鏅傞枔锛�2025/5/13 9:09:08
闁辫畝锛�27
LM3444MA/NOPB 鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夋帹鍑虹殑鎭掓祦椹�(q奴)鍕曞櫒鑺墖锛屼富瑕佺敤浜� LED 椹�(q奴)鍕曟噳鐢�銆傝┎鑺墖閫氶亷绨″柈鐨勫鍦嶉浕璺ō瑷堬紝鑳藉鎻愪緵绌�(w臎n)瀹氱殑闆绘祦杓稿嚭浠ラ﹨(q奴)鍕曞柈鍊嬫垨澶氬�嬩覆鑱�(li谩n)鐨勯珮浜害 LED銆傚畠鍏锋湁楂樻晥鐜囥�佷綆鍔熻�楀拰鑹ソ鐨勭啽鎬ц兘锛屽苟涓斿叾灏佽灏忓阀锛岄仼鍚堢穵婀婂瀷瑷▓闇�姹�銆�
銆�銆�LM3444MA/NOPB 鐨勫伐浣滃師鐞嗗熀浜庝竴鍊嬪収(n猫i)閮ㄧ┅(w臎n)澹撳櫒鍜屽閮� MOSFET 绲�(ji茅)鍚堢殑鏂瑰紡锛屽彲浠ヨ(di脿o)绡�(ji茅) LED 闆绘祦鑰岀劇闇�椤嶅鐨勯浕鎰熷櫒锛屽緸鑰岀啊鍖栦簡闆昏矾瑷▓骞堕檷浣庝簡绯荤当(t菕ng)鎴愭湰銆�
椤炲瀷锛氭亽娴侀﹨(q奴)鍕曞櫒
銆�銆�杓稿叆闆诲鑼冨湇锛�1.2V 鑷� 5.5V
銆�銆�杓稿嚭闆绘祦鑼冨湇锛氭渶澶� 70mA锛堝彲閫氶亷闆婚樆瑷疆锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛歋OT-23
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 8渭A
銆�銆�闂�(gu膩n)鏂锋ā寮忛浕娴侊細鍏稿瀷鍊� 0.1渭A
銆�銆�LED 闁嬭矾淇濊锛氭敮鎸�
銆�銆�ESD 淇濊锛毬�4kV HBM
LM3444MA/NOPB 鎻愪緵浜嗕竴绋啊鍠笖楂樻晥鐨勮В姹烘柟妗堢敤浜庨﹨(q奴)鍕曢珮浜害 LED銆傚叾涓昏鐗规�у寘鎷互涓嬪咕榛烇細
銆�銆�1. 绌�(w臎n)瀹氱殑鎭掓祦杓稿嚭锛岀⒑淇� LED 鐧�(f膩)鍏夌殑涓�鑷存�у拰绌�(w臎n)瀹氭��銆�
銆�銆�2. 鍏�(n猫i)缃棞(gu膩n)鏂峰姛鑳�锛屽彲浠ラ�氶亷閭忚集闆诲钩淇¤櫉杓曟澗鎺у埗 LED 鐨勯枊闂�(gu膩n)鐙�鎱�(t脿i)銆�
銆�銆�3. 鏀寔瀵寖鍦嶈几鍏ラ浕澹�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧�銆�
銆�銆�4. 灏忓昂瀵� SOT-23 灏佽锛屼究浜� PCB 甯冨眬鍜屽皬鍨嬪寲瑷▓銆�
銆�銆�5. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦锛屾湁鍔╀簬鎻愰珮鏁撮珨绯荤当(t菕ng)鐨勬晥鐜�銆�
銆�銆�6. 鎻愪緵閬庢韩淇濊鍜� LED 闁嬭矾淇濊锛屽寮蜂簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
銆�銆�7. 鍙�氶亷澶栭儴闆婚樆闈堟椿瑾�(di脿o)绡�(ji茅)杓稿嚭闆绘祦锛屾豢瓒充笉鍚� LED 鐨勯﹨(q奴)鍕曢渶姹�銆�
LM3444MA/NOPB 寤ｆ硾鎳夌敤浜庡悇绋渶瑕侀珮鏁� LED 椹�(q奴)鍕曠殑鍫存櫙锛屽寘鎷絾涓嶉檺浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 鎵嬫鍜屽叾浠栦究鏀滃紡闆诲瓙瑷倷涓殑鑳屽厜椹�(q奴)鍕�銆�
銆�銆�2. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佹寚绀虹噲鍜岀媭鎱�(t脿i)椤ず銆�
銆�銆�3. 宸ユキ(y猫)瑷倷鐨勭媭鎱�(t脿i)鐩�(ji膩n)娓垏鎻愮ず銆�
銆�銆�4. 姹借粖鍏�(n猫i)椋剧収鏄庡拰鍎�琛ㄧ洡鎸囩ず鐕�銆�
銆�銆�5. 閱�(y墨)鐧傝ō鍌欎腑鐨� LED 鎸囩ず鍜岀収鏄庢ā濉�銆�
銆�銆�6. 灏忓姛鐜� LED 鐓ф槑瑙ｆ焙鏂规銆�
LM3444MX/NOPB, LM3444MV/NOPB
