鏅傞枔锛�2025/5/6 16:30:34
闁辫畝锛�21
TPS51631A 鏄竴娆鹃珮搴﹂泦鎴愮殑闄嶅鐩存祦-鐩存祦杞夋彌鍣�锛屽皥鐐洪﹨鍕曢珮浜害LED鑰岃ō瑷�銆傝┎鍣ㄤ欢鏀寔楂橀仈36V鐨勮几鍏ラ浕澹擄紝骞朵笖鑳藉鎻愪緵楂橀仈2.5A鐨勯�ｇ簩(x霉)杓稿嚭闆绘祦銆傚畠闆嗘垚浜哅OSFET闁嬮棞銆佽宸斁澶у櫒鍜岃鍎熼浕璺�锛屽緸鑰岀啊鍖栦簡瑷▓骞舵笡灏戜簡澶栭儴鍏冧欢鐨勬暩(sh霉)閲�銆�
銆�銆�TPS51631A 閭勬彁渚涗簡澶氱ó淇濊鍔熻兘锛屽寘鎷亷婧繚璀�銆佺煭璺繚璀峰拰閬庢祦淇濊锛屼互纰轰繚鍦ㄥ悇绋伐浣滄浠朵笅鐨勫彲闈犳��銆傛澶�锛屽畠閭勫叿鏈夊彲瑾跨殑PWM瑾垮厜鍔熻兘锛屽厑瑷辩敤鎴堕�氶亷澶栭儴淇¤櫉绮剧⒑鎺у埗LED鐨勪寒搴�銆�
杓稿叆闆诲鑼冨湇锛�4.5V - 36V
銆�銆�杓稿嚭闆绘祦锛�2.5A锛堟渶澶э級
銆�銆�闁嬮棞闋荤巼锛�500kHz
銆�銆�鏁堢巼锛氶珮閬�95%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋OIC-8
TPS51631A 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樻晥鐨勫悓姝ユ暣娴佹妧琛擄紝鑳藉瀵︾従(xi脿n)楂橀仈95%鐨勮綁鎻涙晥鐜�銆�
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銆�銆�5. 瀵几鍏ラ浕澹撹寖鍦�锛岄仼鍚堝绋噳鐢ㄧ挵(hu谩n)澧�銆�
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銆�銆�7. 鍙绡�(ji茅)鐨勬亽瀹氶浕娴佽几鍑�锛岄仼鐢ㄤ簬涓嶅悓椤炲瀷鐨凩ED闄ｅ垪銆�
TPS51631A 寤ｆ硾鎳夌敤浜庨渶瑕侀珮浜害LED椹呭嫊鐨勫牬鍚堬紝鍖呮嫭锛�
銆�銆�1. 姹借粖鐓ф槑绯荤当(t菕ng)锛屽鍓嶅ぇ鐕�銆佸熬鐕堝拰鏃ラ枔琛岃粖鐕�銆�
銆�銆�2. 宸ユキ(y猫)瑷倷涓殑鑳屽厜鐓ф槑銆�
銆�銆�3. 鎴跺寤ｅ憡鐗屽拰椤ず灞�銆�
銆�銆�4. LED绛掔噲鍜屽皠鐕�銆�
銆�銆�5. 鍏朵粬闇�瑕侀珮鏁堥浕婧愮鐞嗙殑楂樺姛鐜嘗ED鎳夌敤銆�
TPS51631
銆�銆�LM3405
銆�銆�LT3476
