LT3755IMSE-2#TRPBF 鏅傞枔锛�2025/4/29 14:40:28 闁辫畝锛�22

LT3755 鏄竴娆剧敱 Analog Devices 鎻愪緵鐨勯珮鏁堢巼 LED 椹�(q奴)鍕曞櫒鎺у埗鍣�锛屽皥鐐哄ぇ闆绘祦 LED 鎳�(y墨ng)鐢ㄨ€岃ō(sh猫)瑷�銆傚畠鑳藉椹�(q奴)鍕曢珮閬�(d谩) 1A 鐨勫閮ㄩ枊闂�(gu膩n)浠ユ敮鎸侀珮鍔熺巼 LED 鐓ф槑鎳�(y墨ng)鐢�銆傝┎鍣ㄤ欢鍏锋湁鎭掑畾闋荤巼闆绘祦妯″紡鏋舵(g貌u)锛屾彁渚涘揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屽崜瓒婄殑鐠�(hu谩n)璺┅(w臎n)瀹氭€с€侺T3755IMSE-2#TRPBF 鏄叾宸ユキ(y猫)婧害鑼冨湇鍏�(n猫i)鐨勮〃闈㈣布瑁濈増鏈�锛岄噰鐢ㄨ€愮啽澧炲挤(qi谩ng)鍨� 28 寮曡叧 TSSOP 灏佽銆�
銆€銆€瑭茶姱鐗囬潪甯搁仼鍚堥渶瑕佺簿纰鸿(di脿o)绡€(ji茅) LED 闆绘祦鐨勬噳(y墨ng)鐢ㄥ牬鏅�锛屽苟涓斿彲浠ラ潏娲诲湴閰嶇疆鐐哄崌澹�銆侀檷澹�-鍗囧鎴� SEPIC 鎷�?f霉)娴(ji茅)妲�(g貌u)銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.7V 鑷� 60V
銆€銆€杓稿嚭闆绘祦锛氭渶澶ф敮鎸� 1A 澶栭儴闁嬮棞(gu膩n)椹�(q奴)鍕�
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�100kHz 鑷� 1MHz 鍙(di脿o)
銆€銆€LED 闁嬭矾淇濊(h霉)闁惧€硷細鍙(di脿o)
銆€銆€宸ヤ綔绲�(ji茅)婧寖鍦嶏細-40掳C 鑷� 125掳C
銆€銆€灏佽椤炲瀷锛�28 寮曡叧 TSSOP

鐗规€�

LT3755 鎻愪緵浜嗗绋棞(gu膩n)閸靛姛鑳戒互纰轰繚楂樻€ц兘鎿嶄綔锛�
銆€銆€1. 鎭掑畾闋荤巼 PWM 鎺у埗锛屽厑瑷辩敤鎴堕€氶亷绨″柈瑾�(di脿o)鏁撮浕闃讳締瑷�(sh猫)缃枊闂�(gu膩n)闋荤巼锛屽緸鑰屽劒(y艒u)鍖栨晥鐜囧拰闆荤骞叉摼鎬ц兘銆�
銆€銆€2. 鍏�(n猫i)缃珮绔浕娴佹娓姛鑳�锛岀啊鍖栦簡 PCB 甯冨眬骞舵笡灏戜簡绲勪欢鏁�(sh霉)閲�銆�
銆€銆€3. 鏀寔妯℃摤鎴� PWM 瑾�(di脿o)鍏夛紝渚夸簬瀵�(sh铆)鐝�(xi脿n)浜害鎺у埗銆�
銆€銆€4. 鍏峰倷鍏ㄩ潰鐨勪繚璀�(h霉)姗�(j墨)鍒�锛屼緥濡� LED 闁嬭矾淇濊(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧繚璀�(h霉)锛屾彁楂樹簡绯荤当(t菕ng)鍙潬鎬с€�
銆€銆€5. 鑳藉閬╂噳(y墨ng)鍚勭ó杓稿叆闆诲姊濅欢锛岄仼鐢ㄤ簬姹借粖銆佸伐妤�(y猫)浠ュ強寤虹瓚鐓ф槑闋�(l菒ng)鍩熴€�

鎳�(y墨ng)鐢�

LT3755 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅鍫存櫙锛�
銆€銆€1. 姹借粖鐓ф槑锛氬鍓嶇収鐕�銆佸墡杌婄噲銆侀湩鐕堢瓑銆�
銆€銆€2. 宸ユキ(y猫)鐓ф槑锛氬寘鎷(j墨)鍣ㄨ瑕虹郴绲�(t菕ng)銆佷俊铏熺噲鍙婃(bi膩o)蹇楃墝鐓ф槑銆�
銆€銆€3. 寤虹瓚鑸囨櫙瑙€鐓ф槑锛氬澶栧⒒杓粨鐕堛€佽椋剧噲涓茬瓑銆�
銆€銆€4. 楂樹寒搴� LED 椹�(q奴)鍕曪細閬╃敤浜� LCD 鑳屽厜浠ュ強鍏朵粬闇€瑕佺簿纰洪浕娴佽(di脿o)绡€(ji茅)鐨勫牬鍚堛€�