RT9471GQW(2) 鏅�(sh铆)闁擄細2025/5/7 22:25:10 闁辫畝锛�24

RT9471GQW鏄竴娆剧敱Richtek锛堢珛閷＄鎶€锛夎ō(sh猫)瑷�(j矛)鐨勯珮鏁堢巼銆佸悓姝ユ暣娴侀檷澹揇C-DC杞�(zhu菐n)鎻涘櫒鑺墖銆傝┎鑺墖鏀寔楂橀仈(d谩)36V鐨勮几鍏ラ浕澹�锛岄仼鐢ㄤ簬宸ユキ(y猫)鎺у埗銆侀€氫俊瑷�(sh猫)鍌欏拰娑堣不(f猫i)闆诲瓙闋�(l菒ng)鍩熺瓑澶氱ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆傚叾鍏�(n猫i)缃姛鐜嘙OSFET锛岃兘澶犳彁渚涢珮閬�(d谩)2A鐨勬寔绾�(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€RT9471GQW閲囩敤浜嗘亽瀹氬皫(d菐o)閫氭檪(sh铆)闁擄紙COT锛夋帶鍒舵ā寮�锛屽彲瀵�(sh铆)鐝�(xi脿n)蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)鍜岀啊(ji菐n)鍠挵(hu谩n)璺(b菙)鍎�銆傛澶�锛屽畠閭勯泦鎴愪簡澶氱ó淇濊(h霉)鍔熻兘锛屽寘鎷亷娴佷繚璀�(h霉)銆侀亷婧繚璀�(h霉)鍜岀煭璺繚璀�(h霉)绛夛紝纰轰繚绯荤当(t菕ng)鍦ㄥ悇绋伐娉佷笅鐨勭┅(w臎n)瀹氶亱(y霉n)琛�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�4.5V~36V
銆€銆€杓稿嚭闆诲鑼冨湇锛�0.8V~VIN-2.5V
銆€銆€鏈€澶ц几鍑洪浕娴侊細2A
銆€銆€宸ヤ綔闋荤巼锛�600kHz
銆€銆€寰呮(j墨)闆绘祦锛氬皬浜�2渭A
銆€銆€灏佽椤炲瀷锛歈FN-16(3x3mm)
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40鈩儈+125鈩�
銆€銆€鏁堢巼锛氶珮閬�(d谩)95%

鐗规€�

1. 楂樿几鍏ラ浕澹撹寖鍦嶏紝鏀寔瀵寖鍦嶉浕婧愯几鍏�銆�
銆€銆€2. 鍏�(n猫i)缃姛鐜嘙OSFET锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆�
銆€銆€3. 鎭掑畾灏�(d菐o)閫氭檪(sh铆)闁擄紙COT锛夋帶鍒舵ā寮忥紝绨�(ji菐n)鍖栦簡鐠�(hu谩n)璺(b菙)鍎熻ō(sh猫)瑷�(j矛)銆�
銆€銆€4. 蹇€熺灛鎱�(t脿i)闊挎噳(y墨ng)锛岄仼鍚堝皪(du矛)鍕�(d貌ng)鎱�(t脿i)鎬ц兘瑕佹眰杓冮珮鐨勬噳(y墨ng)鐢�銆�
銆€銆€5. 闆嗘垚澶氱ó淇濊(h霉)鍔熻兘锛屾彁楂樼郴绲�(t菕ng)鐨勫彲闈犳€у拰瀹夊叏鎬�銆�
銆€銆€6. 灏忓瀷QFN灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�
銆€銆€7. 鏀寔鑴堟矕璺宠簫妯″紡锛屽湪杓曡級姊濅欢涓嬩繚鎸侀珮鏁堢巼銆�

鎳�(y墨ng)鐢�

1. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯浕婧愮鐞嗐€�
銆€銆€2. 閫氫俊瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧�銆�
銆€銆€3. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佺殑閬╅厤鍣ㄥ拰鍏呴浕鍣ㄣ€�
銆€銆€4. LED椹�(q奴)鍕�(d貌ng)闆绘簮銆�
銆€銆€5. 鍙┛鎴磋ō(sh猫)鍌欏拰鍏朵粬渚挎敎寮忛浕瀛愮敘(ch菐n)鍝�銆�
銆€銆€6. 闆绘睜渚涢浕绯荤当(t菕ng)涓殑楂樻晥闆诲杞�(zhu菐n)鎻�銆�