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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > TPS74901

TPS74901 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/6 12:01:36 鏌ョ湅 闁辫畝锛�34

TPS74901 鏄竴娆句綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛�锛岀敱寰峰窞鍎�鍣紙TI锛夌敓鐢�(ch菐n)銆傝┎鍣ㄤ欢鑳藉鍦ㄤ綆杓稿叆闆诲涓嬫彁渚涢珮閬�(d谩) 250mA 鐨勮几鍑洪浕娴�锛屽悓鏅�(sh铆)淇濇寔妤典綆鐨勬帴鍦板紩鑵抽浕娴佸拰楂橀浕婧愭姂鍒舵瘮锛圥SRR锛�銆傚叾瑷�(sh猫)瑷�(j矛)閬╃敤浜庝究鏀滃紡瑷�(sh猫)鍌欏拰鍏朵粬灏�(du矛)鍔熻�楁晱鎰熺殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆�銆�TPS74901 鎻愪緵鍥哄畾杓稿嚭闆诲閬搁爡(xi脿ng)锛屽吀鍨嬪�肩偤 1.0V銆�1.2V銆�1.5V銆�1.8V 鍜� 3.3V锛屼篃鍙�氶亷(gu貌)澶栭儴闆婚樆鍒嗗鍣ㄥ(sh铆)鐝�(xi脿n)鍙(di脿o)杓稿嚭銆傝┎鍣ㄤ欢鍏锋湁浣胯兘寮曡叧锛圗N锛�锛屽厑瑷辩敤鎴舵帶鍒� LDO 鐨勯枊(k膩i)鍟熷拰闂�(gu膩n)闁夛紝寰炶�岄��(j矛n)涓�姝ュ劒(y艒u)鍖栫郴绲�(t菕ng)鐨勫姛鑰�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�0.9V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.0V 鑷� 3.3V锛堝浐瀹氬瀷铏�(h脿o)锛夋垨鍙(di脿o)
銆�銆�鏈�澶ц几鍑洪浕娴侊細250mA
銆�銆�闈滄厠(t脿i)闆绘祦锛�25uA锛堝吀鍨嬪�硷級
銆�銆�闂�(gu膩n)鏂烽浕娴侊細0.1uA锛堝吀鍨嬪�硷級
銆�銆�璨�(f霉)杓夎(di脿o)鏁寸巼锛毬�0.5%锛堟渶澶у�硷級
銆�銆�绶氳矾瑾�(di脿o)鏁寸巼锛毬�0.5%锛堟渶澶у�硷級
銆�銆�闆绘簮鎶戝埗姣旓紙PSRR锛夛細65dB锛�1kHz锛�
銆�銆�宸ヤ綔绲�(ji茅)婧寖鍦嶏細-40掳C 鑷� +125掳C
銆�銆�灏佽椤�(l猫i)鍨嬶細SOT-23銆乆2SON

鐗规��

TPS74901 鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂� PSRR 鐗规�т娇鍏堕潪甯搁仼鍚堢偤鍣伈鏁忔劅鍨� RF 妯″渚涢浕銆�
銆�銆�2. 妤典綆鐨勬帴鍦板紩鑵抽浕娴佺⒑淇濅簡楂樻晥閬�(y霉n)琛�锛岀壒鍒ユ槸鍦ㄩ浕姹犱緵闆绘噳(y墨ng)鐢ㄤ腑銆�
銆�銆�3. 鍏�(n猫i)缃煭璺繚璀�(h霉)鍜岀啽闂�(gu膩n)鏂峰姛鑳�锛屾彁楂樹簡绯荤当(t菕ng)鍙潬鎬�銆�
銆�銆�4. 浣胯兘寮曡叧鏀寔寰呮(j墨)妯″紡锛屽公鍔╅檷浣庢暣楂斿姛鑰�銆�
銆�銆�5. 灏忓昂瀵稿皝瑁濈啊(ji菐n)鍖栦簡 PCB 甯冨眬瑷�(sh猫)瑷�(j矛)锛岀壒鍒ラ仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢�銆�
銆�銆�6. 绌�(w臎n)瀹氭�уソ锛屽湪瀵矤(f霉)杓夊拰婧害鑼冨湇鍏�(n猫i)鎻愪緵绮剧⒑鐨勮几鍑洪浕澹�銆�
銆�銆�TPS74901 鐨勯�欎簺鐗归粸(di菐n)浣垮叾鎴愮偤鎵嬫寔瑷�(sh猫)鍌�銆佺劇(w煤)绶氬偝鎰熷櫒绡�(ji茅)榛�(di菐n)鍜屼究鏀滃紡閱�(y墨)鐧傝ō(sh猫)鍌欑瓑鐨勭悊鎯抽伕鎿�銆�

鎳�(y墨ng)鐢�

TPS74901 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鎵嬫寔闆诲瓙瑷�(sh猫)鍌欙紝濡傛櫤鑳芥墜姗�(j墨)銆佸钩鏉块浕鑵﹀拰渚挎敎寮忔父鎴叉(j墨)銆�
銆�銆�2. 闆绘睜渚涢浕绯荤当(t菕ng)锛屽寘鎷究鏀滃紡閱�(y墨)鐧傝ō(sh猫)鍌�銆佺劇(w煤)绶氳�虫(j墨)鍜屽彲绌挎埓瑷�(sh猫)鍌�銆�
銆�銆�3. 宸ユキ(y猫)鎳�(y墨ng)鐢ㄤ腑鐨勪綆鍔熻�楁ā濉婏紝渚嬪鏁�(sh霉)鎿�(j霉)瑷橀寗鍣ㄥ拰鍌虫劅鍣ㄦ帴鍙�銆�
銆�銆�4. RF 鍜屾ā鎿浕璺殑闆绘簮杌�锛岀敱浜庡叾楂� PSRR 鍜屼綆鍣伈鎬ц兘銆�
銆�銆�5. 寰帶鍒跺櫒鍠厓锛圡CU锛夊強鍏跺鍦嶈ō(sh猫)鍌欑殑渚涢浕鏂规銆�
銆�銆�瑭插櫒浠跺湪闇�瑕佷綆鍔熻�楀拰灏忛珨绌嶈В姹烘柟妗堢殑鍫�(ch菐ng)鍚堣〃鐝�(xi脿n)灏ょ偤绐佸嚭銆�

鏇夸唬鍨嬭櫉(h脿o)

TPS7A05锛孴LV1117锛孡M1117锛孉P2112K

tps74901鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

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  • 寤犲晢
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  • 瑭㈠児(ji脿)

tps74901璩囨枡 鏇村>

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