国产在线中文字幕亚洲,一区视频国产精品观看,欧美日韩国产高清片,久久久久久AV无码免费网站,亚洲无码一二三四五区,日韩无码www.,sese444

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 > LM3447

LM3447 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/23 8:54:32 鏌ョ湅 闁辫畝锛�15

LM3447鏄竴绋珮闆嗘垚搴︾殑LED椹�(q奴)鍕曡姱鐗�锛屽皥鐐烘苯杌婂熬鐕�銆佸墡杌婄噲鍜岃綁(zhu菐n)鍚戠噲绛夋噳(y墨ng)鐢ㄨō(sh猫)瑷�銆傝┎鑺墖閫氶亷鎻愪緵鎭掑畾闆绘祦渚嗛﹨(q奴)鍕曚竴鍊嬫垨澶氬�嬩覆鑱�(li谩n)鐨凩ED锛岀⒑淇濅簡浜害鐨勪竴鑷存�у拰绌�(w臎n)瀹氭�с�傚畠閲囩敤PWM瑾�(di脿o)鍏夋妧琛�(sh霉)锛屾敮鎸侀珮閬�100:1鐨勮(di脿o)鍏夋瘮锛屽苟涓斿叿鍌欓亷婧繚璀�銆佺煭璺繚璀蜂互鍙婇亷澹撲繚璀风瓑鍔熻兘锛屽緸鑰屾彁鍗囦簡绯荤当(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬с��
銆�銆�LM3447閲囩敤灏忓瀷SOIC-8灏佽锛屼究浜庡湪绌洪枔鍙楅檺鐨勬噳(y墨ng)鐢ㄤ腑浣跨敤锛屽悓鏅傚叾绨″柈鐨勮ō(sh猫)瑷堝拰杓冨皯鐨勫閮ㄥ厓浠堕渶姹備娇鍏舵垚鐐轰綆鎴愭湰楂樻晥瑙ｆ焙鏂规鐨勭悊鎯抽伕鎿�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�4.5V - 60V
銆�銆�杓稿嚭闆绘祦锛氭渶楂�250mA
銆�銆�瑾�(di脿o)鍏夐牷鐜囪寖鍦嶏細100Hz - 20kHz
銆�銆�瑾�(di脿o)鍏夋瘮锛�100:1
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� to +125鈩�
銆�銆�灏佽褰㈠紡锛歋OIC-8

鐗规��

LM3447鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂樿几鍏ラ浕澹撹寖鍦�锛岄仼鐢ㄤ簬澶氱ó闆绘簮鐠�(hu谩n)澧冦��
銆�銆�2. 鍏�(n猫i)缃亽娴佹簮锛岀劇闇�椤嶅鐨勯浕娴佽(di脿o)绡�(ji茅)闆昏矾銆�
銆�銆�3. 鏀寔PWM瑾�(di脿o)鍏夊姛鑳�锛屽彲瀵︾従(xi脿n)绮剧⒑鐨勪寒搴︽帶鍒躲��
銆�銆�4. 鎻愪緵鍏ㄩ潰鐨勪繚璀峰姛鑳�锛屽寘鎷亷婧棞(gu膩n)鏂枫�丩ED闁嬭矾淇濊鍜岀煭璺繚璀�銆�
銆�銆�5. 灏忓瀷鍖栧皝瑁濓紝閬╁悎绌洪枔鏈夐檺鐨勬噳(y墨ng)鐢ㄥ牬鏅�銆�
銆�銆�6. 鍙洿鎺ラ﹨(q奴)鍕曞閬�4鍊嬩覆鑱�(li谩n)LED锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆�
銆�銆�7. 鑹ソ鐨勯浕纾佸吋瀹规��(EMC)鎬ц兘锛岄檷浣庡皪澶栭儴骞叉摼鐨勫奖闊�銆�

鎳�(y墨ng)鐢�

LM3447寤ｆ硾鎳�(y墨ng)鐢ㄤ簬姹借粖鐓ф槑闋�(l菒ng)鍩�锛屽叿楂斿寘鎷細
銆�銆�1. 姹借粖灏剧噲鍜屽墡杌婄噲椹�(q奴)鍕�銆�
銆�銆�2. 杞�(zhu菐n)鍚戠噲鍜岀ず瀵噲鎺у埗銆�
銆�銆�3. 鏃ラ枔琛岃粖鐕�(DRL)绯荤当(t菕ng)銆�
銆�銆�4. 宸ユキ(y猫)鐢↙ED鐓ф槑瑷�(sh猫)鍌�銆�
銆�銆�5. 鍚勭ó闇�瑕侀珮鍙潬鎬у拰楂樻晥鐜囩殑LED椹�(q奴)鍕曞牬鍚�銆�

鏇夸唬鍨嬭櫉

LM3448, TPS92510

lm3447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

lm3447璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級