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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

lm2576
闁辫畝锛�3537鏅�(sh铆)闁擄細2017-05-15 14:24:19

LM2576绯诲垪鏄編鍦�(gu贸)鍦�(gu贸)瀹跺崐灏�(d菐o)楂斿叕鍙哥敓鐢�(ch菐n)鐨�3A闆绘祦杓稿嚭闄嶅闁�(k膩i)闂�(gu膩n)鍨嬮泦鎴愮┅(w臎n)澹撻浕璺�锛屽畠鍏�(n猫i)鍚浐瀹氶牷鐜囨尟钑╁櫒(52kHz)鍜屽熀婧�(zh菙n)绌�(w臎n)澹撳櫒(1.23V)锛屽苟鍏� 鏈夊畬鍠勭殑淇濊(h霉)闆昏矾锛屽寘鎷浕娴侀檺鍒跺強鐔遍棞(gu膩n)鏂烽浕璺瓑锛屽埄鐢ㄨ┎鍣ㄤ欢鍙渶妤靛皯鐨勫鍦嶅櫒浠朵究鍙(g貌u)鎴愰珮鏁堢┅(w臎n)澹撻浕璺�銆�

鍩烘湰淇℃伅

銆�銆�绯诲垪鍨嬭櫉(h脿o)
銆�銆�LM2576绯诲垪鍖呮嫭 LM2576(杓稿叆闆诲40V)鍙奓M2576HV(杓稿叆闆诲60V)浜屽��(g猫)绯诲垪銆傚悇绯诲垪鐢�(ch菐n)鍝佸潎鎻愪緵鏈�3.3V(-3.3)銆�5V(-5.0)銆� 12V(-12)銆�15V(-15)鍙婂彲瑾�(di脿o)(-ADJ)绛夊鍊�(g猫)闆诲妾旀鐢�(ch菐n)鍝併�傛澶�锛岃┎鑺墖閭勬彁渚涗簡宸ヤ綔鐙�鎱�(t脿i)鐨勫閮ㄦ帶鍒跺紩鑵炽��
銆�銆�涓昏鐗规��
銆�銆�LM2576绯诲垪闁�(k膩i)闂�(gu膩n)绌�(w臎n)澹撻泦鎴愰浕璺殑涓昏鐗规�у涓�
銆�銆�鈼忚几鍑洪浕娴侊細3A;
銆�銆�鈼忚几鍏ラ浕澹擄細LM2576鐐�45V锛孡M2576HV鐐�60V;
銆�銆�鈼忚几鍑洪浕澹擄細3.3V銆�5V銆�12V銆�15V鍜孉DJ(鍙(di脿o))绛夊彲閬�;
銆�銆�鈼忔尟鍕�(d貌ng)闋荤巼锛�52kHz;
銆�銆�鈼忚綁(zhu菐n)鎻涙晥鐜囷細75%~88%(涓嶅悓闆诲杓稿嚭鏅�(sh铆)鐨勬晥鐜囦笉鍚�);
銆�銆�鈼忔帶鍒舵柟寮忥細PWM;
銆�銆�鈼忓伐浣滄韩搴﹁寖鍦嶏細-40鈩� ~+125鈩�
銆�銆�鈼忓伐浣滄ā寮忥細浣庡姛鑰�/姝ｅ父鍏╃ó妯″紡鍙閮ㄦ帶鍒�;
銆�銆�鈼忓伐浣滄ā寮忔帶鍒讹細TTL闆诲钩鍏煎;
銆�銆�鈼忔墍闇�澶栭儴鍏冧欢锛氬儏鍥涘��(g猫)(涓嶅彲瑾�(di脿o))鎴栧叚鍊�(g猫)(鍙(di脿o));
銆�銆�鈼忓櫒浠朵繚璀�(h霉)锛氱啽闂�(gu膩n)鏂峰強闆绘祦闄愬埗;
銆�銆�鈼忓皝瑁濆舰寮忥細TO-220鎴朤O-263
銆�銆�閮ㄤ欢
銆�銆�LM2576鍏�(n猫i)閮ㄥ寘鍚�52kHz鎸暕鍣ㄣ��1.23V鍩烘簴(zh菙n)绌�(w臎n)澹撻浕璺�銆佺啽闂�(gu膩n)鏂烽浕璺�銆侀浕娴侀檺鍒堕浕璺�佹斁澶у櫒銆佹瘮杓冨櫒鍙婂収(n猫i)閮ㄧ┅(w臎n)澹撻浕璺瓑銆�
銆�銆�鍘熺悊
銆�銆�鐐轰簡鐢�(ch菐n)鐢熶笉鍚岀殑杓稿嚭闆诲锛� 閫氬父灏囨瘮杓冨櫒鐨勮矤(f霉)绔帴鍩烘簴(zh菙n)闆诲(1.23V)锛屾绔帴鍒嗗闆婚樆缍�(w菐ng)绲�(lu貌)锛岄�欐ǎ鍙牴鎿�(j霉)杓稿嚭闆诲鐨勪笉鍚岄伕瀹氫笉鍚岀殑闃诲��锛屽叾涓璕1=1k惟(鍙(di脿o)-ADJ鏅�(sh铆)闁�(k膩i)璺�)锛� R2鍒嗗垾鐐�1.7 k惟(3.3V)銆�3.1 k惟(5V)銆�8.84 k惟(12V)銆�11.3 k惟(15V)鍜�0(-ADJ)锛屼笂杩伴浕闃讳緷鎿�(j霉)鍨嬭櫉(h脿o)涓嶅悓宸插湪鑺墖鍏�(n猫i)閮ㄥ仛浜嗙簿纰鸿(di脿o)鏁搭�冨洜鑰岀劇(w煤)闇�浣跨敤鑰呰�冩叜銆傚皣杓稿嚭闆诲鍒嗗闆婚樆缍�(w菐ng)绲�(lu貌)鐨勮几鍑哄悓鍏�(n猫i)閮ㄥ熀婧�(zh菙n)绌�(w臎n)澹撳�� 1.23V閫�(j矛n)琛屾瘮杓�锛岃嫢闆诲鏈夊亸宸�锛屽墖鍙敤鏀惧ぇ鍣ㄦ帶鍒跺収(n猫i)閮ㄦ尟钑╁櫒鐨勮几鍑哄崰绌烘瘮顎冨緸鑰屼娇杓稿嚭闆诲淇濇寔绌�(w臎n)瀹�銆�
銆�銆�鍙冩暩(sh霉)
銆�銆�鎵�灞鍒ワ細閫氫俊闆昏矾
銆�銆�寤犲锛歂S
銆�銆�宸ヤ綔妯″紡锛氫綆鍔熻��
銆�銆�宸ヤ綔妯″紡鎺у埗锛歍TL闆诲钩鍏煎
銆�銆�鍣ㄤ欢淇濊(h霉)锛氱啽闂�(gu膩n)鏂峰強闆绘祦闄愬埗
銆�銆�LM2576甯哥敤灏佽鏂瑰紡鍙婄鑵冲畾缇�
銆�銆�LM2576甯哥敤灏佽鏂瑰紡鍙婄鑵冲畾缇�
銆�銆�杓稿叆闆诲锛�40V
銆�銆�闆绘祦 锛�3A
銆�銆�鎸嫊(d貌ng)闋荤巼锛�52KHZ
銆�銆�杞�(zhu菐n)鎻涙晥鐜� 锛�75%~88%鎺у埗鏂瑰紡锛歅WM
銆�銆�宸ヤ綔婧害锛�-40~125(鈩�)
銆�銆�寮曡叧鏁�(sh霉)鐩細5
銆�銆�杓稿嚭椤炲瀷锛氬彲瑾�(di脿o)
銆�銆�鍔熻兘锛氱洿娴侀檷澹�
銆�銆�杓稿叆闆诲锛�5.0~45V
銆�銆�杓稿嚭闆诲锛�3.3/5.0V
銆�銆�鏁堢巼锛�88%
銆�銆�闈滄厠(t脿i)闆绘祦锛�5mA
銆�銆�灏佽锛歍O-263 TO-220

鎳�(y墨ng)鐢�

銆�銆�绨�(ji菐n)鍠珮鏁堢殑闄嶅绌�(w臎n)澹撳櫒
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銆�銆�鍗′笂闁�(k膩i)闂�(gu膩n)绌�(w臎n)澹撳櫒
銆�銆�姝ｅ埌璨�(f霉)鐨勮畩鎻涘櫒
銆�銆�璨�(f霉)闁�(k膩i)澹撹畩鎻涘櫒
銆�銆�鐐洪浕姹犲厖闆诲櫒鍋氶浕婧�
銆�銆�涓嬪湒鐐哄吀鍨嬭(di脿o)澹撻浕璺噳(y墨ng)鐢�

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫氾紒

宸叉敹閷勮姊�162542鍊�(g猫)