IRF4905 鏅�(sh铆)闁擄細2025/4/29 10:31:40 闁辫畝锛�34

IRF4905鏄竴绋甆婧濋亾澧炲挤(qi谩ng)鍨嬪姛鐜嘙OSFET锛岄噰鐢═O-220灏佽褰㈠紡銆傞€欑ó鍣ㄤ欢涓昏鎳�(y墨ng)鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒銆侀浕姗�(j墨)椹�(q奴)鍕�(d貌ng)闆昏矾浠ュ強璨�(f霉)杓夐枊闂�(gu膩n)绛夐牁(l菒ng)鍩�銆侷RF4905鍏锋湁杓冧綆鐨勫皫(d菐o)閫氶浕闃诲拰杓冮珮鐨勯浕娴佽檿鐞嗚兘鍔�锛屽悓鏅�(sh铆)鍏峰倷蹇€熼枊闂�(gu膩n)鐗规€�锛岄仼鍚堜簬闇€瑕侀珮鏁堢巼鍜岄珮鎬ц兘鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅€�
銆€銆€瑭插櫒浠剁殑宸ヤ綔闆诲鑼冨湇瀵�锛岃兘澶犳壙鍙楅珮閬�(d谩)100V鐨勬紡婧愭サ闆诲锛屽苟涓旀敮鎸佹渶澶ч€ｇ簩(x霉)婕忔サ闆绘祦鐐�78A锛堝湪鐗瑰畾姊濅欢涓嬶級銆傜敱浜庡叾鍑鸿壊鐨勯浕姘ｆ€ц兘鍜屽彲闈犳€�锛孖RF4905鍦ㄥ悇绋伐妤�(y猫)鍜屾秷璨�(f猫i)椤為浕瀛愯ō(sh猫)鍌欎腑寰楀埌浜嗗唬娉涙噳(y墨ng)鐢ㄣ€�

鍙冩暩(sh霉)

鏈€澶ф紡婧愰浕澹擄細100V
銆€銆€鏈€澶ф煹婧愰浕澹擄細卤20V
銆€銆€閫ｇ簩(x霉)婕忔サ闆绘祦锛�78A
銆€銆€灏�(d菐o)閫氶浕闃伙紙Rds(on)锛夛細0.016惟锛堝吀鍨嬪€�锛屽湪Vgs=10V鏅�(sh铆)锛�
銆€銆€绺藉姛鑰楋細169W
銆€銆€绲�(ji茅)婧寖鍦嶏細-55鈩冭嚦175鈩�
銆€銆€鐔遍樆锛堢祼(ji茅)鍒版锛夛細1.4鈩�/W

鐗规€�

IRF4905鍏锋湁浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆€銆€1. 楂樻晥鐨勪綆灏�(d菐o)閫氶浕闃昏ō(sh猫)瑷�(j矛)锛屾湁鍔╀簬娓涘皯灏�(d菐o)閫氭悕鑰楀苟鎻愰珮鏁撮珨绯荤当(t菕ng)鏁堢巼銆�
銆€銆€2. 蹇€熼枊闂�(gu膩n)閫熷害锛岄檷浣庝簡闁嬮棞(gu膩n)閬�(gu貌)绋嬩腑鐨勮兘閲忔悕澶�銆�
銆€銆€3. 寮�(qi谩ng)澶х殑闆绘祦鎵胯級鑳藉姏锛岄仼鐢ㄤ簬楂樺姛鐜囨噳(y墨ng)鐢�銆�
銆€銆€4. 杓冮珮鐨勯洩宕╂搳绌胯兘閲忚€愬彈鑳藉姏锛屽寮�(qi谩ng)浜嗗櫒浠剁殑榄鎬�銆�
銆€銆€5. 绶婃箠鐨凾O-220灏佽褰㈠紡锛屼究浜庡畨瑁濆拰鏁ｇ啽绠＄悊銆�
銆€銆€6. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦�锛岀⒑淇濆湪妤电鐠�(hu谩n)澧冧笅鐨勭┅(w臎n)瀹氶亱(y霉n)琛�銆�

鎳�(y墨ng)鐢�

IRF4905寤ｆ硾鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 闁嬮棞(gu膩n)妯″紡闆绘簮锛圫MPS锛夛紝濡傞仼閰嶅櫒鍜屽厖闆诲櫒銆�
銆€銆€2. DC-DC杞�(zhu菐n)鎻涘櫒锛屽寘鎷檷澹撳拰鍗囧鎷�?f霉)娴(ji茅)妲�(g貌u)銆�
銆€銆€3. 闆诲嫊(d貌ng)宸ュ叿鍜屽鐢ㄩ浕鍣ㄤ腑鐨勯浕姗�(j墨)椹�(q奴)鍕�(d貌ng)闆昏矾銆�
銆€銆€4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栨帶鍒朵腑鐨勮矤(f霉)杓夐枊闂�(gu膩n)鍜岀辜闆诲櫒鏇夸唬鏂规銆�
銆€銆€5. 姹借粖闆诲瓙绯荤当(t菕ng)锛屼緥濡傚暉鍕�(d貌ng)闆绘(j墨)鎺у埗鍜岀収鏄庣郴绲�(t菕ng)銆�
銆€銆€6. 闆绘睜绠＄悊绯荤当(t菕ng)涓殑淇濊(h霉)鍜屽垏鎻涘姛鑳姐€�