UC3841 鏅傞枔锛�2025/5/29 9:38:29 闁辫畝锛�15

UC3841鏄竴娆剧敱Unitrode锛堢従(xi脿n)宸茶TI鏀惰臣锛夎ō(sh猫)瑷堢殑闆绘祦妯″紡PWM鎺у埗鍣�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒浠ュ強鍏朵粬鍔熺巼璁婃彌闆昏矾涓�銆傚叾鐗归粸鏄叿鏈夐珮绮惧害鐨勮宸斁澶у櫒鍜屽彲瑾�(di脿o)鐨勬尟钑╅牷鐜�锛岃兘澶�?q奴)宕縁(xi脿n)楂樻晥銆佺┅(w臎n)瀹氱殑闆诲瑾�(di脿o)绡€(ji茅)鍔熻兘銆�
銆€銆€瑭茶姱鐗囬噰鐢�8寮曡叧DIP鎴朣OIC灏佽褰㈠紡锛屽収(n猫i)閮ㄩ泦鎴愪簡澶氱ó淇濊姗熷埗锛屽閬庢祦淇濊銆佹瑺澹撻帠瀹氱瓑锛屼互纰轰繚绯荤当(t菕ng)鐨勫彲闈犻亱琛�銆傚悓鏅�锛屽畠鏀寔澶栭儴瑁滃劅缍�(w菐ng)绲�(lu貌)鐨勮ō(sh猫)瑷�锛屽緸鑰屾彁楂樹簡绯荤当(t菕ng)瑷�(sh猫)瑷堢殑闈堟椿鎬�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲鑼冨湇锛�7V~36V
銆€銆€鍟熷嫊闆绘祦锛氬皬浜�2mA
銆€銆€鍩烘簴闆诲锛�5V卤1%
銆€銆€鎸暕鍣ㄩ牷鐜囪寖鍦嶏細100kHz~500kHz
銆€銆€椹�(q奴)鍕曡兘鍔涳細宄板€艰几鍑洪浕娴佺偤400mA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40鈩儈+125鈩�
銆€銆€灏佽褰㈠紡锛欴IP-8/SOIC-8

鐗规€�

UC3841鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆€銆€1. 闆绘祦妯″紡鎺у埗锛氶€氶亷妾㈡脯闆绘劅闆绘祦娉㈠舰閫茶閫愬懆鏈熼檺娴佹帶鍒�锛屾彁楂樺嫊鎱�(t脿i)闊挎噳(y墨ng)閫熷害骞剁啊鍖栫挵(hu谩n)璺鍎熻ō(sh猫)瑷堛€�
銆€銆€2. 鍏�(n猫i)缃宸斁澶у櫒锛氭彁渚涢珮澧炵泭鍜屽付瀵殑瑾ゅ樊鏀惧ぇ鍣�锛岀敤浜庣簿纰哄湴瑾�(di脿o)绡€(ji茅)杓稿嚭闆诲銆�
銆€銆€3. 鍙法绋嬮枊闂�(gu膩n)闋荤巼锛氬厑瑷辩敤鎴舵牴鎿�(j霉)瀵﹂殯闇€姹傝(di脿o)鏁存尟钑╁櫒闋荤巼锛屽緸鑰屽劒(y艒u)鍖栨晥鐜囪垏闆荤骞叉摼鎬ц兘銆�
銆€銆€4. 鐔遍棞(gu膩n)鏂蜂繚璀凤細鐣惰姱鐗囨韩搴﹁秴閬庨爯(y霉)瑷�(sh猫)鍊兼檪鑷嫊闂�(gu膩n)闁夎几鍑�锛岄槻姝㈠洜閬庣啽灏庤嚧?li谩n)p澹�銆�
銆€銆€5. 娆犲闁夐帠鍔熻兘锛氬湪杓稿叆闆诲浣庝簬瑷�(sh猫)瀹氶柧鍊兼檪鍋滄宸ヤ綔锛岄伩鍏嶄綆澹撴浠朵笅鍙兘寮曠櫦(f膩)鐨勫晱椤屻€�
銆€銆€6. 绨″寲鐨勫鍦嶅厓浠堕厤缃細鍙渶灏戦噺澶栭儴绲勪欢鍗冲彲妲�(g貌u)寤哄畬鏁存帶鍒剁郴绲�(t菕ng)锛岄檷浣庝簡鎴愭湰鍜屽京闆滃害銆�

鎳�(y墨ng)鐢�

UC3841閬╃敤浜庡悇绋渶瑕侀珮鎬ц兘鍔熺巼杞�(zhu菐n)鎻涚殑鎳�(y墨ng)鐢ㄥ牬鏅�锛屽叿楂斿寘鎷絾涓嶉檺浜庯細
銆€銆€1. 闁嬮棞(gu膩n)闆绘簮锛圫MPS锛夎ō(sh猫)瑷堬紝濡傞仼閰嶅櫒銆佸厖闆诲櫒绛�銆�
銆€銆€2. DC-DC杞�(zhu菐n)鎻涘櫒锛屽彲鐢ㄤ簬閫氫俊瑷�(sh猫)鍌欍€佸伐妤�(y猫)鑷嫊鍖栧強娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勯浕澹撹綁(zhu菐n)鎻�銆�
銆€銆€3. LED椹�(q奴)鍕曢浕璺紝鎻愪緵鎭掑畾闆绘祦杓稿嚭浠ヤ繚璀塋ED浜害涓€鑷存€�銆�
銆€銆€4. 鍏呴浕鍣ㄧ鐞嗙郴绲�(t菕ng)锛屽鐝�(xi脿n)闆绘睜鍏呮斁闆婚亷绋嬩腑鐨勭簿婧栨帶鍒�銆�
銆€銆€5. 鍏朵粬涓皬鍔熺巼闆诲姏闆诲瓙璁婃彌瑁濈疆銆�