鏅傞枔锛�2025/5/8 19:51:44
闁辫畝锛�26
LT3761 鏄竴娆鹃珮闆诲鍚屾闄嶅-鍗囧鍨� DC/DC 鎺у埗鍣�锛屽皥鐐洪﹨(q奴)鍕曞ぇ闆绘祦 LED 鑰岃ō(sh猫)瑷�銆傚畠鑳藉鍦ㄨ几鍏ラ浕澹撻珮浜�銆佷綆浜庢垨绛変簬杓稿嚭闆诲鐨勬儏娉佷笅宸ヤ綔锛岄潪甯搁仼鍚堟苯杌�銆佸伐妤�(y猫)鍜屽缓绛戠収鏄庢噳鐢ㄣ�傝┎鍣ㄤ欢閲囩敤鎭掑畾闋荤巼闆绘祦妯″紡鏋舵(g貌u)锛屽苟闆嗘垚浜嗛珮澹撳伌(c猫)鍜屼綆澹撳伌(c猫) N 婧濋亾 MOSFET 椹�(q奴)鍕曞櫒銆�
銆�銆�LT3761 鏀寔 PWM 瑾�(di脿o)鍏夊拰妯℃摤瑾�(di脿o)鍏夊姛鑳�锛岃兘澶犳彁渚涚簿纰虹殑 LED 闆绘祦瑾�(di脿o)绡�(ji茅)銆傛澶栵紝鍏剁崹鐗圭殑瑷�(sh猫)瑷堝厑瑷卞湪瀵寖鍦嶇殑杓稿叆闆诲姊濅欢涓嬩繚鎸侀珮鏁堢巼銆�
杓稿叆闆诲鑼冨湇锛�4V 鑷� 60V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0V 鑷� 60V
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�100kHz 鑷� 1MHz
銆�銆�鏈�澶ц几鍑洪浕娴侊細瓒呴亷 5A锛堝彇姹轰簬澶栭儴鍏冧欢锛�
銆�銆�LED 闆绘祦绮惧害锛毬�3%
銆�銆�宸ヤ綔绲�(ji茅)婧寖鍦嶏細-40掳C 鑷� 125掳C
銆�銆�灏佽锛歁SOP-16E
LT3761 鎻愪緵浜嗗绋棞(gu膩n)閸电壒鎬у拰鍎�(y艒u)鍕細
銆�銆�1. 鍚屾鏁存祦鎶�琛�(sh霉)纰轰繚楂樻晥鑳借綁(zhu菐n)鎻�锛岀壒鍒ユ槸鍦ㄥ杓稿叆闆诲鍜岃几鍑洪浕澹撹寖鍦嶅収(n猫i)銆�
銆�銆�2. 鍏�(n猫i)缃殑楂樼鍜屼綆绔煹妤甸﹨(q奴)鍕曞櫒鏀寔澶у姛鐜囧閮� MOSFET锛岀啊鍖栦簡闆昏矾瑷�(sh猫)瑷�銆�
銆�銆�3. 鍙法绋嬭粺鍟熷嫊鍔熻兘鍙槻姝㈠暉鍕曟檪鐨勬氮娑岄浕娴�銆�
銆�銆�4. 鏀寔妯℃摤瑾�(di脿o)鍏夊拰楂橀仈 3kHz 鐨勯珮闋� PWM 瑾�(di脿o)鍏夛紝婊胯冻涓嶅悓浜害鎺у埗闇�姹�銆�
銆�銆�5. 鐭矾淇濊鍜岀啽闂�(gu膩n)鏂峰姛鑳藉寮蜂簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
銆�銆�6. 鍏�(n猫i)閮ㄨ鍎熸笡灏戜簡澶栭儴绲勪欢鏁�(sh霉)閲�锛屽緸鑰岄檷浣庝簡绺介珨瑙ｆ焙鏂规鎴愭湰銆�
銆�銆�閫欎簺鐗归粸浣垮緱 LT3761 鎴愮偤闇�瑕侀珮鏁堢巼鍜岀簿纰洪浕娴佹帶鍒剁殑 LED 鐓ф槑鎳夌敤鐨勭悊鎯抽伕鎿囥��
LT3761 寤ｆ硾鎳夌敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 姹借粖鍏�(n猫i)澶栭儴 LED 鐓ф槑绯荤当(t菕ng)锛屽寘鎷墡杌婄噲銆佽綁(zhu菐n)鍚戠噲鍜屾棩闁撹杌婄噲銆�
銆�銆�2. 宸ユキ(y猫)鑸囧缓绛戜腑鐨勯珮浜害 LED 鐓ф槑銆�
銆�銆�3. 澶у睆骞曢’绀哄櫒鑳屽厜鍙婃姇褰卞剙鍏夋簮銆�
銆�銆�4. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨� LED 鍏夋簮渚涢浕銆�
銆�銆�5. 妯欏織鐕堝拰寤ｅ憡鐗岀収鏄�銆�
銆�銆�6. USB-PD 鎴栧叾浠栭浕婧愰仼閰嶅櫒鐩搁棞(gu膩n)鐨� LED 椹�(q奴)鍕曟柟妗堛��
銆�銆�鎲戝�熷叾寤ｆ硾鐨勮几鍏ラ浕澹撹寖鍦嶅拰寮峰ぇ鐨勯﹨(q奴)鍕曡兘鍔�锛孡T3761 鍦ㄥ悇绋挵(hu谩n)澧冧腑鍧囪〃鐝�(xi脿n)鍑鸿壊銆�
LT3755, LT3756, LT3758
