TPS54340 鏅傞枔锛�2025/5/6 11:57:29 闁辫畝锛�23

TPS54340鏄竴娆剧敱寰峰窞鍎€鍣紙TI锛夋帹鍑虹殑楂樻晥鍚屾闄嶅杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖鑳藉鍦ㄥ杓稿叆闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屾彁渚涢珮閬�(d谩)4A鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦锛屽苟鍏锋湁鑹ソ鐨勮矤(f霉)杓夊拰绶氭€ц(di脿o)鏁寸巼銆�
銆€銆€TPS54340閲囩敤鍥哄畾闋荤巼宄板€奸浕娴佹ā寮忔帶鍒舵灦妲�(g貌u)锛岄泦鎴愪簡楂樺伌(c猫)鍜屼綆鍋�(c猫)MOSFET浠ユ彁楂樻晥鐜囧苟娓涘皯澶栭儴鍏冧欢鏁�(sh霉)閲�銆傛澶�锛岃┎鍣ㄤ欢閭勫叿鍌欏彲瑾�(di脿o)杌熷暉鍕�銆侀浕婧愭甯告寚绀�銆侀亷娴佷繚璀�(h霉)浠ュ強鐔遍棞(gu膩n)鏂风瓑鍔熻兘锛岄仼鐢ㄤ簬澶氱ó闇€瑕佺┅(w臎n)瀹氶浕婧愮殑鎳�(y墨ng)鐢ㄥ牬鏅€�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V~28V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.8V~26V
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�200kHz~1MHz
銆€銆€杓稿嚭闆绘祦锛�4A
銆€銆€灏佽椤炲瀷锛欻TSSOP-20

鐗规€�

TPS54340鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 瀵几鍏ラ浕澹撹寖鍦�锛屾敮鎸佸緸4.5V鍒�28V鐨勯浕澹撹几鍏�锛岄仼鎳�(y墨ng)澶氱ó闆绘簮鐠�(hu谩n)澧�銆�
銆€銆€2. 楂橀仈(d谩)4A鐨勬寔绾�(x霉)杓稿嚭闆绘祦鑳藉姏锛岀⒑淇濆叾鑳藉鐐洪珮鎬ц兘铏曠悊鍣ㄥ拰鍏朵粬澶у姛鐜囪ō(sh猫)鍌欎緵闆�銆�
銆€銆€3. 鍏�(n猫i)缃珮鏁堢巼鍚屾鏁存祦MOSFET锛岄’钁楁彁楂樹簡杞�(zhu菐n)鎻涙晥鐜囷紝鍚屾檪闄嶄綆浜嗙郴绲�(t菕ng)鍔熻€�銆�
銆€銆€4. 鏀寔200kHz鑷�1MHz鐨勫彲绶ㄧ▼闁嬮棞(gu膩n)闋荤巼锛屽厑瑷辫ō(sh猫)瑷堣€呮牴鎿�(j霉)鍏烽珨闇€姹傚劒(y艒u)鍖栨晥鐜囧拰灏哄銆�
銆€銆€5. 鎻愪緵鍙(di脿o)杌熷暉鍕曞姛鑳�锛岄伩鍏嶅湪鍟熷嫊閬庣▼涓敘(ch菐n)鐢熼亷澶х殑娴秾闆绘祦銆�
銆€銆€6. 鍏锋湁閫愬懆鏈熼檺娴佷繚璀�(h霉)鍜岀啽闂�(gu膩n)鏂峰姛鑳�锛屽寮�(qi谩ng)浜嗙郴绲�(t菕ng)鐨勫彲闈犳€у拰瀹夊叏鎬�銆�
銆€銆€7. 鍏�(n猫i)缃(b菙)鍎熺恫(w菐ng)绲�(lu貌)绨″寲浜嗙挵(hu谩n)璺┅(w臎n)瀹氭€цō(sh猫)瑷堬紝浣挎暣楂旇ō(sh猫)瑷堟洿鍔犱究鎹�銆�
銆€銆€8. 鎻愪緵闆绘簮姝ｅ父锛圥G锛夋(bi膩o)蹇楀紩鑵�锛岀敤浜庢寚绀鸿几鍑洪浕澹撴槸鍚﹁檿浜庤(di脿o)绡€(ji茅)鑼冨湇鍏�(n猫i)銆�

鎳�(y墨ng)鐢�

TPS54340寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闇€瑕侀珮鏁堥浕婧愯綁(zhu菐n)鎻涚殑闋�(l菒ng)鍩�锛屼緥濡傦細
銆€銆€1. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欙紝濡侾LC妯″鍜屾暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)銆�
銆€銆€2. 閫氫俊鍩虹(ch菙)瑷�(sh猫)鏂斤紝鍖呮嫭璺敱鍣�銆佷氦鎻涙(j墨)鍜屽熀绔�銆�
銆€銆€3. 閱�(y墨)鐧傝ō(sh猫)鍌�锛屽瓒呰伈娉㈣ê鏂峰剙鍜屾偅鑰呯洠(ji膩n)璀�(h霉)瑷�(sh猫)鍌�銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊紝姣斿骞虫澘闆昏叇鍜岄珮绔煶闋昏ō(sh猫)鍌�銆�
銆€銆€5. 绛嗚鏈浕鑵﹀強鍏朵粬渚挎敎寮忛浕瀛愯ō(sh猫)鍌欑殑澶栬ō(sh猫)渚涢浕鏂规銆�
銆€銆€鐢变簬鍏跺嚭鑹茬殑鎬ц兘鍜岄潏娲绘€�锛孴PS54340鎴愮偤鐪惧瑷�(sh猫)瑷堝斧鍦ㄩ伕鎿囬檷澹撹綁(zhu菐n)鎻涘櫒鏅傜殑鐞嗘兂閬搁爡銆�