鏅傞枔锛�2025/5/6 12:07:23
闁辫畝锛�33
TPS54140A 鏄竴娆惧悓姝ラ檷澹撹綁鎻涘櫒锛屽叿鏈夐珮鎬ц兘鍜岄珮鏁堢巼鐨勭壒榛�銆傚畠鑳藉鍦ㄥ杓稿叆闆诲鑼冨湇鍏у伐浣�锛岄仼鐢ㄤ簬澶氱ó闆绘簮鎳夌敤鍫村悎銆傝┎鍣ㄤ欢闆嗘垚浜哅OSFET闁嬮棞锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲忥紝绨″寲浜嗛浕璺ō瑷�銆�
銆�銆�TPS54140A 鏀寔鍙杓稿嚭闆诲锛屽苟閫氶亷鍏х疆瑁滃劅缍茬怠鎻愪緵绌�(w臎n)瀹氱殑閬嬭鎬ц兘銆傛澶栵紝鍏朵綆闈滄厠(t脿i)闆绘祦鐗规�т娇鍏堕潪甯搁仼鍚堥浕姹犱緵闆荤郴绲�(t菕ng)鍜屽叾浠栧皪鑳芥晥瑕佹眰杓冮珮鐨勬噳鐢�銆�
杓稿叆闆诲鑼冨湇锛�2.9V 鑷� 6V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� VIN-0.7V
銆�銆�鏈�澶ц几鍑洪浕娴侊細4A
銆�銆�闁嬮棞闋荤巼锛氬彲瑾匡紙鍏稿瀷鍊肩偤 1MHz锛�
銆�銆�灏佽椤炲瀷锛歐SON-10
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�鍙冭�冮浕澹撶簿搴︼細卤1%A
銆�銆�闂滄柗闆绘祦锛�1渭A
TPS54140A 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樻晥鐜囧悓姝ユ暣娴佹妧琛擄紝娓涘皯鍔熺巼鎼嶈��銆�
銆�銆�2. 鍏х疆鍔熺巼MOSFET锛岄檷浣庢暣楂旀柟妗堟垚鏈�銆�
銆�銆�3. 鍙绡�(ji茅)鐨勯枊闂滈牷鐜囷紝渚夸簬鍎�(y艒u)鍖朎MI瑷▓銆�
銆�銆�4. 閲囩敤灏忓瀷 WSON 灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�
銆�銆�5. 鍏峰倷閬庢韩淇濊銆佺煭璺繚璀蜂互鍙婇亷娴佷繚璀峰姛鑳�锛岀⒑淇濈郴绲�(t菕ng)鐨勫畨鍏ㄩ亱琛屻��
銆�銆�6. 瓒呬綆鐨勯潨鎱�(t脿i)闆绘祦鏀寔寤堕暦闆绘睜浣跨敤澹藉懡銆�
銆�銆�7. 绌�(w臎n)瀹氱殑璨犺級鐬厠(t脿i)闊挎噳鎬ц兘銆�
TPS54140A 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 渚挎敎寮忚ō鍌欏鏅鸿兘鎵嬫銆佸钩鏉块浕鑵�銆佸彲绌挎埓瑷倷绛�銆�
銆�銆�2. 鐒＄窔閫氫俊瑷倷涓殑闆绘簮妯″銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗鍜屾暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑楂樻晥闆绘簮瑙ｆ焙鏂规銆�
銆�銆�4. 绛嗚鏈浕鑵﹀拰瓒呮サ鏈殑澶栬ō渚涢浕銆�
銆�銆�5. 浠讳綍闇�瑕佸皬灏哄銆侀珮鏁堢巼闄嶅杞夋彌鐨勬噳鐢ㄥ牬鏅��
TPS54140, TPS54160, LM2678
