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AP4002I-HF 鏄竴娆鹃珮鎬ц兘鐨勫悓姝ユ暣娴侀檷澹擄紙Buck锛夎綁(zhu菐n)鎻涘櫒锛岄噰鐢� CMOS 宸ヨ棟鍒堕�犮�傝┎鑺墖闆嗘垚浜嗛珮鍋�(c猫)鍜屼綆鍋�(c猫) MOSFET锛岃兘澶犲湪瀵几鍏ラ浕澹撹寖鍦嶅収(n猫i)鎻愪緵楂樻晥鐨勯浕婧愯綁(zhu菐n)鎻涖�傚叾鍥哄畾闋荤巼 PWM 鎺у埗妯″紡纰轰繚浜嗙┅(w臎n)瀹氱殑杓稿嚭闆诲锛屽苟涓斿叿鏈夊揩閫熺殑鐬厠(t脿i)闊挎噳鑳藉姏銆�
銆�銆�AP4002I-HF 涓昏鎳夌敤浜庨渶瑕佸皬灏哄銆侀珮鏁堢巼鍜屼綆鍔熻�楃殑渚挎敎寮忚ō鍌欎腑锛屼緥濡傜Щ鍕曢浕婧�銆佽棈鐗欒�虫鍏呴浕鍊変互鍙婂叾浠栨秷璨婚闆诲瓙鐢�(ch菐n)鍝�銆�
杓稿叆闆诲鑼冨湇锛�2.7V - 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V - VIN
銆�銆�杓稿嚭闆绘祦锛氭渶澶� 2A
銆�銆�宸ヤ綔闋荤巼锛�1.2MHz
銆�銆�寰呮闆绘祦锛�1uA
銆�銆�闂滄柗闆绘祦锛氬皬浜� 1uA
銆�銆�鏁堢巼锛氶珮閬� 95%
銆�銆�灏佽褰㈠紡锛歐LCSP-10, QFN16
AP4002I-HF 鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏�(n猫i)缃珮鏁堝姛鐜� MOSFET锛岀啊鍖栦簡澶栧湇闆昏矾瑷▓銆�
銆�銆�2. 鏀寔 2A 鎸佺簩(x霉)杓稿嚭闆绘祦锛屾豢瓒冲ぇ澶氭暩(sh霉)渚挎敎寮忚ō鍌欑殑闇�姹�銆�
銆�銆�3. 鍥哄畾 1.2MHz 闁嬮棞闋荤巼鍏佽ū浣跨敤灏忓瀷澶栭儴闆绘劅鍜岄浕瀹圭祫浠�銆�
銆�銆�4. 鎻愪緵绮炬簴鐨勮几鍑洪浕澹撹(di脿o)绡�(ji茅)鍔熻兘锛岃宸湪 卤2% 浠ュ収(n猫i)銆�
銆�銆�5. 闆嗘垚澶氱ó淇濊鍔熻兘锛屽寘鎷亷婧繚璀�銆佺煭璺繚璀峰拰閬庢祦淇濊锛岀⒑淇濈郴绲�(t菕ng)瀹夊叏閬嬭銆�
銆�銆�6. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦鍜岄棞鏂烽浕娴佸欢闀蜂簡闆绘睜渚涢浕瑷倷鐨勭簩(x霉)鑸檪闁撱��
銆�銆�7. 鏀寔浣胯兘寮曡叧鎺у埗锛屾柟渚垮鐝�(xi脿n)闆绘簮绠＄悊銆�
銆�銆�8. 灏忓瀷灏佽閬╁悎绶婃箠鍨嬭ō瑷堥渶姹傘��
AP4002I-HF 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 绉诲嫊闆绘簮鍜屽厖闆诲闆昏矾瑷▓銆�
銆�銆�2. 钘嶇墮鑰虫鍏呴浕鐩掑強鍙┛鎴磋ō鍌欓浕婧愮鐞�銆�
銆�銆�3. USB 渚涢浕瑷倷涓殑 DC-DC 杞�(zhu菐n)鎻涖��
銆�銆�4. 鎵嬫寔寮忛浕瀛愯ō鍌�锛屽娓告埐姗熸垨鎺冩弿鍎�銆�
銆�銆�5. 鍚勭ó渚挎敎寮忔秷璨婚闆诲瓙鐢�(ch菐n)鍝�锛屽鏅鸿兘闊崇銆佹敐鍍忛牠绛�銆�
AP4002I-LF, AP4002I-GF
