鏅傞枔锛�2025/5/8 18:02:46
闁辫畝锛�26
TPS779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�锛屽叿鏈夐珮绮惧害杓稿嚭闆诲銆佷綆闈滄厠(t脿i)闆绘祦鍜屽揩閫熷嫊鎱�(t脿i)闊挎噳鐨勭壒榛�銆傝┎绯诲垪鍣ㄤ欢閬╃敤浜庡皪闆绘簮鍣伈鏁忔劅鐨勬噳鐢�锛屼緥濡備究鏀滃紡闆诲瓙瑷�(sh猫)鍌�銆侀�氫俊绯荤当(t菕ng)浠ュ強宸ユキ(y猫)鑷嫊鍖栭牁(l菒ng)鍩熴�俆PS779鎻愪緵澶氱ó鍥哄畾杓稿嚭闆诲閬搁爡锛屽苟鏀寔1.5A鐨勬渶澶ц几鍑洪浕娴�銆傚叾灏佽褰㈠紡鍖呮嫭SOT-223鍜孴O-263绛�锛屼究浜庡湪涓嶅悓鍫存櫙涓嬩娇鐢�銆�
銆�銆�TPS779閲囩敤鍏堥�茬殑宸ヨ棟瑷�(sh猫)瑷�锛岃兘澶犲湪杓冨鐨勮几鍏ラ浕澹撹寖鍦嶅収(n猫i)淇濇寔绌�(w臎n)瀹氱殑杓稿嚭鎬ц兘锛屽悓鏅傚叿鍌欑煭璺繚璀�銆侀亷鐔遍棞(gu膩n)鏂风瓑鍔熻兘锛屽緸鑰岀⒑淇濈郴绲�(t菕ng)鐨勫畨鍏ㄦ�у拰鍙潬鎬�銆�
杓稿叆闆诲鑼冨湇锛�1.8V~5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V~3.3V
銆�銆�鏈�澶ц几鍑洪浕娴侊細1.5A
銆�銆�闈滄厠(t脿i)闆绘祦锛�2.8mA锛堝吀鍨嬪�硷級
銆�銆�澹撳樊闆诲锛�420mV锛堝湪1.5A璨犺級涓嬶級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈125鈩�
銆�銆�灏佽褰㈠紡锛歋OT-223, TO-263
TPS779鍏峰倷浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂樼簿搴﹁几鍑洪浕澹擄細TPS779鑳藉?q奴)宕縁(xi脿n)卤1%鐨勮几鍑洪浕澹撶簿搴︼紝閫欎娇鍏堕潪甯搁仼鍚堜簬闇�瑕佺簿纰轰緵闆荤殑鎳夌敤銆�
銆�銆�2. 蹇�熺灛鎱�(t脿i)闊挎噳锛氳┎鍣ㄤ欢鍏�(n猫i)缃劒(y艒u)鍖栫殑瑁滃劅闆昏矾锛屽彲浠ュ揩閫熼熆鎳夎矤杓夋垨杓稿叆闆诲鐨勮畩鍖�锛屽緸鑰屾笡灏戣几鍑洪浕澹撴尝鍕�銆�
銆�銆�3. 鍏�(n猫i)缃繚璀峰姛鑳斤細TPS779闆嗘垚浜嗙煭璺繚璀枫�侀檺娴佷繚璀峰拰閬庢韩闂�(gu膩n)鏂蜂繚璀峰姛鑳�锛屾彁楂樹簡鐢�(ch菐n)鍝佺殑榄鎬у拰浣跨敤澹藉懡銆�
銆�銆�4. 瓒呬綆鍣伈鎬ц兘锛氬緱鐩婁簬鍏剁崹鐗圭殑鏋舵(g貌u)瑷�(sh猫)瑷�锛孴PS779鑳藉鏈夋晥鎶戝埗闆绘簮绱嬫尝鍜屽叾浠栧共鎿句俊铏�锛岀偤鏁忔劅璨犺級鎻愪緵娓呮綌鐨勯浕婧愪緵鎳�銆�
銆�銆�5. 灏忓瀷鍖栧皝瑁濓細鏀寔绶婃箠鍨婼OT-223鍜孴O-263灏佽锛屾湁鍔╀簬绡�(ji茅)鐪丳CB绌洪枔骞剁啊鍖栧竷灞�瑷�(sh猫)瑷�銆�
TPS779寤ｆ硾鎳夌敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 渚挎敎寮忛浕瀛愮敘(ch菐n)鍝侊細濡傛櫤鑳芥墜姗�銆佸钩鏉块浕鑵﹀拰鍙┛鎴磋ō(sh猫)鍌欎腑鐨勯浕姹犱緵闆绘ā濉�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬宸ユキ(y猫)鎺у埗鍣�銆佸偝鎰熷櫒鎺ュ彛鍜屾暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)銆�
銆�銆�3. 閫氫俊瑷�(sh猫)鍌欙細渚嬪鍩虹珯銆佽矾鐢卞櫒鍜岀恫(w菐ng)绲′氦鎻涙涓殑灏勯牷鍓嶇鍜屾暩(sh霉)瀛椾俊铏熻檿鐞嗗櫒銆�
銆�銆�4. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細鍖呮嫭鏁�(sh霉)纰肩浉姗熴�侀煶闋绘挱鏀惧櫒浠ュ強鍏朵粬闇�瑕佺┅(w臎n)瀹氶浕婧愪緵鎳夌殑瑷�(sh猫)鍌�銆�
銆�銆�5. 閱�(y墨)鐧傝ō(sh猫)鍌欙細TPS779閭勫父瑕嬩簬渚挎敎寮忛啱(y墨)鐧傚剙鍣ㄤ腑锛屽琛�绯栧剙銆佽剤鎼忚姘ц▓绛�锛岄�欎簺鍫村悎瑕佹眰楂樺彲闈犳�у拰浣庡姛鑰�銆�
TPS7A49, TPS7A50, LM1117, LD1117
