LP3944 鏅�(sh铆)闁擄細2025/6/5 12:58:29 闁辫畝锛�11

LP3944鏄竴娆剧敱TI锛堝痉宸炲剙鍣級鎺ㄥ嚭鐨勪綆鍔熻€�銆侀珮绮惧害绶氭€х┅(w臎n)澹撳櫒锛屽爆浜嶱owerWise绯诲垪鐢�(ch菐n)鍝併€傝┎鑺墖鍏锋湁闆欒矾杓稿嚭鍔熻兘锛屾瘡涓€璺兘鍙互鐛�(d煤)绔嬭(di脿o)绡€(ji茅)闆诲锛岄潪甯搁仼鍚堜究鏀滃紡瑷�(sh猫)鍌欏拰闆绘睜渚涢浕绯荤当(t菕ng)銆傚叾鍏�(n猫i)缃殑浣巇ropout鐗规€т娇寰桳P3944鑳藉鍦ㄤ綆澹撳樊鐠�(hu谩n)澧冧笅楂樻晥宸ヤ綔锛屽悓鏅�(sh铆)鍏峰倷蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岄珮闆绘簮鎶戝埗姣旓紙PSRR锛�銆傛澶�锛岃┎鑺墖閭勯泦鎴愪簡閬庣啽淇濊(h霉)鍜岄檺娴佷繚璀�(h霉)鍔熻兘锛岀⒑淇濆湪鍚勭ó宸ユ硜涓嬬殑绌�(w臎n)瀹氶亱(y霉n)琛�銆�
銆€銆€LP3944閲囩敤灏忓瀷灏佽锛屽TSSOP-16绛�锛岄仼鍚堝皪绌洪枔鏈夊毚(y谩n)鏍艰姹傜殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� 3.3V
銆€銆€鏈€澶ц几鍑洪浕娴侊細姣忛€氶亾 300mA
銆€銆€闈滄厠(t脿i)闆绘祦锛�20渭A锛堝吀鍨嬪€硷級
銆€銆€澹撳樊闆诲锛�200mV锛堝吀鍨嬪€硷級
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€灏佽褰㈠紡锛歍SSOP-16

鐗规€�

LP3944鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 闆欒矾鐛�(d煤)绔嬪彲瑾�(di脿o)杓稿嚭锛屾敮鎸侀潏娲婚厤缃笉鍚岄浕澹撹粚锛�
銆€銆€2. 楂橀浕婧愭姂鍒舵瘮锛圥SRR锛�锛屾湁鏁堥檷浣庡櫔鑱插共鎿�锛�
銆€銆€3. 鍏�(n猫i)缃亷鐔变繚璀�(h霉)鍜岄檺娴佷繚璀�(h霉)锛屾彁楂樼郴绲�(t菕ng)鍙潬鎬э紱
銆€銆€4. 蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)锛岄仼鎳�(y墨ng)璨�(f霉)杓夎畩鍖栧妵鐑堢殑鎳�(y墨ng)鐢�锛�
銆€銆€5. 瓒呬綆闈滄厠(t脿i)闆绘祦瑷�(sh猫)瑷�(j矛)锛屽欢闀烽浕姹犲＝鍛�锛�
銆€銆€6. 鏀寔澶氱ó杓稿叆闆诲鑼冨湇锛屽吋瀹逛笉鍚岀殑闆绘簮椤炲瀷锛�
銆€銆€7. 灏忓瀷灏佽瑷�(sh猫)瑷�(j矛)锛岀瘈(ji茅)鐪丳CB绌洪枔锛�
銆€銆€8. 绌�(w臎n)瀹氱殑浣巇ropout鎬ц兘锛岄仼鐢ㄤ簬浣庡宸挵(hu谩n)澧�銆�

鎳�(y墨ng)鐢�

LP3944寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 渚挎敎寮忛浕瀛愯ō(sh猫)鍌欙紝渚嬪鏅鸿兘鎵嬫(j墨)銆佸钩鏉块浕鑵﹀拰鎵嬫寔绲傜锛�
銆€銆€2. 闆绘睜渚涢浕绯荤当(t菕ng)锛屽钘�(l谩n)鐗欒ō(sh猫)鍌�銆佺劇绶氳€虫(j墨)鍜屽彲绌挎埓瑷�(sh猫)鍌欙紱
銆€銆€3. 宸ユキ(y猫)鎺у埗妯″涓殑闆绘簮绠＄悊閮ㄥ垎锛�
銆€銆€4. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勪綆鍔熻€楅浕婧愯В姹烘柟妗�锛�
銆€銆€5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勫闆诲杌岄渶姹傚牬鏅�锛�
銆€銆€6. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夎ō(sh猫)鍌欑殑闆绘簮绠＄悊閮ㄥ垎銆�