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UC3845G-S08-R鏄編鍦婾nitrode鍏徃鐢熺敘(ch菐n)鐨勪竴娆鹃珮鎬ц兘闆绘祦妯″紡PWM鎺у埗鍣ㄨ姱鐗�锛屽唬娉涙噳鐢ㄤ簬闆㈢窔寮忛枊闂滈浕婧愶紙SMPS锛夊拰DC-DC杞夋彌鍣�銆傝┎鑺墖鍏�(n猫i)缃簡鎸暕鍣ㄣ�佽宸斁澶у櫒銆侀浕娴侀檺鍒舵瘮杓冨櫒浠ュ強PWM閹栧瓨鍣ㄧ瓑鍔熻兘妯″锛岄�氶亷绮剧⒑鎺у埗鍗犵┖姣斾締瑾跨瘈(ji茅)杓稿嚭闆诲鎴栭浕娴�銆俇C3845绯诲垪浠ュ叾楂樼簿搴�銆佷綆鍔熻�楀拰鏄撲簬瑷▓鐨勭壒榛�锛屽湪涓皬鍔熺巼闁嬮棞闆绘簮瑷▓涓潪甯稿彈姝¤繋銆�
鍨嬭櫉锛歎C3845G-S08-R
銆�銆�宸ヤ綔闆诲鑼冨湇锛�7V 鑷� 40V
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�2mA
銆�銆�宸ヤ綔闆绘祦锛氬皬浜�10mA
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細100Hz 鑷� 500kHz
銆�銆�婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛歋OIC-8
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛氬嘲鍊奸浕娴佸彲閬�400mA
UC3845G-S08-R鍏锋湁浠ヤ笅椤憲鐗归粸锛�
銆�銆�1. 鍏�(n猫i)缃簿婧栫殑闆绘祦妯″紡鎺у埗姗熷埗锛屾彁渚涘揩閫熺殑璨犺級闊挎噳鍜岃壇濂界殑绌�(w臎n)瀹氭��銆�
銆�銆�2. 鏀寔瀵寖鍦嶇殑杓稿叆闆诲锛岄仼鐢ㄤ簬澶氱ó闆绘簮鍫存櫙銆�
銆�銆�3. 鎻愪緵鍙鐨勬尟钑╁櫒闋荤巼锛屼究浜庡劒(y艒u)鍖栭浕纾佸共鎿撅紙EMI锛夋�ц兘銆�
銆�銆�4. 闆嗘垚浜嗚粺鍟熷嫊鍔熻兘锛屾湁鏁堟笡灏戜笂闆荤灛闁撶殑娌栨搳闆绘祦銆�
銆�銆�5. 鍏锋湁閬庢祦淇濊鍜岀啽闂滄柗淇濊鍔熻兘锛屾彁鍗囦簡绯荤当(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬�銆�
銆�銆�6. 灏佽灏忓阀锛岄仼鍚堢┖闁撳彈闄愮殑瑷▓鐠�(hu谩n)澧�銆�
銆�銆�7. 鍏�(n猫i)閮ㄩ泦鎴愪簡娆犲閹栧畾闆昏矾锛圲VLO锛夛紝纰轰繚鑺墖鍦ㄤ綆澹撴浠朵笅涓嶆渻瑾ゆ搷浣�銆�
UC3845G-S08-R涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 闆㈢窔寮忛枊闂滈浕婧愰仼閰嶅櫒銆�
銆�銆�2. 闆昏叇鍙婃秷璨婚闆诲瓙鐢�(ch菐n)鍝佺殑闆绘簮妯″銆�
銆�銆�3. 宸ユキ(y猫)瑷倷涓殑杓斿姪闆绘簮鍠厓銆�
銆�銆�4. LED椹呭嫊闆绘簮銆�
銆�銆�5. DC-DC杞夋彌鍣ㄨō瑷�銆�
銆�銆�6. 鍚勭ó闇�瑕佺簿瀵嗛浕娴佹帶鍒剁殑灏忓姛鐜囬浕婧愮郴绲�(t菕ng)銆�
銆�銆�鍏跺嚭鑹茬殑鎬ц兘鍜岄潏娲绘�т娇鍏舵垚鐐轰腑灏忓瀷鍔熺巼闆绘簮瑷▓鐨勭悊鎯抽伕鎿�銆�
UC3845B, UC3845C
