鏅傞枔锛�2025/5/9 9:58:46
闁辫畝锛�36
LP3954 鏄竴娆句綆鍔熻�椼�侀珮绮惧害鐨勫洓閫氶亾绶氭�х┅(w臎n)澹撳櫒锛屽皥鐐洪渶瑕佸鍊嬬崹绔嬮浕婧愯粚鐨勬噳鐢ㄨō瑷�銆傝┎鑺墖闆嗘垚浜嗗洓鍊嬪彲鐛ㄧ珛瑾跨瘈(ji茅)鐨勪綆澹撳樊 (LDO) 绌�(w臎n)澹撳櫒锛岃兘澶犳彁渚涢珮閬� 200mA 鐨勮几鍑洪浕娴侊紙姣忓�嬮�氶亾锛夈�傚叾鐗归粸鍖呮嫭浣庨潨鎱�(t脿i)闆绘祦銆佸嚭鑹茬殑鐬厠(t脿i)闊挎噳鍜岃純灏忕殑灏佽灏哄锛岄潪甯搁仼鍚堜究鏀滃紡瑷倷鍜屽叾浠栧皪鍔熺巼鏁堢巼鍜岀┖闁撴湁鍤存牸瑕佹眰鐨勬噳鐢�銆�
銆�銆�LP3954 閭勬彁渚涗簡澶氱ó淇濊鍔熻兘锛屽閬庢祦淇濊銆侀亷婧棞鏂风瓑锛屼互纰轰繚绯荤当(t菕ng)鍦ㄥ悇绋浠朵笅鐨勭┅(w臎n)瀹氶亱琛�銆�
宸ヤ綔闆诲锛�1.1V 鑷� 5.5V
銆�銆�杓稿嚭闆绘祦锛氭瘡閫氶亾鏈�楂� 200mA
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷宠几鍏ラ浕澹撴笡鍘� 1V
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 60渭A
銆�銆�PSRR锛堥浕婧愭姂鍒舵瘮锛夛細鍦� 1kHz 涓嬪ぇ浜� 60dB
銆�銆� dropout 闆诲锛氬吀鍨嬪�� 300mV
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歍SSOP-20, WQFN-20
LP3954 鎻愪緵浜嗗洓鍊嬬崹绔嬪彲閰嶇疆鐨� LDO 绌�(w臎n)澹撳櫒閫氶亾锛岀敤鎴跺彲浠ラ�氶亷澶栭儴闆婚樆鍒嗗鍣ㄤ締瑷疆姣忓�嬮�氶亾鐨勮几鍑洪浕澹�锛屽叿鏈夐珮搴﹂潏娲绘��銆�
銆�銆�瑭茶姱鐗囬噰鐢ㄤ簡鍏堥�茬殑 CMOS 宸ヨ棟鍒堕��锛岀⒑淇濅簡妤典綆鐨勯潨鎱�(t脿i)闆绘祦娑堣�楋紝閫欏皪浜庡欢闀烽浕姹犱緵闆昏ō鍌欑殑绾�(x霉)鑸檪闁撹嚦闂滈噸瑕�銆�
銆�銆�姝ゅ锛孡P3954 鍏锋湁蹇�熺灛鎱�(t脿i)闊挎噳鑳藉姏锛屽彲浠ュ緢濂藉湴鎳夊皪璨犺級璁婂寲甯朵締鐨勯浕澹撴尝鍕曞晱椤�銆�
銆�銆�闆嗘垚鐨勪繚璀锋鍒堕�蹭竴姝ュ寮蜂簡鑺墖鐨勫彲闈犳��锛屼娇鍏惰兘澶犲湪鎯″姡鐠�(hu谩n)澧冧笅淇濇寔姝ｅ父宸ヤ綔銆�
LP3954 寤ｆ硾鎳夌敤浜庡闆绘簮杌岄渶姹傜殑绯荤当(t菕ng)涓�锛屼緥濡傞�氫俊瑷倷銆佸祵鍏ュ紡鎺у埗鍣�銆佷究鏀滃紡閱�(y墨)鐧傝ō鍌�銆佹秷璨婚闆诲瓙鐢㈠搧浠ュ強宸ユキ(y猫)鑷嫊鍖栨帶鍒舵ā濉�銆�
銆�銆�瀹冪壒鍒ラ仼鍚堥偅浜涢渶瑕侀珮鏁堛�佸皬灏哄瑙ｆ焙鏂规鐨勫牬鏅�锛屾瘮濡傛櫤鑳芥墜姗�銆佸钩鏉块浕鑵︽垨鐗╄伅(li谩n)缍� (IoT) 绲傜瑷倷銆�
銆�銆�鐢变簬鍏朵綆鍣伈鐗规�у拰绮炬簴鐨勮几鍑鸿绡�(ji茅)鑳藉姏锛屼篃甯歌鐢ㄤ綔灏勯牷 (RF) 妯″鎴栨ā鎿浕璺儴鍒嗙殑渚涢浕渚嗘簮銆�
LP3953, LP3955, TPS7A4700
