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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 > UC1842A-SP

UC1842A-SP 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/6 19:05:05 鏌ョ湅 闁辫畝锛�25

UC1842A-SP鏄竴娆剧敱Unitrode鍏徃瑷�(sh猫)瑷�(j矛)鐨勯珮鎬ц兘闆绘祦妯″紡PWM鎺у埗鍣�锛屼富瑕佺敤浜庨枊(k膩i)闂�(gu膩n)闆绘簮銆丏C/DC杞�(zhu菐n)鎻涘櫒绛夐浕鍔涢浕瀛愭噳(y墨ng)鐢ㄤ腑銆傝┎鑺墖閫氶亷(gu貌)閲囩敤闆绘祦妯″紡鎺у埗鎶�琛�(sh霉)锛屽彲浠ュ(sh铆)鐝�(xi脿n)鏇村揩鐨勭灛鎱�(t脿i)闊挎噳(y墨ng)鍜屾洿绨�(ji菐n)鍠殑瑁�(b菙)鍎熺恫(w菐ng)绲�(lu貌)瑷�(sh猫)瑷�(j矛)锛屽悓鏅�(sh铆)鍏峰倷澶氱ó淇濊(h霉)鍔熻兘浠ョ⒑淇濈郴绲�(t菕ng)鐨勭┅(w臎n)瀹氭�у拰鍙潬鎬�銆�
銆�銆�UC1842A-SP閬╃敤浜庤姹傞珮鏁堢巼銆侀珮绮惧害浠ュ強鑹ソ鍕�(d貌ng)鎱�(t脿i)鎬ц兘鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅�傚叾鍏稿瀷鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅寘鎷殧闆㈠紡DC/DC杞�(zhu菐n)鎻涘櫒銆佸弽婵�寮忛浕婧�銆佹婵�寮忛浕婧愪互鍙婂叾浠栭鍨嬬殑鍔熺巼杞�(zhu菐n)鎻涢浕璺��

鍙冩暩(sh霉)

鍨嬭櫉(h脿o)锛歎C1842A-SP
銆�銆�宸ヤ綔闆诲鑼冨湇锛�7V鑷�40V
銆�銆�鏈�澶у崰绌烘瘮锛�50%
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細10kHz鑷�500kHz
銆�銆�鍩烘簴(zh菙n)闆诲锛�2.5V 卤1%
銆�銆�鍟熷嫊(d貌ng)闆绘祦锛氬皬浜�30渭A
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛氬嘲鍊奸浕娴伮�1.5A
銆�銆�婧害鑼冨湇锛�-40鈩冭嚦+125鈩�
銆�銆�灏佽褰㈠紡锛歅DIP-8, SOIC-8

鐗规��

UC1842A-SP鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 閲囩敤闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛岃兘澶犳彁渚涘揩閫熺殑璨�(f霉)杓夌灛鎱�(t脿i)闊挎噳(y墨ng)鍜岀啊(ji菐n)鍖栫殑瑷�(sh猫)瑷�(j矛)瑁�(b菙)鍎熼亷(gu貌)绋�銆�
銆�銆�2. 鍏�(n猫i)缃簿瀵嗗熀婧�(zh菙n)闆诲婧愶紙2.5V 卤1%锛夛紝纰轰繚浜嗛珮绮惧害鐨勬帶鍒舵�ц兘銆�
銆�銆�3. 鏀寔瀵寖鍦嶇殑鎸暕鍣ㄩ牷鐜囪(di脿o)绡�(ji茅)锛�10kHz鑷�500kHz锛�锛屾豢瓒充笉鍚屾噳(y墨ng)鐢ㄥ牬(ch菐ng)鍚堢殑闇�姹�銆�
銆�銆�4. 鎻愪緵鍙法绋嬭粺鍟熷嫊(d貌ng)鍔熻兘锛屾湁鏁堟笡灏忓暉鍕�(d貌ng)鏅�(sh铆)鐨勬矕鎿婇浕娴佸苟淇濊(h霉)闆昏矾鍏冧欢銆�
銆�銆�5. 鍏峰倷閫愬懆鏈熼浕娴侀檺鍒朵繚璀�(h霉)鍔熻兘锛屽寮�(qi谩ng)绯荤当(t菕ng)閬�(y霉n)琛岀殑瀹夊叏鎬�銆�
銆�銆�6. 闆嗘垚浜嗘瑺澹撻帠瀹氾紙UVLO锛夊姛鑳斤紝鍦ㄨ几鍏ラ浕澹撲綆浜庤ō(sh猫)瀹氬�兼檪(sh铆)闂�(gu膩n)闁夎几鍑�锛岄伩鍏嶇暟甯稿伐浣滅媭鎱�(t脿i)銆�
銆�銆�7. 杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏寮�(qi谩ng)锛屽嘲鍊奸浕娴佸彲閬�(d谩)卤1.5A锛岄仼鎳�(y墨ng)浜庨﹨(q奴)鍕�(d貌ng)鍚勯鍔熺巼闁�(k膩i)闂�(gu膩n)鍣ㄤ欢銆�
銆�銆�8. 宸ヤ綔婧害鑼冨湇瀵唬锛�-40鈩冭嚦+125鈩冿級锛岄仼鍚堝伐妤�(y猫)绱�(j铆)鍙婃儭鍔ｇ挵(hu谩n)澧冧笅鐨勬噳(y墨ng)鐢�銆�

鎳�(y墨ng)鐢�

UC1842A-SP寤ｆ硾鎳�(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)闆绘簮瑷�(sh猫)瑷�(j矛)锛屼緥濡侫C/DC閬╅厤鍣�銆佸厖闆诲櫒绛�銆�
銆�銆�2. 鍚勯DC/DC杞�(zhu菐n)鎻涘櫒锛屽寘鎷檷澹撱�佸崌澹�銆佸弽婵�鍜屾婵�鎷�?f霉)娴(ji茅)妲�(g貌u)銆�
銆�銆�3. 鍒嗗竷寮忛浕婧愮郴绲�(t菕ng)涓殑妯″鍖栭浕婧愬柈鍏冦��
銆�銆�4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯浕婧愪緵鎳�(y墨ng)閮ㄥ垎銆�
銆�銆�5. 閫氫俊瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愯ō(sh猫)瑷�(j矛)銆�
銆�銆�6. LED椹�(q奴)鍕�(d貌ng)闆绘簮鍜屽叾浠栭渶瑕佺簿纰洪浕澹撴垨闆绘祦鎺у埗鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�

鏇夸唬鍨嬭櫉(h脿o)

UC1842B-SP, UC1843A-SP, UC1843B-SP

uc1842a-sp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)

uc1842a-sp璩囨枡 鏇村>

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