鏅傞枔锛�2025/5/6 16:43:11
闁辫畝锛�32
LM3429鏄竴娆剧敱Texas Instruments锛堝痉宸炲剙鍣級鎺ㄥ嚭鐨勯珮鏁圠ED椹呭嫊鍣�锛屾敮鎸侀檷澹�銆佸崌澹撳拰鍗囬檷澹撴ā寮忋�傚畠鑳藉鎻愪緵鎭掑畾闆绘祦浠ラ﹨鍕曞柈鍊嬫垨澶氬�嬩覆鑱殑楂樺姛鐜嘗ED銆傝┎鑺墖瑷▓闈堟椿锛岄仼鐢ㄤ簬姹借粖鐓ф槑銆佸伐妤�(y猫)鐓ф槑浠ュ強渚挎敎寮忚ō鍌欑瓑鎳夌敤鍫村悎銆�
銆�銆�LM3429閲囩敤闆绘祦妯″紡鎺у埗鏋舵锛屽叿鏈夊揩閫熺灛鎱�(t脿i)闊挎噳鍜岃壇濂界殑绶氭�ц绡�(ji茅)鑳藉姏銆傚叾鍏ч儴闆嗘垚鐨凱WM瑾垮厜鍔熻兘鍏佽ū瀵︾従楂橀仈3000:1鐨勮鍏夋瘮锛屽悓鏅傛敮鎸佹ā鎿鍏変互婊胯冻鏇寸簿绱扮殑浜害鎺у埗闇�姹�銆�
銆�銆�閫欐鑺墖鑳藉鍦ㄥ杓稿叆闆诲鑼冨湇鍏у伐浣�锛屾渶楂樻敮鎸�36V鐨勮几鍏ラ浕澹�锛屽苟鍏峰倷瀹屽杽鐨勪繚璀峰姛鑳�锛屼緥濡傞亷婧繚璀枫�佺煭璺繚璀峰拰閬庢祦淇濊銆�
杓稿叆闆诲鑼冨湇锛�4.5V - 36V
銆�銆�杓稿嚭闆绘祦锛氭渶澶�1A
銆�銆�闁嬮棞闋荤巼锛�200kHz - 2MHz鍙
銆�銆�鏁堢巼锛氶珮閬�95%
銆�銆�PWM瑾垮厜闋荤巼锛氶珮閬�2kHz
銆�銆�瑾垮厜鑼冨湇锛�3000:1
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� to 125鈩�
銆�銆�灏佽椤炲瀷锛欻SOP-16
1. 鏀寔闄嶅銆佸崌澹撳拰鍗囬檷澹撴嫇鎾茬祼妲�锛岄仼鎳夊绋浕璺渶姹傘��
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銆�銆�3. 鎻愪緵绮炬簴鐨凩ED闆绘祦瑾跨瘈(ji茅)鍔熻兘锛岃宸皬浜幝�3%銆�
銆�銆�4. 闆嗘垚杌熷暉鍕曞姛鑳斤紝娓涘皯鍟熷嫊鏅傜殑娴秾闆绘祦銆�
銆�銆�5. 鍙�氶亷澶栭儴闆婚樆瑷疆闁嬮棞闋荤巼锛屼究浜庡劒(y艒u)鍖朎MI鎬ц兘銆�
銆�銆�6. PWM瑾垮厜鏀寔楂橀仈3000:1鐨勮鍏夋瘮锛岄仼鍚堟苯杌婂熬鐕�銆佸墡杌婄噲绛夋噳鐢�銆�
銆�銆�7. 鍏ч儴闆嗘垚浜嗗叏闈㈢殑淇濊姗熷埗锛屽寘鎷亷婧棞鏂�銆佽几鍑虹煭璺繚璀风瓑銆�
1. 姹借粖LED鍓嶇収鐕堝拰灏剧噲椹呭嫊
銆�銆�2. 宸ユキ(y猫)鍙婂晢妤�(y猫)LED鐓ф槑瑙ｆ焙鏂规
銆�銆�3. 渚挎敎寮忚ō鍌欏鎵嬮浕绛�銆佺浉姗熼杻鍏夌噲绛�
銆�銆�4. 椤ず灞忚儗鍏夊強灞�閮ㄨ鍏夋帶鍒�
銆�銆�5. 鑸┖鑸ぉ鍜岃粛浜嬮牁鍩熶腑鐨勯珮鍙潬LED椹呭嫊
LM3428, LM3445, TPS92515
