鏅傞枔锛�2025/5/10 14:19:32
闁辫畝锛�28
PT4121E23F 鏄竴娆鹃珮鎬ц兘銆侀珮鏁堢巼鐨勫悓姝ユ暣娴侀檷澹擄紙Buck锛夎綁鎻涘櫒锛岄仼鐢ㄤ簬鍚勭ó闇�瑕佺┅(w臎n)瀹氳几鍑洪浕澹撶殑鎳夌敤鍫存櫙銆傝┎鑺墖閲囩敤鍏堥�茬殑 CMOS 宸ヨ棟鍒堕�狅紝鍏х疆鍔熺巼 MOSFET锛屽彲鎻愪緵楂橀仈 2A 鐨勬寔绾�(x霉)杓稿嚭闆绘祦銆傚叾宸ヤ綔杓稿叆闆诲鑼冨湇瀵唬锛屾敮鎸佸緸 4.5V 鍒� 28V 鐨勮几鍏ラ浕澹擄紝闈炲父閬╁悎姹借粖闆诲瓙銆佸伐妤�(y猫)鎺у埗鍜屾秷璨婚闆诲瓙瑷倷銆傛澶�锛孭T4121E23F 閭勫叿鏈夐亷婧繚璀枫�佺煭璺繚璀峰拰閬庢祦淇濊绛夊姛鑳�锛岀⒑淇濈郴绲�(t菕ng)閬嬭鐨勫畨鍏ㄦ�у拰鍙潬鎬�銆�
銆�銆�PT4121E23F 鐨勯枊闂滈牷鐜囧浐瀹氱偤 600kHz锛屾湁鍔╀簬娓涘皯澶栭儴鍏冧欢灏哄骞跺劒(y艒u)鍖� PCB 甯冨眬瑷▓銆傚悓鏅�锛屽畠鏀寔鍙杓稿嚭闆诲锛岀敤鎴跺彲浠ラ�氶亷澶栭儴闆婚樆鍒嗗鍣ㄨō缃墍闇�鐨勮几鍑洪浕澹撳�笺��
杓稿叆闆诲鑼冨湇锛�4.5V - 28V
銆�銆�杓稿嚭闆绘祦锛�2A
銆�銆�闁嬮棞闋荤巼锛�600kHz
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V - VIN
銆�銆�闈滄厠(t脿i)闆绘祦锛�10uA
銆�銆�宸ヤ綔鏁堢巼锛氶珮閬� 95%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩� 鑷� +125鈩�
銆�銆�灏佽褰㈠紡锛歋OP-8
1. 瀵几鍏ラ浕澹撹寖鍦�锛岄仼鎳夊绋浕婧愭噳鐢ㄩ渶姹�銆�
銆�銆�2. 鍏х疆鍔熺巼 MOSFET锛岀啊鍖栭浕璺ō瑷堝苟鎻愰珮鏁堢巼銆�
銆�銆�3. 鍥哄畾 600kHz 闁嬮棞闋荤巼锛屾敮鎸佸皬鍨嬪寲闆绘劅瑷▓銆�
銆�銆�4. 楂橀仈 95% 鐨勮綁鎻涙晥鐜�锛岄檷浣庡姛鑰椼��
銆�銆�5. 鍙�氶亷澶栭儴闆婚樆瑾跨瘈(ji茅)杓稿嚭闆诲锛岄潏娲绘�у挤銆�
銆�銆�6. 鎻愪緵瀹屽杽鐨勪繚璀峰姛鑳�锛屽寘鎷亷婧繚璀枫�佺煭璺繚璀峰拰閬庢祦淇濊銆�
銆�銆�7. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦锛岄仼鍚堥浕姹犱緵闆昏ō鍌欍��
銆�銆�8. SOP-8 灏佽锛屾槗浜庡畨瑁濆拰鐒婃帴銆�
1. 姹借粖闆诲瓙绯荤当(t菕ng)锛屽杌婅級鍏呴浕鍣ㄥ拰鍎�琛ㄧ洡渚涢浕銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗瑷倷涓殑闆绘簮绠＄悊妯″銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘鍝�锛屼緥濡備究鏀滃紡瑷倷鍜屾櫤鑳藉灞呯敘鍝併��
銆�銆�4. LED 鐓ф槑椹呭嫊闆绘簮銆�
銆�銆�5. 閫氫俊瑷倷涓殑杓斿姪闆绘簮鍠厓銆�
銆�銆�6. 闆绘睜渚涢浕鐨勪究鏀滃紡鍎�鍣ㄥ拰鎵嬫寔瑷倷銆�
PT4121E23G, PT4121E23H
