鏅傞枔锛�2025/5/19 13:49:32
闁辫畝锛�13
MAX8627鏄竴娆鹃珮鏁堢殑鍚屾闄嶅鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒锛岄噰鐢ㄥ浐瀹氶牷鐜囬浕娴佹ā寮廝WM鏋舵銆傝┎鍣ㄤ欢鍏�(n猫i)缃簡浣庡皫閫氶浕闃荤殑MOSFET闁嬮棞锛岃兘澶犳彁渚涢珮閬�3A鐨勯�ｇ簩(x霉)杓稿嚭闆绘祦銆侻AX8627閬╃敤浜庨渶瑕侀珮鏁堢巼鍜屽皬灏哄瑙ｆ焙鏂规鐨勬噳鐢ㄥ牬鏅�銆�
銆�銆�MAX8627鏀寔杓冨鐨勮几鍏ラ浕澹撹寖鍦�锛屽苟涓斿叿鍌欏揩閫熺灛鎱�(t脿i)闊挎噳鐗规��锛屽彲浠ョ偤澶氱ó璨犺級鎻愪緵绌�(w臎n)瀹氱殑闆绘簮渚涙噳銆傛澶�锛屽畠閭勯泦鎴愪簡澶氱ó淇濊鍔熻兘锛屽寘鎷亷娴佷繚璀�銆佺煭璺繚璀蜂互鍙婇亷婧棞鏂风瓑鍔熻兘銆�
杓稿叆闆诲鑼冨湇锛�4.5V鑷�18V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.9V鑷宠几鍏ラ浕澹�
銆�銆�鏈�澶ц几鍑洪浕娴侊細3A
銆�銆�闁嬮棞闋荤巼锛�550kHz
銆�銆�宸ヤ綔鏁堢巼锛氶珮閬�95%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C鑷�+85掳C
銆�銆�灏佽椤炲瀷锛歍DFN-10(3mm x 3mm)
MAX8627鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏�(n猫i)缃悓姝ユ暣娴丮OSFET锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟鎻愰珮鏁堢巼銆�
銆�銆�2. 鍥哄畾550kHz闁嬮棞闋荤巼锛屽厑瑷变娇鐢ㄥ皬鍨嬮浕鎰熷拰闆诲銆�
銆�銆�3. 浣庣磱娉㈣剤瀵(di脿o)鍒�(PWM)妯″紡锛屽湪杓曡級姊濅欢涓嬭嚜鍕曞垏鎻涘埌鐪侀浕妯″紡(PFM)锛屼互淇濇寔楂樻晥鐜�銆�
銆�銆�4. 鎻愪緵绮炬簴鐨勪娇鑳芥帶鍒跺紩鑵筹紝鏀寔鑺墖鐨勫揩閫熷暉鍕曡垏闂滄柗銆�
銆�銆�5. 鐔� shutdown 鍜岄檺娴佷繚璀风⒑淇濆湪鐣板父鎯呮硜涓嬩笉鏈冩悕澹炶姱鐗囨垨绯荤当(t菕ng)銆�
銆�銆�6. 杓稿嚭闆诲鍙�氶亷澶栭儴闆婚樆鍒嗗鍣ㄩ�茶瑾�(di脿o)绡�(ji茅)锛岄潏娲绘�ч珮銆�
MAX8627寤ｆ硾鎳夌敤浜庝究鏀滃紡瑷倷鍜屽叾浠栭渶瑕侀珮鏁堥浕婧愮鐞嗙殑鍫村悎锛屽叿楂旀噳鐢ㄥ寘鎷細
銆�銆�1. 渚挎敎寮忓剙鍣ㄥ剙琛�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勫瓙绯荤当(t菕ng)渚涢浕銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屼緥濡傜Щ鍕曢浕瑭卞厖闆诲櫒銆佸钩鏉块浕鑵﹂厤浠剁瓑銆�
銆�銆�4. 缍�(w菐ng)绲￠�氫俊瑷倷鍏�(n猫i)閮ㄧ殑妯″鍖栭浕婧�銆�
銆�銆�5. 闆绘睜渚涢浕鍨嬬敘(ch菐n)鍝�锛屽鎵嬫寔鎺冩弿鍎�鎴朠OS姗熺祩绔�銆�
MAX8626, MAX8628
