鏅傞枔锛�2025/5/6 14:41:57
闁辫畝锛�25
LM2597鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夌敓鐢�(ch菐n)鐨勯珮鏁堢巼闄嶅闁嬮棞绌�(w臎n)澹撴帶鍒跺櫒銆傝┎鍣ㄤ欢鑳藉鍦ㄥ緢瀵殑杓稿叆闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛岄仼鐢ㄤ簬澶氱ó闆绘簮杞�(zhu菐n)鎻涘牬鏅�銆傚叾鍏�(n猫i)閮ㄩ泦鎴愪簡鍔熺巼MOSFET锛屾敮鎸侀珮閬�3A鐨勮矤杓夐浕娴�锛屽苟涓旀彁渚涘浐瀹氶牷鐜囬浕娴佹ā寮忔搷浣滀互绨″寲鐠�(hu谩n)璺鍎熷拰鎻愰珮鐬厠(t脿i)闊挎噳鎬ц兘銆�
銆�銆�LM2597鍏锋湁鑹ソ鐨勭窔璺拰璨犺級瑾�(di脿o)绡�(ji茅)鑳藉姏锛岃兘澶犵偤鍚勭ó鎳夌敤鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲銆傚畠閲囩敤妯欐簴鐨�8寮曡叧DIP鎴朣OIC灏佽锛屽叿鍌欑啽闂滄柗淇濊鍔熻兘浠ュ強闆绘祦闄愬埗鍔熻兘锛岀⒑淇濆湪鐣板父鎯呮硜涓嬭姱鐗囩殑瀹夊叏閬嬭銆�
杓稿叆闆诲鑼冨湇锛�10V~40V
銆�銆�杓稿嚭闆诲鑼冨湇锛�1.23V~37V
銆�銆�闁嬮棞闋荤巼锛�150kHz
銆�銆�鏈�澶ц矤杓夐浕娴侊細3A
銆�銆�灏佽褰㈠紡锛歍O-220銆丼O-8
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C~+125掳C
銆�銆�鍏稿瀷宸ヤ綔鏁堢巼锛�85%
LM2597鏄竴绋珮鏁堣兘鐨勯檷澹撳瀷DC-DC杞�(zhu菐n)鎻涘櫒锛屽叿鏈変互涓嬬壒榛烇細
銆�銆�1. 鍏�(n猫i)缃姛鐜嘙OSFET锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲�锛岄檷浣庝簡鏁撮珨瑷▓寰╅洔搴�銆�
銆�銆�2. 鏀寔3A閫ｇ簩(x霉)杓稿嚭闆绘祦锛岄仼鍚堜腑绛夊姛鐜囩殑鎳夌敤闇�姹�銆�
銆�銆�3. 鍥哄畾闋荤巼PWM鎺у埗鏂瑰紡淇濊瓑浜嗚几鍑洪浕澹撶┅(w臎n)瀹氭��锛屽悓鏅備究浜庢烤娉㈤浕璺殑瑷▓銆�
銆�銆�4. 鎻愪緵澶氱ó灏佽閬搁爡锛屾柟渚夸笉鍚屾噳鐢ㄥ牬鏅殑閬告搰銆�
銆�銆�5. 鐔变繚璀疯垏鐭矾淇濊鍔熻兘澧炲挤浜嗙郴绲�(t菕ng)鐨勫彲闈犳��銆�
銆�銆�6. 杓冨鐨勫伐浣滈浕澹撹寖鍦嶄娇鍏跺吋瀹瑰绋浕婧愯几鍏ユ柟妗堬紝濡傞浕姹犱緵闆绘垨宸ユキ(y猫)闆绘簮閬╅厤鍣�銆�
LM2597寤ｆ硾鎳夌敤浜庨渶瑕佸皣杓冮珮闆诲闄嶈嚦杓冧綆闆诲鐨勫牬鍚堬紝鍏烽珨鍖呮嫭锛�
銆�銆�1. 渚挎敎寮忛浕瀛愯ō鍌欎腑鐨勯嫲闆绘睜鍏呴浕绠＄悊闆昏矾銆�
銆�銆�2. 姹借粖闆诲瓙绯荤当(t菕ng)锛屼緥濡傝粖杓夐煶闊�銆佸皫鑸ō鍌欑瓑銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊鍖栨帶鍒堕牁鍩熶腑鐨勫偝鎰熷櫒渚涢浕妯″銆�
銆�銆�4. 閫氫俊瑷倷涓敤浜庣敓鎴愮壒瀹氶浕澹撹粚鐨勯浕婧愯綁(zhu菐n)鎻涢儴鍒�銆�
銆�銆�5. LED椹�(q奴)鍕曢浕婧愯В姹烘柟妗堬紝鐗瑰垾鏄皪浜庡ぇ鍔熺巼LED鐓ф槑鎳夌敤銆�
銆�銆�6. 鍏朵粬浠讳綍闇�瑕侀珮鏁堢洿娴侀檷澹撹綁(zhu菐n)鎻涚殑闆诲瓙瑁濈疆銆�
LM2576
銆�銆�LM2596
銆�銆�XL6009
