UC2845BNG 鏅�(sh铆)闁擄細2025/5/13 18:55:38 闁辫畝锛�31

UC2845BNG鏄竴娆剧敱Unitrode锛堢従(xi脿n)宸茶TI鏀惰臣(g貌u)锛夎ō(sh猫)瑷�(j矛)鐨勯珮鎬ц兘鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鍣ㄨ姱鐗囷紝寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮锛圫MPS锛夐牁(l菒ng)鍩�銆傝┎鑺墖閫氶亷鎻愪緵绮剧⒑鐨勫崰绌烘瘮鎺у埗鍜屽揩閫熺殑鐬厠(t脿i)闊挎噳(y墨ng)锛屽(sh铆)鐝�(xi脿n)浜嗛珮鏁堢殑鍔熺巼杞�(zhu菐n)鎻�銆俇C2845BNG閬╃敤浜庨渶瑕侀珮绮惧害闆诲瑾�(di脿o)绡€(ji茅)鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅�锛屼緥濡傞洟绶氬紡闁嬮棞(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒绛夈€傚畠鍏�(n猫i)缃簡澶氱ó淇濊(h霉)鍔熻兘锛屽閫愬懆鏈熼檺娴佷繚璀�(h霉)銆侀亷婧棞(gu膩n)鏂风瓑鍔熻兘锛屽緸鑰屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳€у拰绌�(w臎n)瀹氭€с€�
銆€銆€UC2845BNG閲囩敤浜�8寮曡叧DIP鎴朣OIC灏佽褰㈠紡锛屾柟渚块泦鎴愬埌鍚勭ó闆昏矾瑷�(sh猫)瑷�(j矛)涓�銆�

鍙冩暩(sh霉)

鍨嬭櫉(h脿o)锛歎C2845BNG
銆€銆€宸ヤ綔闆诲鑼冨湇锛�7V - 40V
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�100kHz - 400kHz
銆€銆€鏈€澶ч﹨(q奴)鍕�(d貌ng)闆绘祦锛�400mA
銆€銆€鏈€灏忓皫(d菐o)閫氭檪(sh铆)闁擄細1.2渭s
銆€銆€婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆€銆€灏佽椤炲瀷锛欴IP-8, SOIC-8

鐗规€�

UC2845BNG鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 鍏�(n猫i)缃尟钑╁櫒锛屾敮鎸佸彲瑾�(di脿o)闁嬮棞(gu膩n)闋荤巼鑼冨湇寰�100kHz鍒�400kHz锛屾豢瓒充笉鍚屾噳(y墨ng)鐢ㄩ渶姹傘€�
銆€銆€2. 楂樼簿搴﹁宸斁澶у櫒锛屾彁渚涙洿濂界殑绌�(w臎n)澹撴€ц兘銆�
銆€銆€3. 闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屽叿鍌欏揩閫熺殑璨�(f霉)杓夌灛鎱�(t脿i)闊挎噳(y墨ng)鑳藉姏銆�
銆€銆€4. 鏀寔閫愬懆鏈熼檺娴佷繚璀�(h霉)锛岄槻姝㈣几鍑虹煭璺垨閬庤級灏�(du矛)绯荤当(t菕ng)閫犳垚鎼嶅銆�
銆€銆€5. 鎻愪緵杌熷暉鍕�(d貌ng)鍔熻兘锛屾湁鏁堥檷浣庡暉鍕�(d貌ng)鏅�(sh铆)鐨勬矕鎿婇浕娴�銆�
銆€銆€6. 鍏锋湁閬庣啽淇濊(h霉)鍔熻兘锛岀暥(d膩ng)鑺墖婧害閬庨珮鏅�(sh铆)鑷嫊(d貌ng)闂�(gu膩n)闁夎几鍑�锛岀⒑淇濊ō(sh猫)鍌欏畨鍏ㄩ亱(y霉n)琛屻€�
銆€銆€7. 鍏�(n猫i)缃珮浣庡伌(c猫)椹�(q奴)鍕�(d貌ng)鍣�锛岃兘澶犵洿鎺ラ﹨(q奴)鍕�(d貌ng)MOSFET鎴栭洐妤靛瀷鏅堕珨绠�銆�
銆€銆€8. 灏佽绶婃箠锛岄仼鍚堢┖闁撳彈闄愮殑瑷�(sh猫)瑷�(j矛)鐠�(hu谩n)澧�銆�

鎳�(y墨ng)鐢�

UC2845BNG鐨勪富瑕佹噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅寘鎷細
銆€銆€1. 闆㈢窔寮忛枊闂�(gu膩n)闆绘簮瑷�(sh猫)瑷�(j矛)锛屽閬╅厤鍣�銆佸厖闆诲櫒绛�銆�
銆€銆€2. DC-DC杞�(zhu菐n)鎻涘櫒锛岀敤浜庨浕姹犱緵闆昏ō(sh猫)鍌欐垨宸ユキ(y猫)鎺у埗绯荤当(t菕ng)銆�
銆€銆€3. LED椹�(q奴)鍕�(d貌ng)闆绘簮锛岀壒鍒ユ槸鍦ㄩ渶瑕侀珮鏁堢巼鍜屾亽娴佽几鍑虹殑鎯呮硜涓�銆�
銆€銆€4. 閫氫俊闆绘簮妯″锛岀偤缍�(w菐ng)绲�(lu貌)瑷�(sh猫)鍌欐垨鍏朵粬閫氫俊纭欢渚涢浕銆�
銆€銆€5. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愰儴鍒嗭紝濡侾LC銆佽畩闋诲櫒绛�銆�
銆€銆€6. 閱�(y墨)鐧傞浕瀛愯ō(sh猫)鍌欎腑鐨勪綆鍣伈闆绘簮瑙ｆ焙鏂规銆�
銆€銆€鐢变簬鍏跺挤(qi谩ng)澶х殑鎬ц兘鍜屽彲闈犳€э紝UC2845BNG鎴愮偤鐪惧宸ョ▼甯湪涓皬鍔熺巼闆绘簮瑷�(sh猫)瑷�(j矛)涓殑棣栭伕鑺墖涔嬩竴銆�