鏅傞枔锛�2025/5/10 15:11:51
闁辫畝锛�23
MD1803DFP鏄竴绋珮澹�銆侀珮绮惧害鐨勭窔鎬х┅(w臎n)澹撳櫒鑺墖锛屽皥鐐洪渶瑕佷綆鍣伈鍜岄珮闆绘簮鎶戝埗姣旓紙PSRR锛夌殑鎳夌敤瑷�(sh猫)瑷�銆傝┎鑺墖鑳藉鍦ㄨ純瀵殑杓稿叆闆诲鑼冨湇鍏�(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲锛屽悓鏅傚叿鍌欏嚭鑹茬殑璨犺級鍜岀窔璺(di脿o)绡�(ji茅)鑳藉姏銆傚畠閲囩敤浜嗗厛閫茬殑宸ヨ棟鎶�琛�(sh霉)锛岃兘澶犳湁鏁堥檷浣庡姛鑰楀苟鎻愬崌鏁堢巼銆侻D1803DFP閬╃敤浜庡悇绋皪闆绘簮绌�(w臎n)瀹氭�ц姹傝純楂樼殑鍫存櫙锛屼緥濡傞啱(y墨)鐧傝ō(sh猫)鍌�銆佸伐妤�(y猫)鑷嫊鍖栧拰绮惧瘑鍎�鍣ㄧ瓑銆�
銆�銆�MD1803DFP閭勫叿鏈夌煭璺繚璀�銆侀亷婧繚璀风瓑鍔熻兘锛岀⒑淇濆湪鐣板父宸ヤ綔姊濅欢涓嬩笉鏈冩悕澹炶姱鐗囨垨褰遍熆绯荤当(t菕ng)鎬ц兘銆�
杓稿叆闆诲鑼冨湇锛�4.5V - 40V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V - 37V
銆�銆�鏈�澶ц几鍑洪浕娴侊細300mA
銆�銆�闈滄厠(t脿i)闆绘祦锛�15渭A
銆�銆� dropout闆诲锛�150mV锛堝吀鍨嬪��锛孈Iout=100mA锛�
銆�銆�璨犺級瑾�(di脿o)绡�(ji茅)鐜囷細卤0.1%
銆�銆�绶氳矾瑾�(di脿o)绡�(ji茅)鐜囷細卤0.05%
銆�銆�闆绘簮鎶戝埗姣旓紙PSRR锛夛細70dB锛園1kHz锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆�銆�灏佽褰㈠紡锛欴FN8
MD1803DFP閲囩敤浣巇ropout瑷�(sh猫)瑷�锛屼娇鍏堕潪甯搁仼鍚堥浕姹犱緵闆荤殑渚挎敎寮忚ō(sh猫)鍌�銆傚畠鐨勯珮PSRR鐗规�у彲浠ユ湁鏁堟姂鍒堕浕婧愪腑鐨勫櫔鑱插共鎿撅紝寰炶�屾彁楂樼郴绲�(t菕ng)鐨勪俊铏熷畬鏁存��銆傛澶栵紝鑺墖鍏�(n猫i)缃簡澶氶噸淇濊鍔熻兘锛屽寘鎷亷娴佷繚璀�銆侀亷婧棞(gu膩n)鏂蜂互鍙婄煭璺繚璀�锛屼繚璀変簡鍏跺湪鎯″姡鐠�(hu谩n)澧冧笅鐨勫彲闈犳�с��
銆�銆�瑭茶姱鐗囨敮鎸佸閮ㄩ浕瀹硅鍎�锛屽厑瑷辩敤鎴舵牴鎿�(j霉)鍏烽珨闇�姹傝(di脿o)鏁寸┅(w臎n)瀹氭�ц垏闊挎噳閫熷害涔嬮枔鐨勫钩琛�銆傛澶�锛孧D1803DFP鐨勫伐浣滈潨鎱�(t脿i)闆绘祦闈炲父浣庯紝鏈夊姪浜庡欢闀烽浕姹犲＝鍛�锛岀壒鍒ラ仼鍚堥仩绋嬬洠(ji膩n)鎺х瘈(ji茅)榛炴垨鍌虫劅鍣ㄧ恫(w菐ng)绲＄瓑浣庡姛鑰楁噳鐢�銆�
銆�銆�鐢变簬鍏堕珮绮惧害鐨勮几鍑洪浕澹撴帶鍒惰兘鍔涳紝MD1803DFP涔熷唬娉涙噳鐢ㄤ簬闊抽牷鏀惧ぇ鍣�銆佹暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)浠ュ強鍏朵粬灏嶉浕婧愭尝鍕曟晱鎰熺殑闆诲瓙瑷�(sh猫)鍌欎腑銆�
MD1803DFP涓昏鎳夌敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓殑闆绘簮妯″銆�
銆�銆�2. 閱�(y墨)鐧傝ō(sh猫)鍌�锛屽渚挎敎寮忚秴鑱叉尝瑷�(sh猫)鍌欍�佽绯栧剙绛�銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽寘鎷棈鐗欒�虫銆佹櫤鑳芥墜琛ㄥ拰鍏朵粬鍙┛鎴磋ō(sh猫)鍌欍��
銆�銆�4. 鏁�(sh霉)鎿�(j霉)閫氫俊瑷�(sh猫)鍌�锛屼緥濡傝矾鐢卞櫒銆佷氦鎻涙鍏�(n猫i)閮ㄧ殑灏忓瀷闆绘簮瀛愮郴绲�(t菕ng)銆�
銆�銆�5. 楂樼闊抽牷瑷�(sh猫)鍌欑殑渚涢浕閮ㄥ垎锛屼互娓涘皯鍣伈灏嶉煶璩�(zh矛)鐨勫奖闊裤��
銆�銆�6. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夌瘈(ji茅)榛炲強鍌虫劅鍣ㄦā濉婄殑闆绘簮瑙ｆ焙鏂规銆�
LM1117, LD1117, AP1117
