鏅傞枔锛�2025/5/20 15:42:56
闁辫畝锛�19
TPS62740鏄竴娆捐秴浣庡姛鑰楀悓姝ラ檷澹撹綁鎻涘櫒锛屽皥鐐洪渶瑕侀珮鏁堢巼鍜屽皬灏哄瑙ｆ焙鏂规鐨勬噳鐢ㄨ�岃ō瑷�銆傝┎鍣ㄤ欢鑳藉鎻愪緵楂橀仈500mA鐨勮几鍑洪浕娴�锛屽苟鍏锋湁瀵几鍏ラ浕澹撹寖鍦嶏紙1.8V鑷�5.5V锛�锛岄仼鐢ㄤ簬鍠瘈(ji茅)閶伴洟瀛愰浕姹犱緵闆绘垨鍏朵粬浣庡绯荤当(t菕ng)銆�
銆�銆�TPS62740閲囩敤鍥哄畾闋荤巼PWM鎺у埗妯″紡锛屽湪杓曡級姊濅欢涓嬪彲鑷嫊閫插叆鐪侀浕妯″紡浠ヤ繚鎸侀珮鏁堢巼銆傛澶�锛屽叾鍏х疆鐨勫悓姝ユ暣娴佸姛鑳芥秷闄や簡灏嶅閮ㄨ倴鐗瑰熀浜屾サ绠＄殑闇�姹�锛屽緸鑰岀啊鍖栦簡瑷▓骞堕檷浣庝簡鏁撮珨瑙ｆ焙鏂规鎴愭湰銆�
杓稿叆闆诲鑼冨湇锛�1.8V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� VIN
銆�銆�杓稿嚭闆绘祦锛氶珮閬� 500mA
銆�銆�闁嬮棞闋荤巼锛�2.2MHz
銆�銆�闈滄厠(t脿i)闆绘祦锛�900nA锛堝吀鍨嬪�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛欴SST (1.5mm x 1.5mm锛�8 寮曡叧)
TPS62740鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀仈500mA鐨勬寔绾�(x霉)杓稿嚭闆绘祦锛岄仼鍚堝绋究鏀滃紡瑷倷鎳夌敤銆�
銆�銆�2. 瓒呬綆闈滄厠(t脿i)闆绘祦锛�900nA锛夛紝鏈夊姪浜庡欢闀烽浕姹犲＝鍛�銆�
銆�銆�3. 瀵几鍏ラ浕澹撹寖鍦嶏紙1.8V鑷�5.5V锛夛紝鍏煎鍚勭ó闆绘簮杓稿叆鍫存櫙銆�
銆�銆�4. 鍥哄畾闋荤巼2.2MHz PWM鎺у埗锛屽厑瑷变娇鐢ㄥ皬鍨嬪閮ㄥ厓浠躲��
銆�銆�5. 鑷嫊鐪侀浕妯″紡锛屽湪杓曡級姊濅欢涓嬩繚鎸侀珮鏁堢巼銆�
銆�銆�6. 鍏х疆瑁滃劅闆昏矾锛岀啊鍖栬ō瑷堟祦绋�銆�
銆�銆�7. 灏忓瀷DSST灏佽锛�1.5mm x 1.5mm锛夛紝绡�(ji茅)鐪丳CB绌洪枔銆�
TPS62740寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鍙┛鎴磋ō鍌欙紝濡傛櫤鑳芥墜琛�銆佸仴韬拷韫ゅ櫒绛夈��
銆�銆�2. 渚挎敎寮忛啱(y墨)鐧傝ō鍌�锛屼緥濡傝绯栧剙銆佽剤鎼忚姘у剙绛�銆�
銆�銆�3. 鐗╄伅(li谩n)缍诧紙IoT锛夌祩绔瘈(ji茅)榛炶ō鍌欍��
銆�銆�4. 鐒＄窔鍌虫劅鍣ㄧ恫绲�銆�
銆�銆�5. 鍏朵粬灏嶅姛鑰楁晱鎰熶笖闇�瑕侀珮鏁堥浕婧愮鐞嗙殑灏忓瀷闆诲瓙瑷倷銆�
TPS62741, TPS62742, TPS62743
