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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 > L4972AD

L4972AD 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/19 13:54:31 鏌ョ湅 闁辫畝锛�22

L4972AD 鏄敱 STMicroelectronics 鎺ㄥ嚭鐨勪竴娆鹃珮鎬ц兘鍚屾闄嶅鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖閲囩敤鍏堥��(j矛n)鐨勬帶鍒舵妧琛�(sh霉)锛岃兘澶犲湪杓冨鐨勮几鍏ラ浕澹撹寖鍦嶅収(n猫i)鎻愪緵楂樻晥鐜囧拰绌�(w臎n)瀹氳几鍑�銆傚叾鍏�(n猫i)缃姛鐜� MOSFET 鍜岃鍎熼浕璺�锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲�锛屽緸鑰岀啊鍖栦簡瑷�(sh猫)瑷堝苟闄嶄綆浜嗘暣楂旇В姹烘柟妗堢殑鎴愭湰銆�
銆�銆�瑭插櫒浠舵敮鎸侀珮閬�(d谩) 3A 鐨勯�ｇ簩(x霉)杓稿嚭闆绘祦锛屽苟鍏锋湁蹇�熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屼綆寰呮鍔熻�楃殑鐗归粸銆傛澶栵紝瀹冮倓闆嗘垚浜嗗绋繚璀�(h霉)鍔熻兘锛屽閬庢祦淇濊(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧棞(gu膩n)鏂风瓑锛屼互纰轰繚绯荤当(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬с��

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V 鑷� 28V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� VIN
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�100kHz 鑷� 1MHz
銆�銆�鏈�澶ц几鍑洪浕娴侊細3A
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋O-8

鐗规��

L4972AD 鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏�(n猫i)缃珮鏁堝姛鐜� MOSFET锛岄檷浣庡姛鑰楀拰鐔遍噺鐢�(ch菐n)鐢�銆�
銆�銆�2. 鏀寔鍙(di脿o)闁嬮棞(gu膩n)闋荤巼锛屼究浜庡劒(y艒u)鍖栨晥鐜囧拰婵句緵绮剧⒑鐨勪娇鑳藉紩鑵虫帶鍒�锛屽厑瑷辩敤鎴堕潏娲荤鐞嗛浕婧愮媭鎱�(t脿i)銆�
銆�銆�4. 闆嗘垚杌熷暉鍕曞姛鑳�锛岄槻姝笂闆绘檪鐨勯浕娴佹矕鎿娿��
銆�銆�5. 瓒呬綆闈滄厠(t脿i)闆绘祦瑷�(sh猫)瑷�锛岄仼鍚堥浕姹犱緵闆绘噳(y墨ng)鐢�銆�
銆�銆�6. 鍏锋湁鑹ソ鐨勮矤(f霉)杓夊拰绶氭�ц(di脿o)鏁寸巼锛岀⒑淇濊几鍑洪浕澹撶殑绌�(w臎n)瀹氭�с��
銆�銆�7. 灏忓瀷灏佽鍜岃純灏戠殑澶栧湇鍏冧欢锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�

鎳�(y墨ng)鐢�

L4972AD 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕侀珮鏁堥浕婧愯綁(zhu菐n)鎻涚殑闋�(l菒ng)鍩�锛屽寘鎷絾涓嶉檺浜庝互涓嬫柟闈細
銆�銆�1. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勯浕婧愭ā濉娿��
銆�銆�2. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佺殑鍏呴浕闆昏矾銆�
銆�銆�3. 閫氫俊瑷�(sh猫)鍌欑殑绌�(w臎n)澹撻浕婧�銆�
銆�銆�4. 渚挎敎寮忓剙鍣ㄥ剙琛ㄧ殑闆绘睜绠＄悊绯荤当(t菕ng)銆�
銆�銆�5. LED 椹�(q奴)鍕曞拰姹借粖闆诲瓙绯荤当(t菕ng)涓殑杓斿姪闆绘簮閮ㄥ垎銆�

鏇夸唬鍨嬭櫉

L4972D, L4971AD

l4972ad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

l4972ad璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

l4972ad鍙冩暩(sh霉)

  • 鍏跺畠鏈夐棞(gu膩n)鏂囦欢L4972 View All Specifications
  • 妯�(bi膩o)婧�(zh菙n)鍖呰40
  • 椤炲垾闆嗘垚闆昏矾 (IC)
  • 瀹跺涵PMIC - 绌�(w臎n)澹撳櫒 - DC DC 闁嬮棞(gu膩n)绌�(w臎n)澹撳櫒
  • 绯诲垪-
  • 椤炲瀷闄嶅锛堥檷澹擄級
  • 杓稿嚭椤炲瀷鍙(di脿o)寮�
  • 杓稿嚭鏁�(sh霉)1
  • 杓稿嚭闆诲5.1 V ~ 40 V
  • 杓稿叆闆诲15 V ~ 50 V
  • PWM 鍨�-
  • 闋荤巼 - 闁嬮棞(gu膩n)100kHz
  • 闆绘祦 - 杓稿嚭2A
  • 鍚屾鏁存祦鍣�鐒�
  • 宸ヤ綔婧害-40°C ~ 150°C
  • 瀹夎椤炲瀷琛ㄩ潰璨艰
  • 灏佽/澶栨20-SOIC锛�0.295"锛�7.50mm 瀵級
  • 鍖呰绠′欢
  • 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�20-SO
  • 鍏跺畠鍚嶇ū497-4206-5497-4206-5-ND497-4207-5