鏅傞枔锛�2025/4/28 10:41:16
闁辫畝锛�53
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銆�銆�LM3400閲囩敤鍥哄畾闋荤巼PWM瑾�(di脿o)鍏夋妧琛�锛岃兘澶犳笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟绨″寲瑷▓銆傝�孉O3400A鎲戝�熷叾浣庡皫閫氶浕闃诲拰蹇�熼枊闂滅壒鎬�锛岄潪甯搁仼鍚堥珮鏁堣兘鍔熺巼杞�(zhu菐n)鎻涢浕璺��
鍨嬭櫉锛歀M3400/AO3400A
銆�銆�宸ヤ綔闆诲锛歀M3400 - 6V鑷�60V锛孉O3400A - 鏈�澶�100V
銆�銆�鏈�澶ч浕娴侊細LM3400 - 楂橀仈1A锛堟牴鎿�(j霉)閰嶇疆鍙摯灞曪級锛孉O3400A - 閫ｇ簩(x霉)婕忔サ闆绘祦2.9A
銆�銆�灏庨�氶浕闃伙細AO3400A - 鍏稿瀷鍊肩偤0.055惟
銆�銆�灏佽褰㈠紡锛歀M3400 - SOIC-8锛孉O3400A - SOT-23
銆�銆�瑾�(di脿o)鍏夊姛鑳斤細LM3400鏀寔PWM瑾�(di脿o)鍏�锛岄牷鐜囪寖鍦嶅彲閬�1kHz鍒�20kHz
LM3400鐨勪富瑕佺壒榛炴槸鍏跺収(n猫i)缃簡瑾ゅ樊鏀惧ぇ鍣�銆丳WM瑾�(di脿o)鍏夊姛鑳戒互鍙婇亷婧繚璀锋鍒�锛岄�欎簺鐗规�х⒑淇濅簡鍦ㄥ悇绋挵(hu谩n)澧冧笅鐨勭┅(w臎n)瀹氶亱琛�銆傚悓鏅傦紝瑭茶姱鐗囧叿鏈夎純楂樼殑鏁堢巼鍜岃純浣庣殑鍔熻��锛岄潪甯搁仼鍚堜究鏀滃紡瑷倷鍙婂皪鑳借�楁晱鎰熺殑鎳夌敤鍫存櫙銆�
銆�銆�AO3400A鍓囦互鍏朵綆灏庨�氶浕闃昏憲绋�锛岄�欐湁鍔╀簬闄嶄綆鍌冲皫鎼嶈��锛屾彁楂樻暣楂旂郴绲�(t菕ng)鏁堢巼銆傛澶栵紝鍏跺叿鍌欏嚭鑹茬殑鐔辨�ц兘鍜屽爡鍥虹殑ESD淇濊鑳藉姏锛屼娇鍏惰兘澶犲湪鍤磋嫑鐠�(hu谩n)澧冧笅鍙潬宸ヤ綔銆�
銆�銆�鍏╄�呯祼(ji茅)鍚堜娇鐢ㄦ檪锛屽彲浠ユ(g貌u)寤洪珮鏁堢殑LED椹�(q奴)鍕曡В姹烘柟妗�锛屽叾涓瑼O3400A鐢ㄤ綔闁嬮棞鍣ㄤ欢锛岃�孡M3400璨犺铂绮剧⒑鐨勯浕娴佽(di脿o)绡�(ji茅)鑸囦繚璀�銆�
LM3400閬╃敤浜庢苯杌婂熬鐕�銆佸墡杌婄噲銆佹棩闁撹杌婄噲绛塋ED鐓ф槑绯荤当(t菕ng)锛涘悓鏅備篃鍙敤浜庡伐妤�(y猫)鐓ф槑鍜屽缓绛戣椋剧収鏄庣瓑闋樺煙銆�
銆�銆�AO3400A鍥犲叾楂樻�ц兘琛ㄧ従(xi脿n)锛屽父琚噳鐢ㄤ簬鎵嬫鍏呴浕鍣�銆乁SB闆绘簮閬╅厤鍣�銆丏C-DC杞�(zhu菐n)鎻涘櫒浠ュ強鍚勯娑堣不闆诲瓙鐢�(ch菐n)鍝佺殑鍔熺巼绠＄悊妯″涓�傚叐鑰呮惌閰嶅悗閭勫彲浠ュ舰鎴愬畬鏁寸殑LED椹�(q奴)鍕曢浕璺�锛屾湇鍕欎簬鎴跺寤ｅ憡鐗�銆佽垶鑷虹噲鍏夌瓑闇�瑕佸挤鍥烘�ц垏楂樻晥鎬х殑鍫村悎銆�
LM3400: LT3476, AP3012
銆�銆�AO3400A: BSS138, FDN340P
