鏅傞枔锛�2025/4/29 17:44:19
闁辫畝锛�22
LT3932 鏄竴娆剧敱 Analog Devices 鎻愪緵鐨勯洐杓稿嚭闄嶅鍨� DC/DC 杞夋彌鍣�锛屽皥鐐洪﹨鍕� LED 鑰岃ō瑷堛�傚畠鍏锋湁楂樻晥鐜囧拰闈堟椿鎬�锛岃兘澶犲悓鏅傞﹨鍕曞叐鍊嬬崹绔嬬殑 LED 涓叉垨骞惰伅(li谩n)閰嶇疆銆傝┎鑺墖闆嗘垚浜嗗叐鍊嬮枊闂滄櫠楂旂锛屽苟鏀寔鍙鐨勬亽瀹氶浕娴佽几鍑�锛岄潪甯搁仼鍚堟苯杌婄収鏄�銆佸伐妤�(y猫)鍜屽缓绛戠収鏄庢噳鐢ㄣ��
銆�銆�LT3932 鐨勫皝瑁濆舰寮忕偤 4mm x 5mm 鐨� 28 寮曡叧鑰愮啽澧炲挤鍨� TSSOP 灏佽锛圛UFD#TRPBF锛�锛屽叾寮曡叧甯冨眬缍撻亷鍎�(y艒u)鍖�锛屽彲浠ョ啊鍖� PCB 甯冨眬瑷▓銆�
杓稿叆闆诲鑼冨湇锛�4.5V 鑷� 60V
銆�銆�杓稿嚭闆绘祦锛氶珮閬� 1A锛堟瘡鍊嬮�氶亾锛�
銆�銆�闁嬮棞闋荤巼鑼冨湇锛�100kHz 鑷� 2MHz
銆�銆�鏈�澶у崰绌烘瘮锛�97%
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�28 寮曡叧 TSSOP (IUFD#TRPBF)
銆�銆�淇濊鍔熻兘锛氱煭璺繚璀�銆侀亷婧繚璀�
LT3932 鏀寔闆欒矾鐛ㄧ珛杓稿嚭鎺у埗锛屽厑瑷辩敤鎴堕潏娲婚厤缃� LED 椹呭嫊闆昏矾銆傚叾瀵几鍏ラ浕澹撹寖鍦嶄娇鍏堕仼鍚堝绋浕婧愮挵(hu谩n)澧�锛屽寘鎷苯杌婇浕姹犱緵闆荤郴绲�(t菕ng)銆�
銆�銆�鑺墖鍏х疆浜� PWM 瑾垮厜鍔熻兘锛屾敮鎸侀珮閬� 3kHz 鐨勮鍏夐牷鐜囷紝纰轰繚 LED 鍏夋簮鍦ㄤ笉鍚屼寒搴︿笅鐨勭┅(w臎n)瀹氶亱琛�銆�
銆�銆�姝ゅ锛孡T3932 閭勬彁渚涗簡绮炬簴鐨勯浕娴佽绡�(ji茅)鑳藉姏锛屽吀鍨嬭宸儏鐐� 卤3%锛屽緸鑰屼繚璀� LED 鐓ф槑鐨勪竴鑷存�у拰鍙潬鎬�銆�
銆�銆�鐢变簬鍏峰倷瀹屽杽鐨勪繚璀锋鍒�锛屼緥濡傜煭璺繚璀峰拰閬庢韩闂滄柗锛岃┎鍣ㄤ欢鑳藉鍦ㄦサ绔浠朵笅瀹夊叏閬嬭銆�
LT3932 涓昏鎳夌敤浜庢苯杌婂収澶栭儴鐓ф槑锛屽鏃ラ枔琛岃粖鐕� (DRL)銆佸熬鐕堛�佸墡杌婄噲绛�銆�
銆�銆�鍦ㄥ伐妤�(y猫)闋樺煙锛屽畠鍙互鐢ㄤ簬姗熷櫒瑕栬鐓ф槑銆佺媭鎱�(t脿i)鎸囩ず鐕堜互鍙婁俊铏熺噲绛夊牬鏅�銆�
銆�銆�鍚屾檪锛岃┎鑺墖涔熼仼鐢ㄤ簬寤虹瓚瑁濋＞鐓ф槑鍜屾櫙瑙�鐓ф槑绯荤当(t菕ng)锛屾彁渚涢珮鏁堜笖鍙潬鐨� LED 椹呭嫊瑙ｆ焙鏂规銆�
LT3965, LT3952
