鏅傞枔锛�2025/4/28 20:11:49
闁辫畝锛�31
LP28057ASPF 鏄竴娆句綆鍔熻�椼�侀珮绮惧害鐨勭窔鎬х┅(w臎n)澹撳櫒 (LDO)锛屽皥鐐洪渶瑕侀珮闆绘簮鎶戝埗姣� (PSRR) 鍜屼綆鍣伈鐨勬噳鐢ㄨ�岃ō瑷�銆傝┎鍣ㄤ欢閲囩敤鍏堥�茬殑 CMOS 宸ヨ棟鍒堕��锛岃兘澶犲湪瀵几鍏ラ浕澹撹寖鍦嶅収(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲銆傚叾鍏�(n猫i)缃殑淇濊鍔熻兘鍖呮嫭閬庢祦淇濊銆侀亷鐔遍棞鏂风瓑锛岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑鍙潬鎬с��
銆�銆�LP28057ASPF 鐨勫皝瑁濆舰寮忕偤 SOT-23-5锛岄仼鍚堜簬绌洪枔鍙楅檺鐨勮ō瑷堢挵(hu谩n)澧�銆�
杓稿叆闆诲鑼冨湇锛�1.8V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V 鑷� 3.3V锛堝浐瀹氭垨鍙(di脿o)锛�
銆�銆�杓稿嚭闆绘祦锛氭渶澶� 150mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 20渭A
銆�銆�澹撻檷锛氬吀鍨嬪�� 200mV锛堝湪 150mA 璨犺級涓嬶級
銆�銆�闆绘簮鎶戝埗姣� (PSRR)锛氬湪 1kHz 涓嬪吀鍨嬪�肩偤 60dB
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歋OT-23-5
LP28057ASPF 鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂橀浕婧愭姂鍒舵瘮 (PSRR)锛屾湁鏁堥檷浣庨浕婧愮磱娉㈠拰鍣伈骞叉摼銆�
銆�銆�2. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō鍌欎互寤堕暦绾�(x霉)鑸檪闁�銆�
銆�銆�3. 蹇�熺灛鎱�(t脿i)闊挎噳锛岀⒑淇濆湪璨犺級璁婂寲鏅傝几鍑洪浕澹撶殑绌�(w臎n)瀹氭��銆�
銆�銆�4. 鍏�(n猫i)缃亷娴佷繚璀峰拰閬庣啽闂滄柗鍔熻兘锛屾彁楂樼郴绲�(t菕ng)鍙潬鎬с��
銆�銆�5. 瀵几鍏ラ浕澹撹寖鍦嶅拰浣庡闄嶈ō瑷�锛屾敮鎸佸绋噳鐢ㄥ牬鍚�銆�
銆�銆�6. 灏忓瀷灏佽 SOT-23-5锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
銆�銆�閫欎簺鐗规�т娇 LP28057ASPF 鎴愮偤渚挎敎寮忛浕瀛愮敘(ch菐n)鍝�銆侀�氫俊瑷倷鍙婂伐妤�(y猫)鎺у埗绯荤当(t菕ng)鐨勭悊鎯抽伕鎿囥��
LP28057ASPF 涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 娑堣不椤為浕瀛愯ō鍌�锛屽鏅鸿兘鎵嬫銆佸钩鏉块浕鑵﹀拰鍙┛鎴磋ō鍌欍��
銆�銆�2. 鐒＄窔閫氫俊妯″锛屼緥濡傝棈鐗欐ā濉娿�乄i-Fi 妯″绛�銆�
銆�銆�3. 闆绘睜渚涢浕绯荤当(t菕ng)锛屽鎵嬫寔瑷倷銆侀啱(y墨)鐧傚剙鍣ㄥ拰鐗╄伅(li谩n)缍�(w菐ng)绲傜銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勫偝鎰熷櫒鎺ュ彛闆昏矾銆�
銆�銆�5. 浣庡姛鑰楅煶闋昏ō鍌欙紝濡傝�虫鏀惧ぇ鍣ㄥ拰渚挎敎寮忛煶闊�銆�
銆�銆�鐢变簬鍏朵綆鍣伈鍜岄珮 PSRR 鐗规��锛孡P28057ASPF 閭勭壒鍒ラ仼鐢ㄤ簬灏嶉浕婧愯唱(zh矛)閲忚姹傝純楂樼殑灏勯牷 (RF) 鍜屾ā鎿俊铏熻檿鐞嗛浕璺腑銆�
LP28057DSG, AP2112K, MIC29302
