鏅傞枔锛�2025/5/23 20:05:45
闁辫畝锛�17
UC3842BNG鏄竴娆鹃珮鎬ц兘鐨勯浕娴佹ā寮廝WM鎺у埗鍣ㄨ姱鐗囷紝寤ｆ硾鎳夌敤浜庨枊闂�(gu膩n)闆绘簮锛圫MPS锛�銆佺洿娴�-鐩存祦杞�(zhu菐n)鎻涘櫒鍜岄�嗚畩鍣ㄧ瓑鍫存櫙銆傝┎鑺墖闆嗘垚浜嗗绋姛鑳�锛屽寘鎷宸斁澶у櫒銆佹尟钑╁櫒銆丳WM鐧�(f膩)鐢熷櫒浠ュ強閬庢祦淇濊闆昏矾锛岃兘澶�?q奴)宕縁(xi脿n)楂樼簿搴︾殑闆诲瑾�(di脿o)绡�(ji茅)鍜岄珮鏁堢殑鍔熺巼杞�(zhu菐n)鎻�銆�
銆�銆�UC3842BNG灞簬UC3842绯诲垪鐨勪竴绋皝瑁濆舰寮�锛岄噰鐢�8鑵砈OIC灏佽锛岄仼鍚堢穵婀婂瀷瑷�(sh猫)瑷堥渶姹�銆�
鍨嬭櫉锛歎C3842BNG
銆�銆�灏佽褰㈠紡锛歋OIC-8
銆�銆�宸ヤ綔闆诲鑼冨湇锛�8V - 40V
銆�銆�鍟熷嫊闆绘祦锛�1mA
銆�銆�宄板�奸﹨(q奴)鍕曢浕娴侊細400mA
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細100kHz - 500kHz
銆�銆�杓稿嚭闆诲瑾ゅ樊鏀惧ぇ澧炵泭锛�100dB
銆�銆�鏈�灏忓崰绌烘瘮锛�0.2
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆�銆�闈滄厠(t脿i)闆绘祦锛�15mA
UC3842BNG鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 鍏�(n猫i)缃簿纰虹殑闆绘祦妾㈡脯姣旇純鍣�锛岀敤浜庡鐝�(xi脿n)闆绘祦妯″紡鎺у埗锛屽緸鑰屾彁楂樼郴绲�(t菕ng)鐨勭┅(w臎n)瀹氭�у拰鍕曟厠(t脿i)闊挎噳閫熷害銆�
銆�銆�2. 闆嗘垚鐨凱WM閹栧瓨鍣ㄥ拰瑾ゅ樊鏀惧ぇ鍣ㄧ啊鍖栦簡澶栭儴鍏冧欢鐨勯渶姹傦紝闄嶄綆浜嗘暣楂旇ō(sh猫)瑷堝京闆滃害銆�
銆�銆�3. 鏀寔鍙(di脿o)鐨勫伐浣滈牷鐜�锛屽厑瑷辩敤鎴舵牴鎿�(j霉)鍏烽珨鎳夌敤閬告搰鍚堥仼鐨勯枊闂�(gu膩n)闋荤巼锛屽劒(y艒u)鍖栨晥鐜囧拰闆荤骞叉摼锛圗MI锛夋�ц兘銆�
銆�銆�4. 鎻愪緵瀹屽杽鐨勪繚璀峰姛鑳斤紝濡傛瑺澹撻帠瀹氾紙UVLO锛�銆侀亷娴佷繚璀凤紙OCP锛夊拰鐔遍棞(gu膩n)鏂凤紙TSD锛夛紝纰轰繚绯荤当(t菕ng)鍦ㄧ暟甯告儏娉佷笅鐨勫畨鍏ㄩ亱琛�銆�
銆�銆�5. 鑺墖鍏锋湁浣庡姛鑰楀緟姗熸ā寮�锛屾湁鍔╀簬闄嶄綆鑳借�楀苟寤堕暦瑷�(sh猫)鍌欎娇鐢ㄥ＝鍛�銆�
銆�銆�6. 閬╃敤浜庡悇绋嫇鎾茬祼(ji茅)妲�(g貌u)锛屼緥濡傞檷澹擄紙Buck锛�銆佸崌澹擄紙Boost锛�銆佸弽婵�锛團lyback锛夊拰姝ｆ縺锛團orward锛夎畩鎻涘櫒銆�
UC3842BNG閬╃敤浜庝互涓嬫噳鐢ㄥ牬鏅細
銆�銆�1. 闁嬮棞(gu膩n)闆绘簮锛圫MPS锛夎ō(sh猫)瑷堬紝鐢ㄤ簬娑堣不椤為浕瀛愮敘(ch菐n)鍝�銆佸伐妤�(y猫)瑷�(sh猫)鍌欏拰閫氫俊瑷�(sh猫)鍌�銆�
銆�銆�2. LED椹�(q奴)鍕曢浕婧�锛屾彁渚涙亽瀹氶浕娴佽几鍑轰互淇濊瓑LED浜害涓�鑷存��銆�
銆�銆�3. 闆绘睜鍏呴浕鍣�锛屾敮鎸佸绋浕姹犻鍨嬪拰鍏呴浕鍗�(xi茅)璀�銆�
銆�銆�4. 鐩存祦-鐩存祦杞�(zhu菐n)鎻涘櫒锛岀敤浜庡皣涓�鍊嬪浐瀹氶浕澹撹綁(zhu菐n)鎻涚偤鍙︿竴鍊嬪浐瀹氭垨鍙(di脿o)闆诲銆�
銆�銆�5. 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椹�(q奴)鍕曢浕姗熸垨鍏朵粬浜ゆ祦璨犺級銆�
銆�銆�6. 鍏朵粬闇�瑕侀珮鏁堝姛鐜囪綁(zhu菐n)鎻涚殑鎳夌敤锛屼緥濡傞啱(y墨)鐧傝ō(sh猫)鍌�銆佸畨闃茬洠(ji膩n)鎺х郴绲�(t菕ng)绛夈��
UC3842BNP, UC3842DG, UC3842DNG
