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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 > L78M12CDT

L78M12CDT 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/12 12:19:12 鏌ョ湅 闁辫畝锛�27

L78M12CDT 鏄竴娆句笁绔闆诲鍥哄畾绌�(w臎n)澹撳櫒锛屽爆浜� LM78 绯诲垪涓殑涓瓑鍔熺巼鐗堟湰銆傚畠鑳藉鎻愪緵绌�(w臎n)瀹氱殑 12V 杓稿嚭闆诲锛屽苟鍏锋湁鐭矾淇濊鍜岀啽闂�(gu膩n)鏂峰姛鑳�锛岀⒑淇濆湪鐣板父鎯呮硜涓嬩笉鏈冩悕澹炶姱鐗囥�傝┎鍣ㄤ欢寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佺┅(w臎n)瀹氱洿娴侀浕婧愮殑闆诲瓙瑷�(sh猫)鍌欎腑銆�
銆�銆�LM78 绯诲垪绌�(w臎n)澹撳櫒浠ュ叾楂樼┅(w臎n)瀹氭��銆佷綆鍣伈鍜屾槗鐢ㄦ�ц�岃仦鍚�锛岄仼鐢ㄤ簬鍚勭ó宸ユキ(y猫)鍜屾秷璨婚闆诲瓙鐢�(ch菐n)鍝併��

鍙冩暩(sh霉)

杓稿嚭闆诲锛�12V
銆�銆�杓稿叆闆诲鑼冨湇锛�14.5V 鑷� 30V
銆�銆�鏈�澶ц几鍑洪浕娴侊細0.5A
銆�銆�灏佽褰㈠紡锛歍O-220
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� 125掳C
銆�銆� dropout 闆诲锛堝宸級锛氬吀鍨嬪�� 2.5V
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 8mA

鐗规��

L78M12CDT 鍏锋湁浠ヤ笅鐗归粸锛�
銆�銆�1. 鍏�(n猫i)缃亷娴佷繚璀峰拰閬庣啽淇濊姗熷埗锛岀⒑淇濊姱鐗囧畨鍏ㄩ亱琛�銆�
銆�銆�2. 杓稿嚭闆诲绮惧害楂橈紝绱嬫尝鎶戝埗姣斿挤锛岄仼鍚堝皪闆诲绌�(w臎n)瀹氭�ц姹傝純楂樼殑鍫存櫙銆�
銆�銆�3. 灏佽鍫呭浐鑰愮敤锛屾暎鐔辨�ц兘鑹ソ锛岄仼鍚堥暦鏅傞枔閫ｇ簩(x霉)宸ヤ綔銆�
銆�銆�4. 瑷�(sh猫)瑷堢啊鍠�锛屽儏闇�妤靛皯澶栭儴鍏冧欢鍗冲彲瀵︾従(xi脿n)瀹屾暣鐨勭┅(w臎n)澹撻浕璺��
銆�銆�5. 宸ヤ綔婧害鑼冨湇瀵唬锛岄仼鎳�(y墨ng)澶氱ó鐠�(hu谩n)澧冩浠朵笅鐨勬噳(y墨ng)鐢ㄩ渶姹�銆�
銆�銆�6. 鍏煎鎬уソ锛屽彲鐩存帴鏇夸唬鍏朵粬鍚岄鍨嬭櫉鐨勭┅(w臎n)澹撳櫒銆�

鎳�(y墨ng)鐢�

L78M12CDT 甯哥敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽闊抽熆瑷�(sh猫)鍌�銆佸鐢ㄩ浕鍣ㄧ瓑銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌�锛屼緥濡� PLC銆佸偝鎰熷櫒渚涢浕妯″绛�銆�
銆�銆�3. 閫氫俊瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愰儴鍒�銆�
銆�銆�4. 閱�(y墨)鐧傚剙鍣ㄤ腑鐨勪綆澹撲緵闆婚浕璺�銆�
銆�銆�5. 灏忓瀷宓屽叆寮忕郴绲�(t菕ng)鍜屽柈鐗囨闁嬬櫦(f膩)鏉跨殑闆绘簮閮ㄥ垎銆�
銆�銆�6. LED 椹�(q奴)鍕曢浕璺拰鍏朵粬闇�瑕佺┅(w臎n)瀹氱洿娴侀浕澹撶殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�

鏇夸唬鍨嬭櫉

LM7812, L7812CV

l78m12cdt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

l78m12cdt璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

l78m12cdt鍙冩暩(sh霉)

  • 鍒堕�犲晢STMicroelectronics
  • 鐢�(ch菐n)鍝佺ó椤�绶氭�х┅(w臎n)澹撳櫒 - 妯�(bi膩o)婧�(zh菙n)
  • 杓稿嚭椤炲瀷Fixed
  • 妤垫��Positive
  • 杓稿嚭闆诲12 V
  • 杓稿嚭闆绘祦0.5 A
  • 璨�(f霉)杓夎(di脿o)绡�(ji茅)240 mV
  • 鏈�澶ц几鍏ラ浕澹�35 V
  • 绶氳矾瑾�(di脿o)鏁寸巼100 mV
  • 鏈�澶у伐浣滄韩搴�+ 150 C
  • 瀹夎棰�(f膿ng)鏍�SMD/SMT
  • 灏佽 / 绠遍珨TO-252
  • 鏈�灏忓伐浣滄韩搴�0 C
  • 杓稿嚭绔暩(sh霉)閲�1
  • 灏佽Tube
  • 宸ュ粻鍖呰鏁�(sh霉)閲�75