鏅傞枔锛�2025/5/6 13:21:30
闁辫畝锛�30
TPS53622鏄痉宸炲剙鍣紙TI锛夋帹鍑虹殑涓�娆鹃珮鏁�銆佸悓姝ラ檷澹撹綁(zhu菐n)鎻涘櫒銆傝┎鍣ㄤ欢閲囩敤灏忓瀷灏佽锛屽収(n猫i)缃姛鐜嘙OSFET锛屾敮鎸佸杓稿叆闆诲鑼冨湇锛岄仼鍚堝绋噳鐢ㄥ牬鍚�銆俆PS53622鍏锋湁蹇�熺灛鎱�(t脿i)闊挎噳鍜岄珮鏁堢巼鐨勭壒榛�锛岄仼鐢ㄤ簬渚挎敎寮忚ō(sh猫)鍌�銆侀�氫俊绯荤当(t菕ng)浠ュ強宸ユキ(y猫)鎳夌敤涓殑闆绘簮绠＄悊銆�
銆�銆�TPS53622鐨勬帶鍒舵柟寮忕偤闆绘祦妯″紡PWM锛岃兘澶犳彁渚涚簿纰虹殑杓稿嚭瑾�(di脿o)绡�(ji茅)锛屽苟涓旀敮鎸佸閮ㄨ鍎熶互鍎�(y艒u)鍖栫挵(hu谩n)璺┅(w臎n)瀹氭��銆傚叾杓曡級鏁堢巼琛ㄧ従(xi脿n)鍎�(y艒u)鐣�锛岄�氶亷鑷嫊鑴堟矕闋荤巼瑾�(di脿o)鍒讹紙PFM锛夋ā寮忛�蹭竴姝ユ彁鍗囨暣楂旀�ц兘銆�
杓稿叆闆诲鑼冨湇锛�4.5V~17V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V~6V
銆�銆�鏈�澶ц几鍑洪浕娴侊細2A
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�500kHz/700kHz/1MHz鍙伕
銆�銆�灏佽褰㈠紡锛歈FN 16寮曡叧锛�3mm x 3mm锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈125鈩�
銆�銆�PSRR锛�100kHz锛夛細50dB
銆�銆�闈滄厠(t脿i)闆绘祦锛�28渭A
TPS53622鏄竴娆鹃珮鎬ц兘鐨勫悓姝ラ檷澹撹綁(zhu菐n)鎻涘櫒锛屽叿鏈変互涓嬩富瑕佺壒鎬э細
銆�銆�1. 鍏�(n猫i)缃珮浣庡伌(c猫)鍔熺巼MOSFET锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲�锛岀啊鍖栦簡瑷�(sh猫)瑷堝苟闄嶄綆浜嗘暣楂旇В姹烘柟妗堝昂瀵�銆�
銆�銆�2. 鏀寔楂橀仈2A鐨勯�ｇ簩(x霉)杓稿嚭闆绘祦锛屾豢瓒冲ぇ澶氭暩(sh霉)鐝�(xi脿n)浠ｉ浕瀛愯ō(sh猫)鍌欑殑闇�姹�銆�
銆�銆�3. 鎻愪緵500kHz銆�700kHz鎴�1MHz涓夌ó鍥哄畾闁嬮棞(gu膩n)闋荤巼閬搁爡锛屼究浜庡劒(y艒u)鍖栨晥鐜囧拰闆荤骞叉摼锛圗MI锛夋�ц兘銆�
銆�銆�4. 鍦ㄨ紩璨犺級姊濅欢涓嬮�插叆鑷嫊PFM妯″紡锛屽緸鑰屾渶澶ч檺搴﹀湴鎻愰珮鏁堢巼銆�
銆�銆�5. 闆嗘垚浜嗛亷娴佷繚璀�銆佺煭璺繚璀峰拰鐔遍棞(gu膩n)鏂峰姛鑳�锛岀⒑淇濈郴绲�(t菕ng)鐨勫畨鍏ㄩ亱琛�銆�
銆�銆�6. 鍏峰倷绮炬簴鐨勪娇鑳藉紩鑵抽柧鍊硷紝鏀寔闈堟椿鐨勪笂闆绘帶鍒跺拰鏅傚簭绠＄悊銆�
銆�銆�7. 鏀寔浣跨敤灏忓瀷闄剁摲杓稿嚭闆诲鍣ㄩ�茶绌�(w臎n)瀹氭搷浣�锛屾湁鍔╀簬娓涘皯PCB绌洪枔鍗犵敤銆�
TPS53622閬╃敤浜庨渶瑕侀珮鏁堢洿娴�-鐩存祦杞�(zhu菐n)鎻涚殑鎳夌敤闋�(l菒ng)鍩�锛屽寘鎷細
銆�銆�1. 渚挎敎寮忔秷璨婚闆诲瓙鐢�(ch菐n)鍝侊紝渚嬪鏅鸿兘鎵嬫銆佸钩鏉块浕鑵﹀拰鍏朵粬闆绘睜渚涢浕瑷�(sh猫)鍌欍��
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栧拰鎺у埗绯荤当(t菕ng)涓殑妯″鍖栭浕婧愯В姹烘柟妗�銆�
銆�銆�3. 缍�(w菐ng)绲￠�氫俊鍩虹(ch菙)瑷�(sh猫)鏂�锛屽璺敱鍣ㄣ�佷氦鎻涙鍙婂熀绔�銆�
銆�銆�4. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愰儴鍒�銆�
銆�銆�5. 閫氱敤宓屽叆寮忕郴绲�(t菕ng)涓殑涓枔绺界窔杞�(zhu菐n)鎻涘櫒鍚庣礆闄嶅鎳夌敤銆�
銆�銆�6. 杌婅級淇℃伅濞涙▊绯荤当(t菕ng)涓殑浣庡姛鑰楀瓙绯荤当(t菕ng)渚涢浕鏂规銆�
TPS54362, TPS54360, LM25119
