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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > LP3985IM5X-2.8

LP3985IM5X-2.8 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/16 11:28:06 鏌ョ湅 闁辫畝锛�19

LP3985IM5X-2.8 鏄竴娆剧敱 Texas Instruments锛堝痉宸炲剙鍣級鐢熺敘(ch菐n)鐨勪綆鍔熻�椼�侀珮绮惧害浣庡宸窔鎬х┅(w臎n)澹撳櫒锛圠DO锛夈�傝┎鍣ㄤ欢鍏锋湁 2.8V 鐨勫浐瀹氳几鍑洪浕澹�锛岄潪甯搁仼鍚堢偤渚挎敎寮忚ō(sh猫)鍌欏拰灏�(du矛)闆绘簮鍣伈鏁忔劅鐨勬噳(y墨ng)鐢ㄤ緵闆�銆侺P3985 绯诲垪浠ュ叾鍑鸿壊鐨勮矤(f霉)杓夊拰绶氳矾鐬厠(t脿i)闊挎噳(y墨ng)鎬ц兘浠ュ強浣庨潨鎱�(t脿i)闆绘祦鑰岃仦鍚�銆�
銆�銆�LP3985IM5X-2.8 閲囩敤灏忓昂瀵稿皝瑁濓紙濡� WSON 鍜� SOT-23锛�锛屾湁鍔╀簬娓涘皯 PCB 鍗犵敤绌洪枔锛屽悓鏅�(sh铆)鏀寔楂橀仈(d谩) 150mA 鐨勮矤(f霉)杓夐浕娴�銆傚畠闆嗘垚浜嗗绋繚璀�(h霉)鍔熻兘锛屼緥濡傞亷(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淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑鍙潬鎬�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�1.6V 鑷� 5.5V
銆�銆�杓稿嚭闆诲锛�2.8V
銆�銆�鏈�澶ц几鍑洪浕娴侊細150mA
銆�銆�鍏稿瀷澹撳樊锛�275mV@150mA
銆�銆�闈滄厠(t脿i)闆绘祦锛�40uA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽椤�(l猫i)鍨嬶細WSON-6, SOT-23-5
銆�銆�PSRR锛�1kHz锛夛細55dB
銆�銆�璨�(f霉)杓夎(di脿o)绡�(ji茅)鐜囷細0.01%
銆�銆�绶氳矾瑾�(di脿o)绡�(ji茅)鐜囷細0.01%
銆�銆�杓稿嚭鍣伈锛�30uVRMS

鐗规��

1. 鍥哄畾杓稿嚭闆诲閬搁爡(xi脿ng)锛屾兜钃嬪父瑕�(ji脿n)鐨勭郴绲�(t菕ng)闇�姹�锛屽寘鎷� 1.2V銆�1.5V銆�1.8V銆�2.5V銆�2.8V銆�3.0V 鍜� 3.3V銆�
銆�銆�2. 瓒呬綆闈滄厠(t脿i)闆绘祦瑷�(sh猫)瑷�(j矛)锛岄潪甯搁仼鍚堥浕姹犱緵闆荤殑渚挎敎寮忔噳(y墨ng)鐢�銆�
銆�銆�3. 楂� PSRR锛堥浕婧愭姂鍒舵瘮锛夋�ц兘锛岃兘澶犳湁鏁堥檷浣庤几鍏ラ浕婧愬櫔鑱层��
銆�銆�4. 鍏�(n猫i)缃繚璀�(h霉)鍔熻兘锛屽寘鎷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)锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳�у拰绌�(w臎n)瀹氭��銆�
銆�銆�5. 蹇�熻矤(f霉)杓夊拰绶氳矾鐬厠(t脿i)闊挎噳(y墨ng)锛岄仼鐢ㄤ簬鍕�(d貌ng)鎱�(t脿i)璨�(f霉)杓夎畩鍖栫殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆�銆�6. 灏忓瀷灏佽锛岄仼鍚堢┖闁撳彈闄愮殑瑷�(sh猫)瑷�(j矛)鐠�(hu谩n)澧�銆�
銆�銆�7. 杓稿嚭闆诲绮惧害楂�锛屽吀鍨嬪�奸仈(d谩)鍒� 卤1%锛屼繚璀変簡绌�(w臎n)瀹氬彲闈犵殑鎬ц兘銆�

鎳�(y墨ng)鐢�

LP3985IM5X-2.8 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佷綆鍔熻�楀拰楂樼簿搴﹂浕澹撹(di脿o)绡�(ji茅)鐨勫牬(ch菐ng)鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 渚挎敎寮忛浕瀛愯ō(sh猫)鍌�锛屼緥濡傛墜姗�(j墨)銆佸钩鏉块浕鑵�銆佹墜鎸佺祩绔瓑銆�
銆�銆�2. 鍙┛鎴磋ō(sh猫)鍌�锛屽鏅鸿兘鎵嬭〃銆佸仴搴风洠(ji膩n)娓�(c猫)鍣�銆�
銆�銆�3. 娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝�锛屼緥濡傛暩(sh霉)纰肩浉姗�(j墨)銆侀煶闋绘挱鏀惧櫒銆�
銆�銆�4. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夎ō(sh猫)鍌欙紝鐗瑰垾鏄偅浜涗緷璩�(l脿i)闆绘睜渚涢浕鐨勭敘(ch菐n)鍝�銆�
銆�銆�5. RF 鍜屾ā鎿浕璺緵闆伙紝瑕佹眰浣庡櫔鑱插拰楂� PSRR 鐨勫牬(ch菐ng)鍚�銆�
銆�銆�6. 宸ユキ(y猫)鎺у埗鍜屾暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑杓斿姪闆绘簮閮ㄥ垎銆�

鏇夸唬鍨嬭櫉(h脿o)

LP3985IM5-2.8, LP3985IMP-2.8, LP3985MMX-2.8

lp3985im5x-2.8鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)

lp3985im5x-2.8璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

lp3985im5x-2.8鍙冩暩(sh霉)

  • 鍒堕�犲晢National Semiconductor (TI)
  • 鏈�澶ц几鍏ラ浕澹�6 V
  • 杓稿嚭闆诲2.8 V
  • 鍥炲嫊(d貌ng)闆诲锛堟渶澶у�硷級0.002 V at 1 mA, 0.035 V at 50 mA, 0.07 V at 100 mA, 0.1 V at 150 mA
  • 杓稿嚭闆绘祦0.15 A
  • 杓稿嚭绔暩(sh霉)閲�1
  • 杓稿嚭椤�(l猫i)鍨�Fixed
  • 鏈�澶у伐浣滄韩搴�+ 125 C
  • 瀹夎棰�(f膿ng)鏍�SMD/SMT
  • 灏佽 / 绠遍珨SOT-23
  • 鏈�澶у姛鐜囪�楁暎250 mW
  • 鏈�灏忓伐浣滄韩搴�- 40 C
  • 灏佽Reel
  • 宸ュ粻鍖呰鏁�(sh霉)閲�3000
  • 闆诲瑾�(di脿o)绡�(ji茅)婧�(zh菙n)纰哄害+/- 2 %