UC1843A-SP 鏅�(sh铆)闁擄細2025/5/6 18:26:35 闁辫畝锛�28

UC1843A-SP鏄竴娆鹃珮鎬ц兘鐨勯浕娴佹ā寮廝WM鎺у埗鍣紝寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒绛夊牬鏅€傝┎鑺墖鍏锋湁楂樼簿搴﹁宸斁澶у櫒鍜屽ぇ闆绘祦鍦栭ò鏌辫几鍑洪﹨(q奴)鍕�(d貌ng)鍣�锛岃兘澶�?q奴)宕縁(xi脿n)蹇€熼熆鎳�(y墨ng)鍜岄珮鏁堟帶鍒�銆傛澶�锛孶C1843A-SP閭勯泦鎴愪簡澶氱ó淇濊(h霉)鍔熻兘锛屽閬庢祦淇濊(h霉)銆佹瑺澹撻帠瀹氱瓑鍔熻兘锛岀⒑淇濈郴绲�(t菕ng)鍦ㄥ悇绋伐娉佷笅绌�(w臎n)瀹氶亱(y霉n)琛�銆�
銆€銆€UC1843A-SP閲囩敤8寮曡叧SOIC灏佽锛岄仼鍚堢穵婀婂瀷瑷�(sh猫)瑷�(j矛)闇€姹�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�8V~36V
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�20kHz~500kHz
銆€銆€鍙冭€冮浕澹擄細5.0V卤1%
銆€銆€杓稿叆鍋忕疆闆绘祦锛氣墹1渭A
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1mA
銆€銆€闈滄厠(t脿i)宸ヤ綔闆绘祦锛氣墹15mA

鐗规€�

UC1843A-SP鏄竴绋熀浜庨浕娴佹ā寮忔帶鍒剁殑PWM鎺у埗鍣�锛屽叾涓昏鐗规€у寘鎷細
銆€銆€1. 楂橀€熻宸斁澶у櫒锛屽付瀵珮閬�(d谩)1MHz锛屽彲浠ユ彁渚涘揩閫熺灛鎱�(t脿i)闊挎噳(y墨ng)銆�
銆€銆€2. 鍏�(n猫i)閮ㄩ泦鎴�5V鍩烘簴(zh菙n)闆诲婧�锛岀┅(w臎n)瀹氭€уソ锛屾韩搴︽紓绉诲皬銆�
銆€銆€3. 鏀寔鍙法绋嬫尟钑╁櫒锛岀敤鎴跺彲浠ラ€氶亷澶栭儴闆婚樆瑾�(di脿o)鏁撮枊闂�(gu膩n)闋荤巼锛岄潏娲绘€у挤(qi谩ng)銆�
銆€銆€4. 鎻愪緵閫愬懆鏈熼浕娴侀檺鍒跺姛鑳斤紝闃叉鍥犺矤(f霉)杓夌獊璁婂皫(d菐o)鑷寸殑鎼嶅銆�
銆€銆€5. 鍏锋湁杌熷暉鍕�(d貌ng)鍔熻兘锛岄檷浣庝笂闆荤灛闁撳皪(du矛)绯荤当(t菕ng)鐨勬矕鎿�銆�
銆€銆€6. 闆嗘垚娆犲閹栧畾锛圲VLO锛夊姛鑳�锛岀暥(d膩ng)渚涢浕闆诲浣庝簬瑷�(sh猫)瀹氬€兼檪(sh铆)鑷嫊(d貌ng)闂�(gu膩n)闁夎几鍑轰互淇濊(h霉)闆昏矾銆�
銆€銆€7. 澶ч浕娴佸湒楱版煴杓稿嚭绲�(ji茅)妲�(g貌u)锛屾敮鎸侀珮閬�(d谩)1A鐨勫嘲鍊奸﹨(q奴)鍕�(d貌ng)鑳藉姏锛岄仼鎳�(y墨ng)澶氱ó鍔熺巼MOSFET椹�(q奴)鍕�(d貌ng)闇€姹傘€�

鎳�(y墨ng)鐢�

UC1843A-SP閬╃敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆€銆€1. 闁嬮棞(gu膩n)闆绘簮閬╅厤鍣ㄨō(sh猫)瑷�(j矛)锛屾彁渚涢珮鏁堢殑闆诲杞�(zhu菐n)鎻涖€�
銆€銆€2. 闆绘睜鍏呴浕鍣ㄥ強绠＄悊绯荤当(t菕ng)涓殑DC-DC璁婃彌閮ㄥ垎銆�
銆€銆€3. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆€銆€4. LED椹�(q奴)鍕�(d貌ng)鍣ㄤ腑浣滅偤鏍稿績鎺у埗鍠厓銆�
銆€銆€5. 鍚勯閫氫俊瑷�(sh猫)鍌欎腑鐨勯浕婧愯В姹烘柟妗�銆�
銆€銆€6. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪綆鍔熻€楅浕婧愯ō(sh猫)瑷�(j矛)銆�