TPS70918DRVRM3 鏅傞枔锛�2025/5/20 15:55:02 闁辫畝锛�17

TPS70918DRVRM3鏄痉宸炲剙鍣紙TI锛夋帹鍑虹殑涓€娆句綆澹撳樊绶氭€х┅(w臎n)澹撳櫒锛圠DO锛�銆傝┎鍣ㄤ欢鍏锋湁浣庡姛鑰�銆侀珮绮惧害鍜屽皬灏佽鐨勭壒榛烇紝闈炲父閬╁悎渚挎敎寮忚ō(sh猫)鍌欏拰灏嶇┖闁撹姹傚毚鏍肩殑鍫存櫙銆�
銆€銆€TPS709绯诲垪LDO寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕佺┅(w臎n)瀹�1.8V杓稿嚭闆诲鐨勭郴绲�(t菕ng)涓�銆傚叾瓒呬綆闈滄厠(t脿i)闆绘祦瑷�(sh猫)瑷堣兘澶犳湁鏁堝欢闀烽浕姹犲＝鍛�锛屽悓鏅傛敮鎸侀珮閬�250mA鐨勮矤杓夐浕娴�銆傝┎鍣ㄤ欢鍏�(n猫i)缃亷娴佷繚璀峰拰鐔遍棞(gu膩n)鏂峰姛鑳�锛屼互纰轰繚鍦ㄥ悇绋伐浣滄浠朵笅鐨勫彲闈犳€с€�

鍙冩暩(sh霉)

杓稿嚭闆诲锛�1.8V
銆€銆€杓稿叆闆诲鑼冨湇锛�1.65V 鑷� 5.5V
銆€銆€鏈€澶ц几鍑洪浕娴侊細250mA
銆€銆€闈滄厠(t脿i)闆绘祦锛�700nA锛堝吀鍨嬪€硷級
銆€銆€ dropout闆诲锛�180mV锛園250mA锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽褰㈠紡锛歑2SON (0.8mm x 0.8mm x 0.4mm)
銆€銆€PSRR锛堥浕婧愭姂鍒舵瘮锛夛細58dB锛園1kHz锛�

鐗规€�

TPS70918DRVRM3閲囩敤灏忓瀷X2SON灏佽锛岄潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄣ€�
銆€銆€鍏舵サ浣庣殑闈滄厠(t脿i)闆绘祦浣垮緱瑭茶姱鐗囨垚鐐洪浕姹犱緵闆昏ō(sh猫)鍌欑殑鐞嗘兂閬告搰銆�
銆€銆€鐢变簬鍏峰倷鍑鸿壊鐨勭窔璺拰璨犺級鐬厠(t脿i)闊挎噳(y墨ng)鎬ц兘锛岃┎LDO鍙偤鏁忔劅鐨勬ā鎿浕璺彁渚涚┅(w臎n)瀹氱殑闆绘簮銆�
銆€銆€姝ゅ锛岃┎鍣ㄤ欢閭勯泦鎴愪簡鐭矾淇濊鍜岀啽闂�(gu膩n)鏂峰姛鑳�锛岄€蹭竴姝ュ寮蜂簡绯荤当(t菕ng)鐨勫彲闈犳€�銆�
銆€銆€dropout闆诲鍍呯偤180mV锛岄€欐剰鍛宠憲鍗充娇鍦ㄤ綆澹撴浠朵笅涔熻兘缍寔楂樻晥鐨勫姛鐜囪綁(zhu菐n)鎻�銆�

鎳�(y墨ng)鐢�

TPS70918DRVRM3閬╃敤浜庡绋綆鍔熻€楁噳(y墨ng)鐢ㄩ牁(l菒ng)鍩�锛屽寘鎷絾涓嶉檺浜庯細
銆€銆€1. 鍙┛鎴磋ō(sh猫)鍌�锛屽鏅鸿兘鎵嬭〃鎴栧仴韬拷韫ゅ櫒銆�
銆€銆€2. 渚挎敎寮忛啱(y墨)鐧傝ō(sh猫)鍌�锛屼緥濡傝绯栧剙鎴栬剤鎼忚姘у剙銆�
銆€銆€3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勮紨鍔╅浕婧愯粚鐢熸垚銆�
銆€銆€4. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夌瘈(ji茅)榛炲拰鐒＄窔鍌虫劅鍣ㄧ恫(w菐ng)绲�(lu貌)銆�
銆€銆€5. 闇€瑕佺┅(w臎n)瀹�1.8V闆绘簮杌岀殑鍚勭ó宓屽叆寮忕郴绲�(t菕ng)銆�
銆€銆€瑭插櫒浠剁壒鍒ラ仼鍚堥偅浜涘皪鏁堢巼銆佸昂瀵稿拰鎴愭湰鍧囨湁鍤存牸瑕佹眰鐨勮ō(sh猫)瑷�銆�