鏅傞枔锛�2025/5/7 9:15:45
闁辫畝锛�32
LM2664鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夌敓鐢�(ch菐n)鐨勯珮鏁�銆佷綆鍔熻�楃殑闁嬮棞闆诲杞�(zhu菐n)鎻涜姱鐗�銆傝┎鑺墖鍙互瀵︾従(xi脿n)闄嶅-鍗囧锛圛nverting Buck-Boost Converter锛夊姛鑳斤紝灏囪几鍏ラ浕澹撹綁(zhu菐n)鎻涚偤璨犺几鍑洪浕澹�銆傚畠鍏�(n猫i)缃簡鍔熺巼MOSFET锛岃兘澶犳彁渚涢珮閬�500mA鐨勮几鍑洪浕娴�锛屽苟涓斿叿鏈夎純瀵殑杓稿叆闆诲鑼冨湇銆侺M2664閬╁悎鐢ㄤ簬闇�瑕佺敓鎴愯矤闆诲鐨勬噳鐢ㄥ牬鏅�锛屼緥濡傞亱绠楁斁澶у櫒渚涢浕銆侀浕鑽锋车闆昏矾銆佹暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)绛�銆�
銆�銆�LM2664閲囩敤浜�8寮曡叧SOIC灏佽锛屽叿鍌欓棞鏂锋ā寮忎互闄嶄綆闈滄厠(t脿i)闆绘祦娑堣��锛屽悓鏅傛敮鎸佸閮ㄨ鍎熶互鍎�(y艒u)鍖栨�ц兘銆�
杓稿叆闆诲鑼冨湇锛�2.7V 鑷� 15V
銆�銆�杓稿嚭闆诲鑼冨湇锛�-1.23V 鑷� -15V
銆�銆�鏈�澶ц几鍑洪浕娴侊細500mA
銆�銆�宸ヤ綔闋荤巼锛�100kHz
銆�銆�闂滄柗闆绘祦锛氬皬浜�1渭A
銆�銆�灏佽褰㈠紡锛�8 寮曡叧 SOIC
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
LM2664鍏峰倷楂樻晥鐜囩殑鑳介噺杞�(zhu菐n)鎻涜兘鍔涳紝鍦ㄨ紩杓夋浠朵笅涔熻兘缍寔杓冮珮鐨勬晥鐜囥�傚叾鍏�(n猫i)缃殑瑁滃劅缍�(w菐ng)绲″拰鍥哄畾闋荤巼鎸暕鍣ㄧ啊鍖栦簡澶栭儴鍏冧欢瑷▓锛屾笡灏戜簡鏁撮珨瑙ｆ焙鏂规鐨勫昂瀵稿拰寰╅洔搴�銆�
銆�銆�姝ゅ锛孡M2664鏀寔浣胯兘寮曡叧鎺у埗锛屽厑瑷辩敤鎴堕�氶亷閭忚集淇¤櫉渚嗛枊鍟熸垨闂滈枆鑺墖銆傚湪闂滄柗鐙�鎱�(t脿i)涓�锛岃姱鐗囩殑闈滄厠(t脿i)闆绘祦闈炲父浣�锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō鍌�銆�
銆�銆�瑭茶姱鐗囬倓鍏锋湁鐭矾淇濊鍜岀啽闂滄柗鍔熻兘锛岀⒑淇濆湪鐣板父鎯呮硜涓嬩笉鏈冩悕澹炲櫒浠�銆侺M2664鐨勯枊闂滈牷鐜囩偤鍥哄畾鐨�100kHz锛岄�欎娇寰楀畠鍙互浣跨敤杓冨皬鐨勬烤娉㈤浕鎰熷拰闆诲锛屽緸鑰岀瘈(ji茅)鐪丳CB绌洪枔銆�
LM2664寤ｆ硾鎳夌敤浜庡悇绋渶瑕佽矤闆诲闆绘簮鐨勫牬鍚�锛屽寘鎷細
銆�銆�1. 閬嬬畻鏀惧ぇ鍣ㄥ拰姣旇純鍣ㄤ緵闆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑妯℃摤闆昏矾
銆�銆�3. 鍙敎寮忛浕瀛愮敘(ch菐n)鍝�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌�
銆�銆�5. 閱�(y墨)鐧傞浕瀛愯ō鍌�
銆�銆�6. 娓│鑸囨脯閲忓剙鍣�
銆�銆�7. 閫氫俊绯荤当(t菕ng)涓殑鍋忕疆闆绘簮
銆�銆�鐢变簬鍏堕珮鏁堢殑杞�(zhu菐n)鎻涚壒鎬у拰浣庡姛鑰楄ō瑷�锛孡M2664鐗瑰垾閬╃敤浜庡皪鍔熻�楁晱鎰熺殑鎳夌敤鐠�(hu谩n)澧�銆�
LM2662, LM2663, TPS60150
