛�8寮曡叧SOIC鎴�8寮曡叧MSOP

鐗规��

LM2756鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏�(n猫i)缃姛鐜嘙OSFET锛屾笡灏戜簡澶栭儴鍏冧欢鐨勬暩(sh霉)閲�锛屽緸鑰岄檷浣庝簡鏁撮珨瑙ｆ焙鏂规鐨勬垚鏈拰楂旂⿳銆�
銆�銆�2. 鍥哄畾500kHz闁嬮棞(gu膩n)闋荤巼锛屽厑瑷变娇鐢ㄥ皬鍨嬮浕鎰熷拰闆诲锛岄��(j矛n)涓�姝ュ劒(y艒u)鍖栦簡PCB绌洪枔鍗犵敤銆�
銆�銆�3. 楂橀仈(d谩)85%鐨勮綁(zhu菐n)鎻涙晥鐜�锛屾湁鏁堝欢闀烽浕姹犱緵闆昏ō(sh猫)鍌欑殑绾�(x霉)鑸檪闁�銆�
銆�銆�4. 鐔遍棞(gu膩n)鏂蜂繚璀�(h霉)鍜岄檺娴佸姛鑳斤紝纰轰繚鑺墖鍦ㄧ暟甯告儏娉佷笅涓嶆渻鍙楀埌鎼嶅銆�
銆�銆�5. 鎻愪緵鍥哄畾5V杓稿嚭鐗堟湰浠ュ強鍙(di脿o)杓稿嚭鐗堟湰锛屾豢瓒充笉鍚屾噳(y墨ng)鐢ㄩ渶姹�銆�
銆�銆�6. 鑹ソ鐨凟MI鎬ц兘锛屾槗浜庨�氶亷鐩搁棞(gu膩n)瑾�(r猫n)璀夋脯瑭︺��

鎳�(y墨ng)鐢�

LM2756閬╃敤浜庡绋噳(y墨ng)鐢ㄥ牬鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 渚挎敎寮忛浕瀛愯ō(sh猫)鍌�锛屽鎵嬫(j墨)鍏呴浕鍣ㄣ�佹墜鎸佺祩绔瓑銆�
銆�銆�2. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�锛屼緥濡侻P3鎾斁鍣�銆佹暩(sh霉)纰肩浉姗�(j墨)绛�銆�
銆�銆�3. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�4. LED椹�(q奴)鍕曢浕璺紝鐗瑰垾鏄皪浜庨渶瑕佽純楂橀浕澹撻﹨(q奴)鍕曠殑澶氫覆LED鎳�(y墨ng)鐢�銆�
銆�銆�5. 鍏朵粬闇�瑕佸緸杓冧綆闆诲鍗囪嚦鏇撮珮闆诲鐨勬噳(y墨ng)鐢ㄥ牬鍚�銆�

鏇夸唬鍨嬭櫉

TPS61020
銆�銆�LT1302
銆�銆�MAX756

lm2756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

lm2756璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級