鏅傞枔锛�2025/6/3 13:25:30
闁辫畝锛�11
UCC3808A-1鏄疶I锛堝痉宸炲剙鍣級鎺ㄥ嚭鐨勪竴娆鹃珮鎬ц兘闆绘祦妯″紡PWM鎺у埗鍣紝寤ｆ硾鎳夌敤浜庨枊闂滈浕婧�銆丏C-DC杞夋彌鍣ㄧ瓑鍫存櫙銆傝┎鑺墖鍏锋湁蹇�熺殑鍕曟厠(t脿i)闊挎噳鑳藉姏浠ュ強鑹ソ鐨勭┅(w臎n)瀹氭�э紝鏀寔澶氱ó淇濊鍔熻兘浠ユ彁楂樼郴绲�(t菕ng)鐨勫彲闈犳��銆�
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宸ヤ綔闆诲锛�7V~40V
銆�銆�鏈�澶у崰绌烘瘮锛�99.6%
銆�銆�鎸暕鍣ㄩ牷鐜囪寖鍦嶏細1kHz~500kHz
銆�銆�鍟熷嫊闆绘祦锛氣墹2mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氣墹3.5mA
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛毬�400mA
銆�銆�鏈�灏忛棞鏂锋檪闁擄細3渭s
UCC3808A-1鏄竴娆鹃珮搴﹂泦鎴愮殑PWM鎺у埗鍣�锛屽叾涓昏鐗归粸鍖呮嫭锛�
銆�銆�1. 閲囩敤闆绘祦妯″紡鎺у埗锛屾彁渚涙洿蹇殑鐬厠(t脿i)闊挎噳鍜屾洿楂樼殑鐠�(hu谩n)璺┅(w臎n)瀹氭��銆�
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銆�銆�5. 鎻愪緵绮剧⒑鐨勫弮鑰冮浕澹撴簮锛�2.5V锛�锛岀敤浜庤宸斁澶у櫒鐨勫熀婧栬几鍏�銆�
銆�銆�6. 杓稿嚭绱氱偤鎺ㄦ尳寮忚ō瑷�锛岃兘鐩存帴椹呭嫊MOSFET鎴栭洐妤靛瀷鏅堕珨绠�銆�
UCC3808A-1鍥犲叾鍑鸿壊鐨勬�ц兘琚唬娉涙噳鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 闁嬮棞闆绘簮锛圫MPS锛夎ō瑷堜腑鐨凱WM鎺у埗鍣�銆�
銆�銆�2. DC-DC杞夋彌鍣�锛屼緥濡傞檷澹�銆佸崌澹撴垨鍙嶆縺鎷撴挷绲愭銆�
銆�銆�3. 楂樻晥鑳藉伐妤�(y猫)闆绘簮绯荤当(t菕ng)銆�
銆�銆�4. LED椹呭嫊闆绘簮鍙婇�氫俊瑷倷渚涢浕妯″銆�
銆�銆�5. 鍚勯闇�瑕佺簿瀵嗛浕娴佹帶鍒剁殑闆诲瓙瑁濈疆銆�
UCC3808A, UC3808A
