鏅傞枔锛�2025/3/4 17:28:55
闁辫畝锛�567
LT3045 鏄敱 Analog Devices锛圓DI锛夊叕鍙告帹鍑虹殑涓�娆句綆鍣伈銆侀珮 PSRR锛堥浕婧愭姂鍒舵瘮锛夌窔鎬х┅(w臎n)澹撳櫒锛屽爆浜� LDO锛堜綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛夌郴鍒�銆傚畠灏堢偤闇�瑕佽秴浣庡櫔鑱插拰楂橀浕婧愭姂鍒惰兘鍔涚殑鎳夌敤瑷▓锛岄仼鐢ㄤ簬灏嶉浕婧愯唱(zh矛)閲忚姹傛サ楂樼殑鍫存櫙銆侺T3045 鎻愪緵浜嗛潪甯哥┅(w臎n)瀹氱殑杓稿嚭闆诲锛屽苟鍏锋湁妤典綆鐨勮几鍑哄櫔鑱插拰蹇�熺灛鎱�(t脿i)闊挎噳銆�
杓稿叆闆诲鑼冨湇锛�1.8V 鑷� 20V銆�
銆�銆�杓稿嚭闆诲鑼冨湇锛�0V 鑷� 19.5V锛堥�氶亷澶栭儴闆婚樆鍒嗗鍣ㄥ彲瑾�(di脿o)锛夈��
銆�銆�鏈�澶ц几鍑洪浕娴侊細500mA銆�
銆�銆�杓稿嚭鍣伈锛氬儏 0.8渭Vrms锛�10Hz 鑷� 100kHz锛�銆�
銆�銆�PSRR锛堥浕婧愭姂鍒舵瘮锛夛細
銆�銆�鍦� 1kHz 涓嬮珮閬� 79dB銆�
銆�銆�鍦� 10kHz 涓嬮珮閬� 70dB銆�
銆�銆�dropout voltage锛堝闄嶏級锛氬吀鍨嬪�肩偤 350mV锛堝湪 500mA 璨犺級涓嬶級銆�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C銆�
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�肩偤 2.5mA锛屽湪闂�(gu膩n)鏂锋ā寮忎笅灏忎簬 1渭A銆�
銆�銆�灏佽褰㈠紡锛欴D 灏佽锛�16 寮曡叧 MSOP锛夛紝甯舵湁瑁搁湶鐒婄洡浠ュ寮锋暎鐔辨�ц兘銆�
瓒呬綆鍣伈鎬ц兘
銆�銆�鍏�(n猫i)缃秴浣庡櫔鑱茬┅(w臎n)澹撳櫒鏋舵(g貌u)锛岄仼鍚堝皠闋伙紙RF锛夊拰楂樼簿搴︽ā鎿浕璺噳鐢�銆�
銆�銆�楂� PSRR
銆�銆�鍦ㄥ闋荤巼鑼冨湇鍏�(n猫i)鎻愪緵鍗撹秺鐨勯浕婧愭姂鍒惰兘鍔�锛屾湁鏁堟笡灏戦浕婧愬櫔鑱插皪鏁忔劅闆昏矾鐨勫奖闊裤��
銆�銆�鍙(di脿o)杓稿嚭闆诲
銆�銆�杓稿嚭闆诲鍙�氶亷澶栭儴闆婚樆鍒嗗鍣ㄩ潏娲昏ō缃�锛岄仼鎳夊绋噳鐢ㄥ牬鏅�銆�
銆�銆�蹇�熺灛鎱�(t脿i)闊挎噳
銆�銆�鍏�(n猫i)閮ㄥ劒(y艒u)鍖栬ō瑷堬紝纰轰繚鍦ㄨ矤杓夎畩鍖栨檪蹇�熺┅(w臎n)瀹氳几鍑洪浕澹�銆�
銆�銆�閬庢祦淇濊鍜岀啽淇濊
銆�銆�鍏�(n猫i)缃檺娴佸拰鐔遍棞(gu膩n)鏂峰姛鑳�锛屾彁楂樼郴绲�(t菕ng)鍙潬鎬�銆�
銆�銆�浣庡姛鑰楅亱琛�
銆�銆�闈滄厠(t脿i)闆绘祦浣庤嚦 2.5mA锛岄仼鍚堥浕姹犱緵闆昏ō鍌�銆�
灏勯牷鍓嶇妯″銆佺劇绶氭敹鐧�(f膩)鍣ㄧ瓑闇�瑕佷綆鍣伈闆绘簮鐨勫牬鏅�銆�
銆�銆�宸ユキ(y猫)鑷嫊鍖�
銆�銆�楂樼簿搴﹀偝鎰熷櫒銆佹暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)銆�
銆�銆�閱�(y墨)鐧傝ō鍌�
銆�銆�瓒呰伈娉㈣ō鍌�銆佸績闆诲湒鍎�绛夊皪闆绘簮璩�(zh矛)閲忚姹傛サ楂樼殑鎳夌敤銆�
銆�銆�娑堣不闆诲瓙
銆�銆�楂樹繚鐪熼煶闋昏ō鍌�銆佷究鏀滃紡闆诲瓙瑷倷銆�
銆�銆�娓│鑸囨脯閲忓剙鍣�
銆�銆�绀烘尝鍣ㄣ�佷俊铏熺櫦(f膩)鐢熷櫒绛夌簿瀵嗗剙鍣�銆�
LT3042锛圓nalog Devices锛�
銆�銆�LTC3045锛圓nalog Devices锛�
銆�銆�TPS7A4700锛圱exas Instruments锛�
銆�銆�NCP181锛圤N Semiconductor锛�
銆�銆�MIC2876锛圡icrochip锛�
