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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > U479B

U479B 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/8 9:37:51 鏌ョ湅 闁辫畝锛�26

U479B鏄竴绋珮鎬ц兘鐨勪綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闇�瑕佺┅(w臎n)瀹氶浕澹撹几鍑虹殑闆诲瓙瑷�(sh猫)鍌欎腑銆傝┎鑺墖鍏锋湁鍑鸿壊鐨勮矤(f霉)杓夊拰绶氳矾瑾�(di脿o)绡�(ji茅)鑳藉姏锛岃兘澶犲湪寤ｆ硾鐨勮几鍏ラ浕澹撹寖鍦嶅収(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲銆�
銆�銆�U479B閲囩敤鍏堥��(j矛n)鐨勫崐灏�(d菐o)楂斿埗閫犲伐钘濓紝鍏峰倷浣庡姛鑰�銆侀珮绮惧害鍜屽揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)绛夌壒鎬�銆傚叾瑷�(sh猫)瑷堟棬鍦ㄦ豢瓒充究鏀滃紡瑷�(sh猫)鍌欏拰鍏朵粬灏嶉浕婧愭晥鐜囪姹傝純楂樼殑鎳�(y墨ng)鐢ㄥ牬鏅殑闇�姹�銆�

鍙冩暩(sh霉)

椤炲瀷锛歀DO绌�(w臎n)澹撳櫒
銆�銆�杓稿叆闆诲鑼冨湇锛�2.3V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.2V 鑷� 3.3V
銆�銆�鏈�澶ц几鍑洪浕娴侊細300mA
銆�銆�闈滄厠(t脿i)闆绘祦锛�2.5uA
銆�銆� dropout闆诲锛�120mV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紡锛歋OT-23, TO-92

鐗规��

U479B鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂樼簿搴﹁几鍑洪浕澹擄細杓稿嚭闆诲鐨勮宸皬浜幝�1%锛岀⒑淇濅簡绯荤当(t菕ng)鐨勭┅(w臎n)瀹氭��銆�
銆�銆�2. 瓒呬綆闈滄厠(t脿i)闆绘祦锛氬湪杓曡級姊濅欢涓嬶紝闈滄厠(t脿i)闆绘祦鍍呯偤2.5uA锛岄潪甯搁仼鍚堥浕姹犱緵闆荤殑鎳�(y墨ng)鐢�銆�
銆�銆�3. 蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)锛氳兘澶犲揩閫熼仼鎳�(y墨ng)璨�(f霉)杓夎畩鍖栵紝淇濇寔杓稿嚭闆诲鐨勭┅(w臎n)瀹氭��銆�
銆�銆�4. 鍏�(n猫i)缃亷娴佷繚璀�(h霉)鍜岄亷婧繚璀�(h霉)锛氭湁鏁堥槻姝㈠洜鐣板父鎯呮硜灏�(d菐o)鑷磋姱鐗囨悕澹炪��
銆�銆�5. 浣庡櫔鑱叉�ц兘锛氳几鍑虹磱娉㈡姂鍒舵瘮锛圥SRR锛夊湪1kHz鏅傚彲閬�(d谩)70dB锛岀偤鏁忔劅闆昏矾鎻愪緵浜嗗共鍑堢殑闆绘簮鐠�(hu谩n)澧冦��
銆�銆�6. 灏忓瀷灏佽锛氭敮鎸丼OT-23鍜孴O-92灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�

鎳�(y墨ng)鐢�

U479B閬╃敤浜庡绋渶瑕侀珮鏁堛�佺┅(w臎n)瀹氶浕婧愮殑鎳�(y墨ng)鐢ㄥ牬鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細濡傛櫤鑳芥墜姗�(j墨)銆佸钩鏉块浕鑵�銆佹暩(sh霉)纰肩浉姗�(j墨)绛夈��
銆�銆�2. 渚挎敎寮忛啱(y墨)鐧傝ō(sh猫)鍌欙細渚嬪琛�绯栧剙銆佽剤鎼忚姘у剙绛�銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊鍖栬ō(sh猫)鍌欙細鍌虫劅鍣ㄦā濉�銆佹暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)绛�銆�
銆�銆�4. 閫氫俊瑷�(sh猫)鍌欙細鐒＄窔妯″銆佽棈(l谩n)鐗欒ō(sh猫)鍌欑瓑銆�
銆�銆�5. 鐗╄伅(li谩n)缍�(w菐ng)锛圛oT锛夌祩绔細鏅鸿兘鎵嬭〃銆佹櫤鑳藉灞呮帶鍒跺櫒绛�銆�

鏇夸唬鍨嬭櫉

U479C, LM1117, AP1117

u479b鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

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

u479b璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級