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UC3845BVD1R2G 鏄竴绋珮鎬ц兘鐨勯浕娴佹ā寮� PWM 鎺у埗鍣�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞闆绘簮銆丏C-DC 杞夋彌鍣ㄧ瓑闆诲姏闆诲瓙闋樺煙銆傚叾涓昏鍔熻兘鏄�氶亷鎺у埗鍔熺巼闁嬮棞鍣ㄤ欢鐨勫皫閫氬拰闂滄柗鏅傞枔渚嗗鐝�(xi脿n)灏嶈几鍑洪浕澹撶殑瑾�(di脿o)绡�(ji茅)銆傝┎鑺墖鍏锋湁闆嗘垚搴﹂珮銆佸鍦嶉浕璺啊鍠�佹�ц兘绌�(w臎n)瀹氱瓑鐗归粸銆�
銆�銆�UC3845 绯诲垪鎺у埗鍣ㄥ収(n猫i)缃宸斁澶у櫒銆佹尟钑╁櫒銆丳WM 姣旇純鍣ㄤ互鍙婂ぇ闆绘祦鍦栭ò鏌辫几鍑虹礆绛夊姛鑳芥ā濉�锛岃兘澶犳豢瓒冲绋噳鐢ㄩ渶姹�銆�
鍨嬭櫉锛歎C3845BVD1R2G
銆�銆�宸ヤ綔闆诲鑼冨湇锛�8V 鑷� 40V
銆�銆�鍟熷嫊闆绘祦锛氬皬浜� 1mA
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細100kHz 鑷� 500kHz
銆�銆�杓稿嚭椹�(q奴)鍕曡兘鍔涳細宄板�奸浕娴� 卤1A
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆�銆�灏佽褰㈠紡锛欴IP-8/SOIC-8
UC3845BVD1R2G 鍏锋湁浠ヤ笅鐗规�э細
銆�銆�1. 鍏�(n猫i)缃簿瀵嗗熀婧栨簮锛岀⒑淇濈┅(w臎n)瀹氱殑鍙冭�冮浕澹�銆�
銆�銆�2. 鏀寔鍙法绋嬫枩鐜囪鍎熷姛鑳�锛屾湁鏁堟姂鍒舵璜ф尝澶辩┅(w臎n)鐝�(xi脿n)璞�銆�
銆�銆�3. 闆嗘垚閫愬懆鏈熼檺娴佷繚璀锋鍒讹紝闃叉閬庤級鎼嶅銆�
銆�銆�4. 鎻愪緵娆犲閹栧畾锛圲VLO锛夊姛鑳�锛岀暥杓稿叆闆诲浣庝簬瑷畾鍊兼檪鑷嫊闂滈枆鑺墖銆�
銆�銆�5. 鏀寔澶栭儴瑁滃劅缍�(w菐ng)绲�锛屼究浜庡劒(y艒u)鍖栫挵(hu谩n)璺┅(w臎n)瀹氭��銆�
銆�銆�6. 鍏�(n猫i)缃粺鍟熷嫊鍔熻兘锛屾笡灏戜笂闆绘檪鐨勬矕鎿婇浕娴�銆�
銆�銆�7. 宸ヤ綔闋荤巼闈堟椿鍙(di脿o)锛岄仼鎳変笉鍚岃ō瑷堥渶姹�銆�
銆�銆�8. 楂樻晥鐨勫ぇ闆绘祦杓稿嚭绱�锛岄仼鍚堢洿鎺ラ﹨(q奴)鍕� MOSFET 鎴栭洐妤靛瀷鏅堕珨绠�銆�
銆�銆�9. 灏佽绶婃箠锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
UC3845BVD1R2G 寤ｆ硾鎳夌敤浜庝互涓嬪牬鏅細
銆�銆�1. 闁嬮棞闆绘簮瑷▓锛屽 AC-DC 鍜� DC-DC 杞夋彌鍣�銆�
銆�銆�2. LED 椹�(q奴)鍕曢浕婧�銆�
銆�銆�3. 闆绘睜鍏呴浕鍣�銆�
銆�銆�4. 閫氫俊瑷倷涓殑闆绘簮绠＄悊銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勮紨鍔╅浕婧�銆�
銆�銆�6. 閬╅厤鍣ㄥ拰鍏呴浕鍣ㄦā濉娿��
銆�銆�7. 澶氱ó闅旈洟寮忔垨闈為殧闆㈠紡鎷撴挷绲愭锛屽鍙嶆縺銆佹婵�銆侀檷澹�銆佸崌澹撹綁鎻涘櫒銆�
UC3845B, UC3845N, UC3845CN
