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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 > TPS740

TPS740 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/12 18:44:41 鏌ョ湅 闁辫畝锛�28

TPS740鏄竴娆句綆鍔熻��銆佷綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛夛紝鐢卞痉宸炲剙鍣紙TI锛夌敓鐢�(ch菐n)銆傝┎绯诲垪鍣ㄤ欢灏堢偤闇�瑕侀珮闆绘簮鎶戝埗姣旓紙PSRR锛夊拰浣庡櫔鑱茬殑鎳�(y墨ng)鐢ㄨ�岃ō(sh猫)瑷堬紝閬╃敤浜庝究鏀滃紡闆诲瓙瑷�(sh猫)鍌欏拰鍏朵粬灏嶉浕婧愯姹傝嫑鍒荤殑鍫存櫙銆�
銆�銆�TPS740鍏锋湁闈炲父浣庣殑闈滄厠(t脿i)闆绘祦锛屼娇鍏舵垚鐐洪浕姹犱緵闆昏ō(sh猫)鍌欑殑鐞嗘兂閬告搰銆傚叾杓稿嚭闆诲鑼冨湇寰�1.2V鍒�5.5V鍙(di脿o)锛屽苟涓旇兘澶犳彁渚涢珮閬�(d谩)300mA鐨勮矤(f霉)杓夐浕娴�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�1.7V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V 鑷� 杓稿叆闆诲-0.2V
銆�銆�杓稿嚭闆绘祦锛�300mA
銆�銆�闈滄厠(t脿i)闆绘祦锛�85uA锛堝吀鍨嬪�硷級
銆�銆�璨�(f霉)杓夎(di脿o)绡�(ji茅)锛�1%锛�300mA 璨�(f霉)杓夎畩鍖栵級
銆�銆�绶氳矾瑾�(di脿o)绡�(ji茅)锛�0.1% / V
銆�銆�闆绘簮鎶戝埗姣旓紙PSRR锛夛細65dB @ 1kHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋OT-23, SC70

鐗规��

TPS740绯诲垪鍏锋湁浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆�銆�1. 妤典綆鐨勫宸浕澹擄紝纰轰繚楂樻晥閬嬭骞跺欢闀烽浕姹犲＝鍛�銆�
銆�銆�2. 楂橀浕婧愭姂鍒舵瘮锛圥SRR锛�锛屾湁鏁堥檷浣庨浕婧愮磱娉㈠皪绯荤当(t菕ng)鐨勫奖闊裤��
銆�銆�3. 绌�(w臎n)瀹氱殑杓稿嚭闆诲锛屽嵆浣垮湪璨�(f霉)杓夋垨杓稿叆闆诲蹇�熻畩鍖栨檪涔熻兘淇濇寔绌�(w臎n)瀹�銆�
銆�銆�4. 鍏�(n猫i)缃繚璀�(h霉)鍔熻兘锛屽寘鎷亷娴佷繚璀�(h霉)鍜岄亷婧棞(gu膩n)鏂凤紝鎻愰珮绯荤当(t菕ng)鐨勫彲闈犳��銆�
銆�銆�5. 灏忓瀷灏佽锛岄仼鍚堢┖闁撳彈闄愮殑瑷�(sh猫)瑷�銆�
銆�銆�閫欎簺鐗规�т娇寰桾PS740闈炲父閬╁悎浜庡皪鍣伈鏁忔劅鐨勬噳(y墨ng)鐢紝渚嬪RF闆昏矾銆侀煶闋昏ō(sh猫)鍌欎互鍙婂悇绋究鏀滃紡闆诲瓙鐢�(ch菐n)鍝�銆�

鎳�(y墨ng)鐢�

TPS740寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 渚挎敎寮忛浕瀛愮敘(ch菐n)鍝侊紝濡傛櫤鑳芥墜姗�(j墨)銆佸钩鏉块浕鑵︺�佹暩(sh霉)纰肩浉姗�(j墨)绛�銆�
銆�銆�2. RF妯″鍜岀劇绶氶�氫俊瑷�(sh猫)鍌�锛屽洜鍏跺叿鍌欏嚭鑹茬殑闆绘簮鎶戝埗鎬ц兘銆�
銆�銆�3. 闊抽牷瑷�(sh猫)鍌�锛屽鑰虫(j墨)鏀惧ぇ鍣ㄥ拰鎻氳伈鍣ㄩ﹨(q奴)鍕曞櫒锛屼互娓涘皯鑳屾櫙鍣煶銆�
銆�銆�4. 宸ユキ(y猫)鎺у埗鍜岄啱(y墨)鐧傝ō(sh猫)鍌�锛岀壒鍒ユ槸閭ｄ簺闇�瑕佷綆鍔熻�楀拰楂樼┅(w臎n)瀹氭�х殑鍫村悎銆�
銆�銆�5. 鍌虫劅鍣ㄤ緵闆�锛岀⒑淇濇晱鎰熷厓浠舵帴鏀跺埌骞插噲绌�(w臎n)瀹氱殑闆绘簮銆�

鏇夸唬鍨嬭櫉

TPS7A40, TPS7A49, LP2951

tps740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

tps740璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級