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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 > LP3990

LP3990 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/7 20:31:55 鏌ョ湅 闁辫畝锛�31

LP3990鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夌敓鐢�(ch菐n)鐨勪綆鍔熻��銆侀珮绮惧害鐨勪綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛�銆傚畠鍏锋湁鍑鸿壊鐨勭灛鎱�(t脿i)闊挎噳(y墨ng)鑳藉姏鍜屼綆鍣伈鐗规��锛岄仼鐢ㄤ簬灏�(du矛)闆绘簮璩�(zh矛)閲忚姹傝純楂樼殑渚挎敎寮忛浕瀛愯ō(sh猫)鍌欏拰閫氫俊绯荤当(t菕ng)銆�
銆�銆�瑭茶姱鐗囨敮鎸�1.2V鑷�5.5V鐨勮几鍏ラ浕澹撹寖鍦嶏紝骞惰兘澶犳彁渚涢珮閬�(d谩)150mA鐨勮几鍑洪浕娴�銆傚叾鍏�(n猫i)閮ㄩ泦鎴愪簡閬�(gu貌)娴佷繚璀�(h霉)銆侀亷(gu貌)婧繚璀�(h霉)浠ュ強鍙嶅悜闆绘睜淇濊(h霉)鍔熻兘锛岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑绌�(w臎n)瀹氭�у拰鍙潬鎬с��
銆�銆�LP3990閭勫叿鍌欎娇鑳藉紩鑵筹紙ENABLE锛�锛屽彲浠ユ柟渚垮湴鎺у埗鍣ㄤ欢鐨勯枊(k膩i)鍟熻垏闂�(gu膩n)闁夛紝寰炶�岄��(j矛n)涓�姝ラ檷浣庡緟姗�(j墨)鍔熻��銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�1.2V 鑷� 5.5V
銆�銆�杓稿嚭闆绘祦锛氭渶澶�150mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪��15uA
銆�銆�澹撻檷锛氬吀鍨嬪��300mV@150mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歋OT-23, MSOP-8

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LP3990閲囩敤浜嗗厛閫�(j矛n)鐨凜MOS宸ヨ棟鍒堕�狅紝鍏峰倷闈炲父浣庣殑闈滄厠(t脿i)闆绘祦锛岄潪甯搁仼鍚堥浕姹犱緵闆荤殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
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銆�銆�1. 楂樼簿搴﹁几鍑洪浕澹撹(di脿o)绡�(ji茅)锛岃宸皬浜幝�1%銆�
銆�銆�2. 鍏�(n猫i)缃粺鍟熷嫊(d貌ng)鍔熻兘锛屾笡灏戜笂闆绘氮娑岄浕娴�銆�
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銆�銆�4. 浣庡櫔鑱叉�ц兘锛屾湁鍔╀簬鎻愰珮绯荤当(t菕ng)鐨勪俊铏�(h脿o)瀹屾暣鎬с��
銆�銆�5. 灏忓瀷鍖栧皝瑁濊ō(sh猫)瑷�(j矛)锛屼究浜嶱CB甯冨眬鍎�(y艒u)鍖�銆�
銆�銆�6. 鏀寔澶氱ó鍥哄畾杓稿嚭闆诲鐗堟湰锛堜緥濡�1.8V銆�2.5V銆�2.8V銆�3.3V绛夛級锛屾豢瓒充笉鍚屾噳(y墨ng)鐢ㄩ渶姹�銆�

鎳�(y墨ng)鐢�

LP3990寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勯浣庡姛鑰楅浕瀛愮敘(ch菐n)鍝佷腑锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鎵嬫(j墨)鍙婂钩鏉块浕鑵︾殑杓斿姪闆绘簮绠＄悊銆�
銆�銆�2. 鍙┛鎴磋ō(sh猫)鍌�锛屽鏅鸿兘鎵嬭〃鍜屽仴韬拷韫ゅ櫒銆�
銆�銆�3. 鏁�(sh霉)瀛楅煶闋绘挱鏀惧櫒鍜屼究鏀滃紡澶氬獟楂旂祩绔��
銆�銆�4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栧剙琛ㄥ拰鍌虫劅鍣ㄦā濉�銆�
銆�銆�5. GPS灏�(d菐o)鑸ō(sh猫)鍌欏拰鍏朵粬鎵嬫寔寮忔秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝�銆�
銆�銆�鐢变簬鍏跺嚭鑹茬殑鏁堢巼鍜岀┅(w臎n)瀹氭�э紝LP3990鎴愮偤閫欎簺闋�(l菒ng)鍩熶腑鐞嗘兂鐨勯浕婧愯В姹烘柟妗�銆�

鏇夸唬鍨嬭櫉(h脿o)

LP3985
銆�銆�LP3991
銆�銆�AP1117
銆�銆�LM1117

lp3990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)

lp3990璩囨枡 鏇村>

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