鏅傞枔锛�2025/5/6 14:07:21
闁辫畝锛�28
UCC28811鏄痉宸炲剙鍣紙TI锛夋帹鍑虹殑涓�娆鹃珮鎬ц兘銆侀珮闆嗘垚搴︾殑闆㈢窔寮廝WM鎺у埗鍣ㄨ姱鐗�锛屼富瑕佹噳鐢ㄤ簬鍙嶆縺寮忛枊闂滈浕婧愶紙Flyback Converter锛�銆傝┎鑺墖閫氶亷鍎�(y艒u)鍖栫殑鎺у埗绠楁硶鍜屼繚璀峰姛鑳斤紝鑳藉椤憲鎻愬崌闆绘簮绯荤当(t菕ng)鐨勬晥鐜囧拰鍙潬鎬�銆�
銆�銆�UCC28811閲囩敤闆绘祦妯″紡鎺у埗鏂瑰紡锛屽苟闆嗘垚浜嗗绋繚璀风壒鎬�锛屼緥濡傞亷娴佷繚璀�銆侀亷澹撲繚璀�銆佺煭璺繚璀风瓑銆傚叾瑷▓鐩鏄啊鍖栫郴绲�(t菕ng)瑷▓娴佺▼锛屽悓鏅傛彁渚涢珮鎬у児姣旂殑瑙ｆ焙鏂规銆傛澶�锛屽畠閭勬敮鎸侀牷鐜囪鍒朵互闄嶄綆EMI杓诲皠锛屽苟涓斿叿鏈夋サ浣庣殑寰呮鍔熻�椼��
宸ヤ綔闆诲鑼冨湇锛�9V鑷�100V
銆�銆�鏈�澶у崰绌烘瘮锛�96%
銆�銆�鎸暕鍣ㄩ牷鐜囷細35kHz鑷�450kHz鍙
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�20渭A
銆�銆�宄板�奸浕娴佹娓杸闄愶細220mV
銆�銆�鏈�灏忛棞鏂锋檪闁擄細750ns
銆�銆�灏佽褰㈠紡锛歋OIC-8
UCC28811鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 閲囩敤闆绘祦妯″紡鎺у埗锛屽鐝惧揩閫熷嫊鎱�(t脿i)闊挎噳鍜岀啊鍠挵(hu谩n)璺鍎熴��
銆�銆�2. 鍏х疆鏂滃潯瑁滃劅鍔熻兘锛岀⒑淇濆湪楂樺崰绌烘瘮姊濅欢涓嬬┅(w臎n)瀹氶亱琛屻��
銆�銆�3. 鏀寔闋荤巼瑾垮埗锛團requency Foldback锛�锛屽緸鑰屾湁鏁堥檷浣庨枊闂滃櫔鑱插拰EMI鍟忛銆�
銆�銆�4. 鍏锋湁鍏ㄩ潰鐨勪繚璀锋鍒讹紝鍖呮嫭閫愬懆鏈熼亷娴佷繚璀凤紙OCP锛�銆侀亷杓変繚璀凤紙OLP锛夈�侀亷婧繚璀凤紙OTP锛変互鍙婅几鍏ユ瑺澹撻帠瀹氾紙UVLO锛�銆�
銆�銆�5. 鎻愪緵绮剧⒑鐨勪娇鑳藉紩鑵筹紙EN/UVLO锛�锛岀敤浜庡鐝鹃潏娲荤殑绯荤当(t菕ng)鎺у埗銆�
銆�銆�6. 闆嗘垚鐨勮粺鍟熷嫊鍔熻兘鍙伩鍏嶅暉鍕曟檪鐨勯浕娴佹矕鎿娿��
銆�銆�7. 寰呮鍔熻�楁サ浣�锛岄潪甯搁仼鍚堥渶瑕佹豢瓒宠兘鏁堟婧栫殑鎳夌敤鍫存櫙銆�
銆�銆�8. 灏佽绶婃箠锛屾槗浜庣剨鎺ュ拰浣跨敤锛岄仼鐢ㄤ簬灏忓昂瀵搁浕婧愯ō瑷堛��
UCC28811寤ｆ硾鎳夌敤浜庡悇椤炴秷璨婚浕瀛愬拰宸ユキ(y猫)瑷倷涓殑閬╅厤鍣ㄥ拰鍏呴浕鍣ㄨō瑷�锛屽叿楂斿寘鎷細
銆�銆�1. 鎵嬫鍙婂钩鏉块浕鑵﹀厖闆诲櫒銆�
銆�銆�2. 绛嗚鏈浕鑵﹂仼閰嶅櫒銆�
銆�銆�3. LED椹呭嫊闆绘簮銆�
銆�銆�4. 闆昏鍙婂叾浠栧闆荤敘鍝佺殑杓斿姪闆绘簮妯″銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欑殑灏忓姛鐜囬浕婧愬柈鍏�銆�
銆�銆�6. 閱�(y墨)鐧傞浕瀛愯ō鍌欑殑闅旈洟闆绘簮閮ㄥ垎銆�
銆�銆�鐢变簬鍏堕珮鏁堢巼鍜屽彲闈犳��锛孶CC28811鐗瑰垾閬╁悎閭ｄ簺瑕佹眰鍤存牸鑳芥晥妯欐簴鍜屽皬鍨嬪寲瑷▓鐨勬噳鐢ㄥ牬鍚�銆�
UCC28810, UCC28881
