RT4540GQW 鏅�(sh铆)闁擄細2025/5/8 11:58:17 闁辫畝锛�21

RT4540GQW鏄竴娆剧敱Richtek锛堢珛閿滅鎶€锛夌敓鐢�(ch菐n)鐨勫悓姝ユ暣娴侀檷澹撳瀷DC-DC杞�(zhu菐n)鎻涘櫒銆傝┎鑺墖闆嗘垚浜嗛珮鍋�(c猫)鍜屼綆鍋�(c猫)MOSFET锛屾敮鎸侀珮閬�(d谩)4.5A鐨勯€ｇ簩(x霉)杓稿嚭闆绘祦锛屽苟鎻愪緵鍑鸿壊鐨勬晥鐜囧拰绌�(w臎n)瀹氭€с€俁T4540GQW閬╃敤浜庨渶瑕侀珮鎬ц兘闆绘簮绠＄悊鐨勪究鏀滃紡瑷�(sh猫)鍌欏拰鍏朵粬浣庡姛鑰楁噳(y墨ng)鐢�銆�
銆€銆€鍏堕噰鐢ㄦ亽瀹氬皫(d菐o)閫氭檪(sh铆)闁擄紙COT锛夋帶鍒舵ā寮�锛岃兘澶犲揩閫熼熆鎳�(y墨ng)璨�(f霉)杓夎畩鍖栧苟绨″寲鐠�(hu谩n)璺(b菙)鍎熻ō(sh猫)瑷�(j矛)銆傛澶�锛屽畠閭勫叿鏈夊绋繚璀�(h霉)鍔熻兘锛屽閬庢祦淇濊(h霉)銆佺煭璺繚璀�(h霉)鍜岄亷婧繚璀�(h霉)锛岀⒑淇濈郴绲�(t菕ng)鍦ㄧ暟甯告儏娉佷笅鐨勫畨鍏ㄩ亱(y霉n)琛屻€�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�2.7V~5.5V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.6V~VIN
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�1MHz
銆€銆€鏈€澶ц几鍑洪浕娴侊細4.5A
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40鈩儈+85鈩�
銆€銆€灏佽褰㈠紡锛歈FN 3mmx3mm
銆€銆€闈滄厠(t脿i)闆绘祦锛�25渭A
銆€銆€鏁堢巼锛堝吀鍨嬪€硷級锛�95%

鐗规€�

RT4540GQW閲囩敤浜嗗厛閫�(j矛n)鐨凜OT鏋舵(g貌u)锛屽彲浠ュ(sh铆)鐝�(xi脿n)蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜屾サ绨＄殑澶栭儴鍏冧欢閰嶇疆銆傚収(n猫i)閮ㄩ泦鎴愮殑鍔熺巼MOSFET娑堥櫎浜嗗皪澶栭儴鍣ㄤ欢鐨勯渶姹�锛屽緸鑰屾笡灏戜簡鏁撮珨瑙ｆ焙鏂规鐨勫昂瀵稿拰鎴愭湰銆�
銆€銆€瑭茶姱鐗囧叿鏈夎秴浣庣殑闈滄厠(t脿i)闆绘祦锛岄潪甯搁仼鍚堥浕姹犱緵闆荤殑鎳�(y墨ng)鐢ㄥ牬鏅€傚悓鏅�(sh铆)锛屽叾鍏峰倷瀹屽杽鐨勪繚璀�(h霉)姗�(j墨)鍒讹紝鍖呮嫭鎵撳棟妯″紡鐭矾淇濊(h霉)銆侀亷婧棞(gu膩n)鏂蜂互鍙婇€愬懆鏈熼浕娴侀檺鍒剁瓑锛屾彁鍗囦簡绯荤当(t菕ng)鐨勫彲闈犳€с€�
銆€銆€姝ゅ锛孯T4540GQW鏀寔鍙(di脿o)杌熷暉鍕�(d貌ng)鍔熻兘锛岄伩鍏嶄簡涓婇浕鏅�(sh铆)灏嶈几鍏ラ浕婧愮殑娌栨搳锛岄€�(j矛n)涓€姝ュ寮�(qi谩ng)浜嗚ō(sh猫)瑷�(j矛)闈堟椿鎬�銆�

鎳�(y墨ng)鐢�

RT4540GQW寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佺殑闆绘簮杞�(zhu菐n)鎻涗换鍕�(w霉)涓紝渚嬪鏅鸿兘鎵嬫(j墨)銆佸钩鏉块浕鑵︺€佷究鏀滃紡濯掗珨鎾斁鍣�銆佽棈(l谩n)鐗欒ō(sh猫)鍌欎互鍙婂叾浠栭渶瑕侀珮鏁堥浕婧愮鐞嗙殑鍫村悎銆�
銆€銆€鍏堕珮鏁堢巼鍜屽皬楂旂⿳鐗规€т娇鍏舵垚鐐虹┖闁撳彈闄愪笖灏嶈兘鏁堣姹傝純楂樼殑鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆傚彟澶�锛岀敱浜庡叾杓冨鐨勮几鍏ラ浕澹撹寖鍦嶏紝RT4540GQW涔熼仼鍚堢敤浣淯SB鎺ュ彛渚涢浕鎴栭嫲闆绘睜渚涢浕鐨勮綁(zhu菐n)鎻涙柟妗�銆�