鏅傞枔锛�2024/6/20 15:55:37
闁辫畝锛�570
LM2903D鏄竴娆剧敱鍦嬮殯鍗婂皫楂斿叕鍙革紙International Semiconductors锛夌敓鐢�(ch菐n)鐨勯洐閫氶亾姣旇純鍣ㄨ姱鐗�銆傚畠閲囩敤闆欓浕婧愪緵闆�锛屽伐浣滈浕澹撹寖鍦嶇偤卤2V鑷陈�18V銆侺M2903D鍏锋湁楂橀�熴�佷綆鍔熻��銆侀珮绮惧害鐨勭壒榛烇紝鑳藉鍦ㄥ婧害鑼冨湇鍏�(n猫i)绌�(w臎n)瀹氬伐浣�銆傛澶栵紝LM2903D閭勫叿鏈夎純楂樼殑杓稿嚭椹�(q奴)鍕曡兘鍔�锛岃兘澶犻﹨(q奴)鍕曡純澶х殑璨犺級銆�
銆�銆�LM2903D鐨勫伐浣滃師鐞嗗熀浜庢瘮杓冨櫒鐨勫熀鏈師鐞�锛屽嵆灏囪几鍏ヤ俊铏熻垏鍙冭�冮浕澹撻�茶姣旇純锛屽苟杓稿嚭鐩告噳鐨勯倧杓浕骞�銆侺M2903D鍏锋湁鍏╁�嬬崹绔嬬殑姣旇純鍣紝姣忓�嬫瘮杓冨櫒鐨勮几鍏ュ紩鑵冲垎鍒ョ偤闈炲弽鐩歌几鍏ワ紙IN-锛夊拰鍙嶇浉杓稿叆锛圛N+锛�銆傜暥IN+澶т簬IN-鏅�锛岃几鍑虹偤楂橀浕骞筹紱鐣禝N+灏忎簬IN-鏅�锛岃几鍑虹偤浣庨浕骞炽��
LM2903D閲囩敤闆欓浕婧愪緵闆�锛屽収(n猫i)閮ㄥ寘鍚叐鍊嬫瘮杓冨櫒銆佸弮鑰冮浕澹撴簮銆佽几鍑洪﹨(q奴)鍕曢浕璺瓑銆侺M2903D鐨勫紩鑵冲竷灞�娓呮櫚锛屽叿鏈�14鍊嬪紩鑵�锛屽寘鎷璨犻浕婧愬紩鑵炽�佽几鍏ュ紩鑵�銆佽几鍑哄紩鑵�銆佸弮鑰冮浕澹撳紩鑵崇瓑銆侺M2903D鐨勫皝瑁濆舰寮忕偤DIP锛堥洐鍒楃洿鎻掑皝瑁濓級锛屾柟渚垮湪瀵﹂殯闆昏矾涓娇鐢�銆�
1銆佷緵闆婚浕澹撹寖鍦嶏細2V鑷�36V
銆�銆�2銆佸伐浣滄韩搴﹁寖鍦嶏細-40掳C鑷�+125掳C
銆�銆�3銆佽几鍏ラ浕澹撹寖鍦嶏細璨犻浕婧愯嚦姝ｉ浕婧�
銆�銆�4銆佽几鍑洪浕娴侊細25mA
銆�銆�5銆侀熆鎳夋檪闁擄細1渭s
1銆侀洐姣旇純鍣細LM2903D鍏锋湁鍏╁�嬫瘮杓冨櫒锛屽彲鍚屾檪閫茶鍏╄矾淇¤櫉鐨勬瘮杓�銆�
銆�銆�2銆佷綆鍔熻�楋細LM2903D鐨勫姛鑰楅潪甯镐綆锛岄仼鍚堥暦鏅傞枔閬嬭鍜岄浕姹犱緵闆荤殑鎳夌敤銆�
銆�銆�3銆侀珮绮惧害锛歀M2903D鍏锋湁楂樼簿搴︾殑姣旇純鑳藉姏锛岃兘澶犺几鍑烘簴纰虹殑姣旇純绲愭灉銆�
銆�銆�4銆侀珮閫熷害锛歀M2903D鐨勯熆鎳夋檪闁撻潪甯哥煭锛岃兘澶犲揩閫熼熆鎳夎几鍏ヤ俊铏熺殑璁婂寲銆�
銆�銆�5銆佸宸ヤ綔闆诲鑼冨湇锛歀M2903D鐨勫伐浣滈浕澹撹寖鍦嶅唬娉�锛岄仼鐢ㄤ簬鍚勭ó渚涢浕闆诲鐠�(hu谩n)澧�銆�
LM2903D鐨勫伐浣滃師鐞嗗熀浜庢瘮杓冨櫒鐨勫伐浣滃師鐞嗐�傛瘮杓冨櫒鏄竴绋浕瀛愬厓浠�锛岀敤浜庢瘮杓冨叐鍊嬭几鍏ヤ俊铏熺殑澶у皬锛屽苟杓稿嚭鐩告噳鐨勯倧杓浕骞�銆侺M2903D涓殑姣旇純鍣ㄩ噰鐢ㄥ樊鍒嗘斁澶у櫒鐨勭祼妲嬶紝鐣惰几鍏ラ浕澹撹秴閬庝竴瀹氱殑闁惧�兼檪锛岃几鍑洪浕骞虫渻鐧�(f膩)鐢熻畩鍖栥�侺M2903D鐨勫叐鍊嬫瘮杓冨櫒鍙互鐛ㄧ珛鍦伴�茶姣旇純锛岃几鍑虹祼鏋滅偤閭忚集楂橀浕骞虫垨閭忚集浣庨浕骞炽��
1銆侀浕澹撴瘮杓冿細LM2903D鍙互鐢ㄤ簬姣旇純鍏╁�嬮浕澹撲俊铏熺殑澶у皬锛屽苟杓稿嚭鐩告噳鐨勯倧杓浕骞筹紝甯哥敤浜庨浕澹撴娓�銆侀枊闂滄帶鍒剁瓑鎳夌敤銆�
銆�銆�2銆佹韩搴︽帶鍒讹細LM2903D鍙互鐢ㄤ簬姣旇純婧害淇¤櫉锛屾牴鎿�(j霉)姣旇純绲愭灉渚嗘帶鍒舵韩搴︽帶鍒跺櫒鐨勮几鍑�锛屽鐝�(xi脿n)婧害鎺у埗鐨勫姛鑳�銆�
銆�銆�3銆佸厜闆绘娓細LM2903D鍙互鐢ㄤ簬鍏夐浕妾㈡脯锛屾瘮杓冨厜闆诲偝鎰熷櫒杓稿嚭鐨勪俊铏熻垏鍙冭�冮浕澹�锛屽垽鏂锋槸鍚﹂仈鍒板厜闆绘娓殑姊濅欢銆�
銆�銆�4銆侀浕娴佹娓細LM2903D鍙互鐢ㄤ簬妾㈡脯闆绘祦淇¤櫉锛屾瘮杓冮浕娴佷俊铏熻垏鍙冭�冮浕娴�锛屽鐝�(xi脿n)闆绘祦妾㈡脯鍜屾帶鍒躲��
LM2903D鐨勮ō瑷堟祦绋嬪涓嬫墍杩帮細
銆�銆�1銆佺⒑瀹氳ō瑷堥渶姹傦細棣栧厛闇�瑕佹槑纰鸿ō瑷堢殑鐩殑鍜岄渶姹�锛屽寘鎷几鍏ラ浕澹撹寖鍦嶃�佽几鍑洪浕骞�銆侀浕婧愰浕澹撲互鍙婂伐浣滄韩搴︾瓑鍙冩暩(sh霉)銆�
銆�銆�2銆侀伕鎿嘗M2903D鑺墖锛氭牴鎿�(j霉)瑷▓闇�姹傦紝閬告搰鍚堥仼鐨凩M2903D鑺墖鍨嬭櫉锛屽苟浜嗚В鍏剁壒鎬у拰鎬ц兘鍙冩暩(sh霉)锛屽寘鎷几鍏ュ亸缃浕娴�銆佸叡妯¤几鍏ヨ寖鍦�銆佽几鍑洪浕娴佽兘鍔涚瓑銆�
銆�銆�3銆侀浕璺ō瑷堬細鏍规摎(j霉)瑷▓闇�姹�锛岃ō瑷堢浉鎳夌殑闆昏矾锛屽寘鎷几鍏ラ浕璺�佸弮鑰冮浕澹撻浕璺�銆佽几鍑洪浕璺瓑銆傚湪瑷▓闆昏矾鏅傦紝闇�瑕佹牴鎿�(j霉)LM2903D鐨勫紩鑵冲姛鑳藉拰鐗规�ч�茶鍚堢悊鐨勯�ｆ帴鍜屽竷灞�銆�
銆�銆�4銆侀浕璺豢鐪燂細浣跨敤闆昏矾瑷▓杌熶欢閫茶浠跨湡锛岄璀夎ō瑷堥浕璺殑鎬ц兘鍜岀┅(w臎n)瀹氭�э紝鍖呮嫭杓稿叆闆诲鑼冨湇銆佽几鍑洪浕骞�銆侀熆鎳夋檪闁撶瓑銆�
銆�銆�5銆丳CB甯冨眬锛氭牴鎿�(j霉)闆昏矾瑷▓绲愭灉锛岄�茶PCB甯冨眬瑷▓锛屽悎鐞嗗畨鎺掑厓鍣ㄤ欢鐨勪綅缃拰閫ｆ帴锛屼互纰轰繚闆昏矾鐨勭┅(w臎n)瀹氭�у拰鍙潬鎬�銆�
銆�銆�6銆丳CB甯冪窔锛氭牴鎿�(j霉)甯冨眬瑷▓锛岄�茶PCB鐨勫竷绶氾紝鍖呮嫭淇¤櫉绶�銆侀浕婧愮窔銆佸湴绶氱瓑銆傚湪甯冪窔閬庣▼涓紝闇�瑕佹敞鎰忎俊铏熺窔鍜岄浕婧愮窔涔嬮枔鐨勫垎闆�锛屼互娓涘皯骞叉摼銆�
銆�銆�7銆丳CB鍒堕�犲拰绲勮锛氬皣瑷▓濂界殑PCB閫茶鍒堕�犲拰绲勮锛岄伕鎿囧悎閬╃殑PCB鍒堕�犲晢鍜岀祫瑁濆粻瀹讹紝纰轰繚璩�(zh矛)閲忓拰鎬ц兘銆�
銆�銆�8銆侀浕璺(di脿o)瑭﹀拰娓│锛氬皣绲勮濂界殑闆昏矾閫茶瑾�(di脿o)瑭﹀拰娓│锛屽寘鎷几鍏ヨ几鍑轰俊铏熺殑娓│銆侀浕婧愰浕澹撶殑娓│绛�锛屼互纰轰繚闆昏矾鐨勬甯稿伐浣�銆�
銆�銆�9銆佸劒(y艒u)鍖栧拰鏀归�诧細鏍规摎(j霉)娓│绲愭灉锛屽皪闆昏矾閫茶鍎�(y艒u)鍖栧拰鏀归�诧紝鍖呮嫭闆昏矾鍙冩暩(sh霉)鐨勮(di脿o)鏁�銆佸竷灞�鐨勫劒(y艒u)鍖栫瓑锛屼互鎻愰珮闆昏矾鐨勬�ц兘鍜岀┅(w臎n)瀹氭��銆�
鍦ㄤ娇鐢↙M2903D閫茶闁嬬櫦(f膩)鏅傦紝闇�瑕佹敞鎰忎互涓嬪咕鍊嬪畨瑁濊榛烇細
銆�銆�1銆侀伕鐢ㄥ悎閬╃殑灏佽褰㈠紡锛歀M2903D鑺墖鏈夊绋皝瑁濆舰寮�锛屽DIP灏佽銆丼OP灏佽绛�锛屾牴鎿�(j霉)瀵﹂殯闇�姹傞伕鎿囧悎閬╃殑灏佽褰㈠紡銆�
銆�銆�2銆佸紩鑵抽�ｆ帴锛氭牴鎿�(j霉)LM2903D鐨勫紩鑵冲姛鑳藉拰闆昏矾瑷▓鐨勯渶姹�锛屾纰洪�ｆ帴鑺墖鐨勫紩鑵�銆傚湪閫ｆ帴寮曡叧鏅�锛屾敞鎰忛伩鍏嶇煭璺拰閷綅绛夊晱椤�銆�
銆�銆�3銆佷緵闆婚浕澹擄細鏍规摎(j霉)LM2903D鐨勫伐浣滈浕澹撹寖鍦嶏紝閬告搰鍚堥仼鐨勪緵闆婚浕澹�锛屽苟鍤存牸鎺у埗闆绘簮闆诲鐨勭┅(w臎n)瀹氭�у拰绱嬫尝銆�
銆�銆�4銆佹韩搴︽帶鍒讹細LM2903D鑺墖鐨勫伐浣滄韩搴﹁寖鍦嶄竴鑸偤-40掳C鑷�125掳C锛岄渶瑕佺⒑淇濊姱鐗囧伐浣滃湪鍚堥仼鐨勬韩搴﹁寖鍦嶅収(n猫i)锛岄伩鍏嶉亷楂樻垨閬庝綆鐨勬韩搴﹀皪鑺墖鎬ц兘閫犳垚褰遍熆銆�
銆�銆�5銆丳CB甯冨眬鍜屽竷绶氾細鍦ㄥ竷灞�鍜屽竷绶氶亷绋嬩腑锛岄渶瑕佹敞鎰忎俊铏熺窔鍜岄浕婧愮窔鐨勫垎闆紝娓涘皯骞叉摼銆傚悓鏅傦紝鍚堢悊瀹夋帓鍏冨櫒浠剁殑浣嶇疆鍜岄�ｆ帴锛屼繚璀変俊铏熷偝杓�?sh霉)濮嗏偓(w臎n)瀹氭�у拰鍙潬鎬�銆�
銆�銆�6銆佺剨鎺ヨ唱(zh矛)閲忥細鍦ㄨ姱鐗囩殑鐒婃帴閬庣▼涓�锛屼繚璀夌剨鎺ヨ唱(zh矛)閲�锛岄伩鍏嶇剨鎺ユ帴瑙镐笉鑹垨鐒婃帴閬庣啽绛夊晱椤岋紝浠ョ⒑淇濊姱鐗囩殑宸ヤ綔绌�(w臎n)瀹氭��銆�
銆�銆�7銆侀潨闆讳繚璀凤細LM2903D鑺墖灏嶉潨闆绘晱鎰�锛屽畨瑁濇檪闇�瑕侀噰鍙栭潨闆讳繚璀锋帾鏂斤紝濡備娇鐢ㄩ槻闈滈浕澧�銆佺┛鎴撮槻闈滈浕鎵嬪绛夛紝浠ラ伩鍏嶉潨闆诲皪鑺墖鐨勬悕澹�銆�
