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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > RT7739DGE

RT7739DGE 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/30 14:01:50 鏌ョ湅 闁辫畝锛�29

RT7739DGE鏄敱Richtek锛堢珛閷＄鎶�锛夋帹鍑虹殑涓�娆鹃珮鏁堣兘鍚屾闄嶅杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖閲囩敤鍥哄畾闋荤巼闆绘祦妯″紡PWM鎺у埗鏋舵(g貌u)锛屾敮鎸侀珮閬�(d谩)40V鐨勮几鍏ラ浕澹撹寖鍦嶏紝骞跺叿鏈夊挤(qi谩ng)澶х殑杓稿嚭闆绘祦鑳藉姏锛岄仼鍚堝绋伐妤�(y猫)鍜屾秷璨�(f猫i)椤炴噳(y墨ng)鐢ㄣ�傚叾鍏�(n猫i)缃珮浣庨倞MOSFET鑳藉鏈夋晥闄嶄綆鍔熻�楀苟鎻愬崌鏁堢巼銆傛澶栵紝RT7739DGE閭勫叿鍌欏叏闈㈢殑淇濊(h霉)鍔熻兘锛屽寘鎷亷(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)浠ュ強閬�(gu貌)婧棞(gu膩n)鏂蜂繚璀�(h霉)绛夌壒鎬�銆�
銆�銆�閫欐鑺墖闈炲父閬╁悎鐢ㄤ簬姹借粖闆诲瓙銆佸伐妤�(y猫)瑷�(sh猫)鍌欍�侀�氫俊闆绘簮鍙婁究鏀滃紡瑷�(sh猫)鍌欑瓑闋�(l菒ng)鍩�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V~40V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V~18V
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�200kHz~1MHz锛堝彲瑾�(di脿o)锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈125鈩�
銆�銆�灏佽褰㈠紡锛歋OIC-8
銆�銆�鏈�澶ц几鍑洪浕娴侊細3A
銆�銆�寰呮(j墨)闆绘祦锛�1渭A
銆�銆�鏁堢巼锛堝吀鍨嬪�硷級锛�95%
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛�25渭A

鐗规��

RT7739DGE鏄竴娆鹃珮闆嗘垚搴︾殑鍚屾闄嶅DC-DC杞�(zhu菐n)鎻涘櫒锛屼富瑕佺壒鎬у涓嬶細
銆�銆�1. 鍥哄畾闋荤巼PWM鎺у埗纰轰繚绌�(w臎n)瀹氱殑杓稿嚭鎬ц兘銆�
銆�銆�2. 鍏�(n猫i)缃珮浣庨倞鍔熺巼MOSFET浠ユ笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟鎻愰珮鏁撮珨鏁堢巼銆�
銆�銆�3. 鏀寔瀵硾鐨勮几鍏ラ浕澹撹寖鍦�锛岄仼鐢ㄤ簬澶氬牬(ch菐ng)鏅緵闆婚渶姹�銆�
銆�銆�4. 杓稿嚭闆诲鍙�氶亷(gu貌)澶栨帴闆婚樆鍒嗗鍣ㄩ潏娲昏(di脿o)绡�(ji茅)銆�
銆�銆�5. 鎻愪緵鍏ㄩ潰鐨勪繚璀�(h霉)姗�(j墨)鍒�锛屽閬�(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)銆佺啽闂�(gu膩n)鏂蜂繚璀�(h霉)绛夊姛鑳�銆�
銆�銆�6. 寰呮(j墨)鍔熻�楁サ浣�锛屾豢瓒崇瘈(ji茅)鑳借ō(sh猫)瑷�(j矛)闇�姹傘��
銆�銆�7. 灏佽灏忓阀绶婃箠锛屼究浜嶱CB甯冨眬瑷�(sh猫)瑷�(j矛)銆�

鎳�(y墨ng)鐢�

RT7739DGE寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 姹借粖闆诲瓙绯荤当(t菕ng)锛屼緥濡傝粖杓夊厖闆诲櫒銆佸剙琛ㄧ洡闆绘簮绠＄悊銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勫偝鎰熷櫒渚涢浕鑸囨帴鍙ｉ浕璺�銆�
銆�銆�3. 閫氫俊瑷�(sh猫)鍌欑殑杓斿姪闆绘簮锛屽鍩虹珯鍌欑敤闆绘簮鎴栬矾鐢卞櫒渚涢浕妯″銆�
銆�銆�4. 鍚勯渚挎敎寮忛浕瀛愮敘(ch菐n)鍝�锛屽绉诲嫊(d貌ng)闆绘簮銆佹墜鎸佽ō(sh猫)鍌欑瓑銆�
銆�銆�5. LED椹�(q奴)鍕�(d貌ng)闆昏矾涓綔鐐烘亽娴佹簮浣跨敤銆�
銆�銆�6. 鍏朵粬闇�瑕侀珮鏁堢巼銆佸皬灏哄DC-DC杞�(zhu菐n)鎻涚殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�

鏇夸唬鍨嬭櫉(h脿o)

RT7739DG6, RT7739DGN

rt7739dge鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)