鏅傞枔锛�2025/5/10 17:28:47
闁辫畝锛�26
UC3825DWTR鏄竴娆鹃珮鎬ц兘闆绘祦妯″紡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�(zhu菐n)鎻涘櫒绛夐浕鍔涢浕瀛愯ō鍌欎腑銆傝┎鑺墖閫氶亷鎻愪緵绮剧⒑鐨勫崰绌烘瘮鎺у埗鍜屽揩閫熺殑鍕曟厠(t脿i)闊挎噳锛岃兘澶�?q奴)宕縁(xi脿n)楂樻晥鐨勫姛鐜囪綁(zhu菐n)鎻涖�傚叾鍏�(n猫i)缃尟钑╁櫒銆佽宸斁澶у櫒銆侀浕娴佹娓瘮杓冨櫒浠ュ強杓稿嚭椹�(q奴)鍕曞櫒绛夊姛鑳芥ā濉婏紝绨″寲浜嗗閮ㄩ浕璺ō瑷�銆�
鍨嬭櫉锛歎C3825DWTR
銆�銆�灏佽锛歋OIC-8
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.5V 鑷� 40V
銆�銆�鍥哄畾闋荤巼鑼冨湇锛�100kHz 鑷� 500kHz
銆�銆�鍙冭�冮浕澹擄細2.5V 卤1%
銆�銆�鏈�澶у崰绌烘瘮锛�99%
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�1mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�淇濊鍔熻兘锛氶亷娴佷繚璀�銆佹瑺澹撻帠瀹�
UC3825DWTR鍏锋湁楂樼簿搴︾殑鍩烘簴闆诲婧愶紝纰轰繚绯荤当(t菕ng)绌�(w臎n)瀹氭��銆�
銆�銆�鏀寔鍙法绋嬬殑鏂滅巼瑁滃劅鍔熻兘锛屾湁鏁堥槻姝㈡璜ф尝鎸暕銆�
銆�銆�鍏�(n猫i)缃甈WM閹栧瓨鍣�锛岃兘澶犲湪鐧�(f膩)鐢熼亷娴佹檪杩呴�熼棞闁夎几鍑�锛屾彁楂樺彲闈犳�с��
銆�銆�浣庡姛鑰楀緟姗熸ā寮�锛屾笡灏戦潨鎱�(t脿i)闆绘祦娑堣��銆�
銆�銆�鍏峰倷鑹ソ鐨勭啽鎬ц兘鍜岄浕姘ｉ殧闆㈢壒鎬�锛岄仼鐢ㄤ簬鍤磋嫑鐠�(hu谩n)澧冧笅鐨勬噳鐢�銆�
銆�銆�鏀寔瀵寖鍦嶈几鍏ラ浕澹擄紝閬╂噳澶氱ó闆绘簮鍫存櫙闇�姹�銆�
銆�銆�鍎�(y艒u)鍖栫殑寮曡叧甯冨眬渚夸簬PCB甯冪窔瑷▓锛岄檷浣庨浕纾佸共鎿撅紙EMI锛�銆�
銆�銆�閫氶亷SMD灏佽褰㈠紡鎻愪緵鏇撮珮鐨勮閰嶆晥鐜囧拰鍙潬鎬�銆�
UC3825DWTR涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 闁嬮棞闆绘簮锛圫MPS锛夎ō瑷堜腑鐨勫姛鐜囧洜鏁�(sh霉)鏍℃锛圥FC锛夌礆鎺у埗銆�
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛屽寘鎷檷澹撱�佸崌澹撳強鍙嶆縺寮忔嫇鎾茬祼(ji茅)妲�(g貌u)銆�
銆�銆�3. LED椹�(q奴)鍕曢浕婧愯ō瑷堬紝鐢ㄤ簬宸ユキ(y猫)鐓ф槑鍜屽ぇ鍔熺巼LED鐕堜覆鎺у埗銆�
銆�銆�4. 閫氫俊闆绘簮绯荤当(t菕ng)锛岀偤鍩虹珯鎴栫恫(w菐ng)绲¤ō鍌欎緵闆�銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勭簿瀵嗛浕婧愮鐞嗗柈鍏�銆�
銆�銆�6. 澶櫧鑳藉井閫嗚畩鍣ㄥ拰鍏朵粬鏂拌兘婧愮浉闂滅敘(ch菐n)鍝併��
銆�銆�7. 绛嗚鏈浕鑵﹂仼閰嶅櫒鍙婃秷璨婚闆诲瓙鐢�(ch菐n)鍝侀浕婧愭ā濉�銆�
UC3825A, UC3825B
