TPS7A78 鏅�(sh铆)闁擄細2025/5/6 18:08:22 闁辫畝锛�30

TPS7A78 鏄竴娆剧敱寰峰窞鍎€鍣紙TI锛夋帹鍑虹殑浣庡宸窔鎬х┅(w臎n)澹撳櫒锛圠DO锛夈€傝┎鍣ㄤ欢鍏锋湁妤典綆鐨勫櫔鑱叉€ц兘鍜岄珮闆绘簮鎶戝埗姣旓紙PSRR锛�锛岄潪甯搁仼鍚堢偤鍣伈鏁忔劅鍨嬫噳(y墨ng)鐢ㄤ緵闆�锛屼緥濡傞€氫俊绯荤当(t菕ng)銆侀啱(y墨)鐧傝ō(sh猫)鍌�銆佸伐妤�(y猫)鑷嫊(d貌ng)鍖栧拰闊抽牷瑷�(sh猫)鍌欑瓑銆俆PS7A78 鏀寔 1.8V 鑷� 5.5V 鐨勮几鍏ラ浕澹撹寖鍦�锛屽苟鍙彁渚涢珮閬�(d谩) 300mA 鐨勮几鍑洪浕娴�銆�
銆€銆€TPS7A78 鎻愪緵鍥哄畾杓稿嚭闆诲閬搁爡(xi脿ng)锛屽寘鎷� 1.8V銆�2.5V銆�2.8V銆�3.0V 鍜� 3.3V銆傛澶栵紝瀹冮倓鍏峰倷蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)鑳藉姏锛屾湁鍔╀簬绌�(w臎n)瀹氳矤(f霉)杓夐粸(di菐n)涓婄殑闆诲娉㈠嫊(d貌ng)銆傝┎鍣ㄤ欢閲囩敤灏忓昂瀵稿皝瑁濓紙濡� SOT-23 鍜� X2SON锛�锛岄潪甯搁仼鐢ㄤ簬灏�(du矛)绌洪枔瑕佹眰鍤�(y谩n)鏍肩殑绶婃箠鍨嬭ō(sh猫)瑷�(j矛)銆�

鍙冩暩(sh霉)

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�1.8V銆�2.5V銆�2.8V銆�3.0V銆�3.3V
銆€銆€杓稿嚭闆绘祦锛�300mA
銆€銆€鎺ュ湴闆绘祦锛�20uA锛堝吀鍨嬪€硷級
銆€銆€澹撻檷闆诲锛�200mV锛堟渶澶у€�锛孈300mA锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽椤炲瀷锛歋OT-23銆乆2SON

鐗规€�

TPS7A78 鍏锋湁浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆€銆€1. 妤典綆鍣伈鎬ц兘锛氬湪 10Hz 鑷� 100kHz 鑼冨湇鍏�(n猫i)锛岃几鍑哄櫔鑱插儏鐐� 5.6uVrms锛堝吀鍨嬪€硷級銆傞€欎娇寰� TPS7A78 鎴愮偤灏勯牷闆昏矾鍜岀簿瀵嗘ā鎿浕璺殑鐞嗘兂閬告搰銆�
銆€銆€2. 楂� PSRR锛氬湪 1kHz 涓嬫彁渚涢珮閬�(d谩) 69dB 鐨勯浕婧愭姂鍒舵瘮锛岃兘澶犳湁鏁堟烤闄ら浕婧愮磱娉�銆�
銆€銆€3. 蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)锛氬緱鐩婁簬鍏跺収(n猫i)閮ㄦ灦妲�(g貌u)鍎�(y艒u)鍖�锛孴PS7A78 鍙互杩呴€熸噳(y墨ng)灏�(du矛)璨�(f霉)杓夐浕娴佺殑璁婂寲锛屽緸鑰屼繚鎸佺┅(w臎n)瀹氱殑杓稿嚭闆诲銆�
銆€銆€4. 鍏�(n猫i)缃繚璀�(h霉)鍔熻兘锛氬寘鎷亷(gu貌)娴佷繚璀�(h霉)銆佺啽闂�(gu膩n)鏂峰拰鍙嶅悜闆绘祦淇濊(h霉)锛岀⒑淇濆櫒浠跺湪鐣板父姊濅欢涓嬪畨鍏ㄩ亱(y霉n)琛�銆�
銆€銆€5. 灏忓昂瀵歌В姹烘柟妗堬細鏀寔绶婃箠鍨嬪皝瑁濓紙濡� SOT-23 鍜� X2SON锛�锛岄仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆€銆€6. 瀵几鍏ラ浕澹撹寖鍦嶏細鏀寔 1.8V 鑷� 5.5V 鐨勮几鍏ラ浕澹撹寖鍦�锛岄仼鎳�(y墨ng)澶氱ó闆绘簮鐠�(hu谩n)澧冦€�

鎳�(y墨ng)鐢�

TPS7A78 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕佷綆鍣伈鍜岄珮 PSRR 鐨勫牬(ch菐ng)鍚�锛屼富瑕佹噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熷寘鎷細
銆€銆€1. 閫氫俊绯荤当(t菕ng)锛氱敤浜庣偤灏勯牷鍓嶇妯″銆佹暩(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒鍜屽叾浠栧櫔鑱叉晱鎰熷瀷绲勪欢渚涢浕銆�
銆€銆€2. 閱�(y墨)鐧傝ō(sh猫)鍌欙細渚嬪瓒呰伈娉㈡垚鍍忓剙銆佸績鐜囩洠(ji膩n)娓�(c猫)鍣ㄧ瓑锛岄€欎簺瑷�(sh猫)鍌欓渶瑕侀珮搴︾┅(w臎n)瀹氱殑浣庡櫔鑱查浕婧�銆�
銆€銆€3. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細閬╃敤浜庡偝鎰熷櫒鎺ュ彛銆佹暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鍜屽彲绶ㄧ▼閭忚集鎺у埗鍣紙PLC锛変腑鐨勯浕婧愮鐞�銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細渚嬪闊抽牷鏀惧ぇ鍣�銆佷究鏀滃紡濯掗珨鎾斁鍣ㄥ拰鍏朵粬楂樻€ц兘闊抽牷瑷�(sh猫)鍌�銆�
銆€銆€5. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夎ō(sh猫)鍌欙細鐐虹劇(w煤)绶氭ā濉�銆佸井鎺у埗鍣ㄥ柈鍏冿紙MCU锛夊拰鍏朵粬浣庡姛鑰楃祫浠舵彁渚涚┅(w臎n)瀹氶浕婧�銆�