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
鏅�(sh铆)闁擄細2025/4/27 17:48:03
闁辫畝锛�28
LM3638A0RDYFDR 鏄竴娆鹃珮鏁�銆佷綆鍔熻�楃殑鍗囧杞�(zhu菐n)鎻涘櫒锛屽皥鐐轰究鏀滃紡鎳�(y墨ng)鐢ㄨō(sh猫)瑷�(j矛)銆傝┎鑺墖鑳藉?q奴)鈶ゆ枎鑵氬Ψ绨墶妞�?2.7V 鎻愬崌鍒版洿楂樼殑杓稿嚭闆诲锛屽苟鎻愪緵绌�(w臎n)瀹氱殑闆绘祦杓稿嚭浠ラ﹨(q奴)鍕� LED 鎴栧叾浠栬矤(f霉)杓�銆傚叾鍏�(n猫i)缃簡 PWM 瑾�(di脿o)鍏夊姛鑳�锛屾敮鎸佷寒搴﹁(di脿o)绡�(ji茅)锛屽苟涓斿叿鏈夌煭璺繚璀�(h霉)鍜岀啽闂�(gu膩n)鏂峰姛鑳�锛岀⒑淇濈郴绲�(t菕ng)閬�(y霉n)琛岀殑瀹夊叏鎬у拰鍙潬鎬�銆�
銆�銆�瑭茶姱鐗囧唬娉涙噳(y墨ng)鐢ㄤ簬鎵嬫(j墨)銆佸钩鏉块浕鑵�銆佹暩(sh霉)纰肩浉姗�(j墨)绛夐渶瑕侀珮鏁堢巼鑳屽厜椹�(q奴)鍕曠殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�
杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 5.5V
銆�銆�鏈�澶ц几鍑洪浕娴侊細1A
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�1.2MHz
銆�銆�宸ヤ綔鏁堢巼锛氶珮閬�(d谩) 90%
銆�銆�PWM 瑾�(di脿o)鍏夐牷鐜囷細楂橀仈(d谩) 20kHz
銆�銆�灏佽褰㈠紡锛歐SON-10
LM3638A0RDYFDR 鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂樻晥鐨勫崌澹撹綁(zhu菐n)鎻涜兘鍔�锛岃兘澶犲湪浣庤几鍏ラ浕澹撲笅鎻愪緵绌�(w臎n)瀹氱殑闆绘祦杓稿嚭銆�
銆�銆�2. 鍏�(n猫i)缃� PWM 瑾�(di脿o)鍏夋帶鍒�锛屾敮鎸侀珮閬�(d谩) 20kHz 鐨勮(di脿o)鍏夐牷鐜囷紝閬╁悎鍕曟厠(t脿i)鑳屽厜瑾�(di脿o)绡�(ji茅)銆�
銆�銆�3. 灏忓瀷灏佽 (WSON-10)锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
銆�銆�4. 鏀寔閬庢祦淇濊(h霉)銆佺煭璺繚璀�(h霉)浠ュ強閬庢韩淇濊(h霉)锛屾彁鍗囩郴绲�(t菕ng)鐨勫畨鍏ㄦ��銆�
銆�銆�5. 宸ヤ綔闋荤巼鍥哄畾鍦� 1.2MHz锛屽彲浣跨敤灏忓瀷闆绘劅鍜岄浕瀹广��
銆�銆�6. 鍟熷嫊鏅�(sh铆)闁撳揩锛岄仼鎳�(y墨ng)鐬厠(t脿i)璨�(f霉)杓夎畩鍖�銆�
LM3638A0RDYFDR 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鎵嬫(j墨)鍜屽钩鏉块浕鑵︿腑鐨� LED 鑳屽厜椹�(q奴)鍕�銆�
銆�銆�2. 鏁�(sh霉)纰肩浉姗�(j墨)銆佹敐鍍忔(j墨)绛夋秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝佺殑椤ず灞忚儗鍏�銆�
銆�銆�3. 鍙┛鎴磋ō(sh猫)鍌欎腑鐨勯’绀烘ā濉婁緵闆�銆�
銆�銆�4. 鍏朵粬闇�瑕侀珮鏁堝崌澹撹綁(zhu菐n)鎻涘拰鎭掓祦椹�(q奴)鍕曠殑鍫存櫙銆�
銆�銆�閫欐鑺墖浠ュ叾楂樻晥鐜囧拰灏忓昂瀵哥殑鐗归粸(di菐n)锛屽湪绉诲嫊瑷�(sh猫)鍌欎腑寰楀埌浜嗗唬娉涙噳(y墨ng)鐢�銆�
LM3638A0RDBVR, LM3638A0RDDCR
IC鍨嬭櫉绱㈠紩锛� A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
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