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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 > SG2803J

SG2803J 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/27 9:34:43 鏌ョ湅 闁辫畝锛�41

SG2803J鏄竴绋珮鎬ц兘鐨勮剤瀵(di脿o)鍒�(PWM)鎺у埗鍣ㄨ姱鐗�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闁�(k膩i)闂�(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒鍜岄�嗚畩鍣ㄧ瓑闋�(l菒ng)鍩�銆傝┎鑺墖閫氶亷(gu貌)瑾�(di脿o)绡�(ji茅)鍗犵┖姣斾締(l谩i)鎺у埗杓稿嚭闆诲鎴栭浕娴�锛岀⒑淇濈郴绲�(t菕ng)鐨勭┅(w臎n)瀹氭�у拰鏁堢巼銆係G2803J閲囩敤鍥哄畾闋荤巼PWM鎺у埗鏂瑰紡锛屽叿鏈夎壇濂界殑璨�(f霉)杓夎(di脿o)鏁寸巼鍜岀窔鎬ц(di脿o)鏁寸巼銆�
銆�銆�瑭茶姱鐗囧収(n猫i)鍚尟钑╁櫒銆佽宸斁澶у櫒銆佹瘮杓冨櫒浠ュ強椹�(q奴)鍕�(d貌ng)闆昏矾绛夊姛鑳芥ā濉�锛岃兘澶犳湁鏁堟笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�锛屽緸鑰岄檷浣庣郴绲�(t菕ng)鎴愭湰骞舵彁楂樺彲闈犳�с��

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�10V~40V
銆�銆�闁�(k膩i)闂�(gu膩n)闋荤巼锛�50kHz~400kHz
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氣墹10渭A
銆�銆�闈滄厠(t脿i)闆绘祦锛氣墹5mA
銆�銆�淇濊(h霉)鍔熻兘锛氶亷(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)
銆�銆�灏佽褰㈠紡锛欴IP-8/SOP-8

鐗规��

SG2803J鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍥哄畾闋荤巼PWM鎺у埗锛屾彁渚涢珮绮惧害鐨勮几鍑鸿(di脿o)绡�(ji茅)銆�
銆�銆�2. 鍏�(n猫i)缃尟钑╁櫒锛屾敮鎸佸鑼冨湇鐨勯枊(k膩i)闂�(gu膩n)闋荤巼瑷�(sh猫)缃�銆�
銆�銆�3. 楂樻晥鐨勯﹨(q奴)鍕�(d貌ng)鑳藉姏锛岄仼鐢ㄤ簬澶氱ó鍔熺巼绱�(j铆)鎳�(y墨ng)鐢�銆�
銆�銆�4. 鍏�(n猫i)閮ㄩ泦鎴愯粺鍟熷嫊(d貌ng)鍔熻兘锛岄伩鍏嶅暉鍕�(d貌ng)鏅�(sh铆)鐢�(ch菐n)鐢熼亷(gu貌)澶ф矕鎿婇浕娴�銆�
銆�銆�5. 鍏锋湁閬�(gu貌)娴佷繚璀�(h霉)鍜岀煭璺繚璀�(h霉)鍔熻兘锛屾彁鍗囩郴绲�(t菕ng)鐨勫畨鍏ㄦ�у拰绌�(w臎n)瀹氭��銆�
銆�銆�6. 灏佽灏忓阀锛屼究浜嶱CB甯冨眬瑷�(sh猫)瑷�(j矛)銆�
銆�銆�7. 宸ヤ綔婧害鑼冨湇寤�(-40鈩冭嚦+125鈩�)锛岄仼鎳�(y墨ng)鍚勭ó鎯″姡鐠�(hu谩n)澧冦��

鎳�(y墨ng)鐢�

SG2803J涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 闁�(k膩i)闂�(gu膩n)闆绘簮(SMPS)瑷�(sh猫)瑷�(j矛)锛岀敤浜庣瓎瑷樻湰闆昏叇閬╅厤鍣ㄣ�丩ED椹�(q奴)鍕�(d貌ng)闆绘簮绛�銆�
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛岀偤宓屽叆寮忕郴绲�(t菕ng)鎻愪緵绌�(w臎n)瀹氱殑鐩存祦闆诲杓稿嚭銆�
銆�銆�3. 閫嗚畩鍣ㄩ浕璺�锛屽皣鐩存祦闆昏綁(zhu菐n)鎻涚偤浜ゆ祦闆讳互渚涚壒瀹氳ō(sh猫)鍌欎娇鐢�銆�
銆�銆�4. 鍏呴浕鍣ㄨō(sh猫)瑷�(j矛)锛屽鎵嬫(j墨)蹇�熷厖闆诲櫒銆侀浕鍕�(d貌ng)杌婇浕姹犲厖闆诲櫒绛�銆�
銆�銆�5. 鍚勯宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯浕婧愮鐞嗘ā濉娿��
銆�銆�鐢变簬鍏堕珮鏁堣兘鍜屽彲闈犳��锛孲G2803J鎴愮偤瑷卞涓綆鍔熺巼鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆�

鏇夸唬鍨嬭櫉(h脿o)

SG2803S, UC3803, TL494

sg2803j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)

sg2803j璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

sg2803j鍙冩暩(sh霉)

  • 鐝�(xi脿n)鏈夋暩(sh霉)閲�0鐝�(xi脿n)璨�
  • 鍍�(ji脿)鏍�鍦ㄥ敭
  • 绯诲垪-
  • 鍖呰鎵樼洡
  • 鐢�(ch菐n)鍝佺媭鎱�(t脿i)鍦ㄥ敭
  • 鏅堕珨绠￠鍨�8 NPN 閬�(d谩)鏋楅爴
  • 闆绘祦 - 闆嗛浕妤� (Ic)锛堟渶澶у�硷級500mA
  • 闆诲 - 闆嗗皠妤垫搳绌匡紙鏈�澶у�硷級50V
  • 涓嶅悓?Ib銆両c 鏅�(sh铆)?Vce 椋藉拰澹撻檷锛堟渶澶у�硷級1.6V @ 500渭A锛�350mA
  • 闆绘祦 - 闆嗛浕妤垫埅姝紙鏈�澶у�硷級-
  • 涓嶅悓?Ic銆乂ce?鏅�(sh铆) DC 闆绘祦澧炵泭 (hFE)锛堟渶灏忓�硷級-
  • 鍔熺巼 - 鏈�澶у��-
  • 闋荤巼 - 韬嶉伔-
  • 宸ヤ綔婧害-55掳C ~ 125掳C锛圱A锛�
  • 瀹夎椤炲瀷閫氬瓟
  • 灏佽/澶栨18-CDIP锛�0.300"锛�7.62mm锛�
  • 渚涙噳(y墨ng)鍟嗗櫒浠跺皝瑁�18-CERDIP