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闁辫畝锛�12
UC2902N鏄竴娆剧敱Unitrode锛堢従(xi脿n)宸茶TI鏀惰臣锛夎ō(sh猫)瑷堢殑楂樻�ц兘鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鍣�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞(gu膩n)闆绘簮鍜孌C-DC杞�(zhu菐n)鎻涘櫒涓�傝┎鑺墖涓昏鐢ㄤ綔闆㈢窔寮忓弽婵�璁婃彌鍣ㄧ殑鎺у埗鏍稿績锛屾敮鎸佸绋伐浣滄ā寮忥紝骞跺叿鏈夎純楂樼殑鍙潬鎬у拰绌�(w臎n)瀹氭��銆�
銆�銆�UC2902N閲囩敤8寮曡叧DIP鎴朣OIC灏佽褰㈠紡锛屽収(n猫i)閮ㄩ泦鎴愪簡鎸暕鍣�銆佽宸斁澶у櫒銆侀浕娴佹娓瘮杓冨櫒浠ュ強PWM閹栧瓨绛夊姛鑳芥ā濉�锛岃兘澶�?q奴)宕縁(xi脿n)绮剧⒑鐨勮几鍑洪浕澹撹(di脿o)绡�(ji茅)鍜岄珮鏁堢殑鑳介噺杞�(zhu菐n)鎻涖��
鍨嬭櫉锛歎C2902N
銆�銆�灏佽锛欴IP-8, SOIC-8
銆�銆�宸ヤ綔闆诲鑼冨湇锛�10V 鑷� 40V
銆�銆�闁嬮棞(gu膩n)闋荤巼鑼冨湇锛�10kHz 鑷� 400kHz
銆�銆�鍩烘簴闆诲锛�2.5V 卤1%
銆�銆�鍟熷嫊闆绘祦锛氣墹50渭A
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�鏈�澶у崰绌烘瘮锛�50%
UC2902N鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鏋舵(g貌u)锛屾湁鍔╀簬绨″寲鐠�(hu谩n)璺鍎熻ō(sh猫)瑷堝苟鎻愰珮鍕曟厠(t脿i)闊挎噳鎬ц兘銆�
銆�銆�2. 鍏�(n猫i)缃簿婧栫殑2.5V鍩烘簴闆诲婧�锛岀⒑淇濊几鍑洪浕澹撶┅(w臎n)瀹氥��
銆�銆�3. 鏀寔楂橀仈400kHz鐨勫伐浣滈牷鐜�锛屽厑瑷变娇鐢ㄦ洿灏忓昂瀵哥殑纾佹�у厓浠�锛屽緸鑰岄檷浣庢暣楂旇В姹烘柟妗堢殑鎴愭湰鍜岄珨绌�銆�
銆�銆�4. 鍏锋湁杌熷暉鍕曞姛鑳�锛屽彲鏈夋晥娓涘皯涓婇浕鏅傜殑娌栨搳闆绘祦銆�
銆�銆�5. 鎻愪緵閬庢祦淇濊鍜岀啽闂�(gu膩n)鏂蜂繚璀�锛屽寮蜂簡绯荤当(t菕ng)鐨勫畨鍏ㄦ�у拰鍙潬鎬с��
銆�銆�6. 杓稿叆娆犲閹栧畾锛圲VLO锛夊姛鑳�锛岄槻姝㈠湪鐣板父浣庨浕澹撴浠朵笅閬嬭灏庤嚧?li谩n)p澹�銆�
銆�銆�7. 楂樺害闆嗘垚鐨勮ō(sh猫)瑷堟笡灏戜簡澶栭儴绲勪欢鏁�(sh霉)閲忥紝绨″寲浜哖CB甯冨眬銆�
UC2902N閬╃敤浜庡绋浕鍔涢浕瀛愭噳鐢ㄥ牬鏅�锛屼緥濡傦細
銆�銆�1. 闆㈢窔寮忓弽婵�寮忛枊闂�(gu膩n)闆绘簮銆�
銆�銆�2. 灏忓瀷閬╅厤鍣ㄥ拰鍏呴浕鍣ㄨō(sh猫)瑷�銆�
銆�銆�3. LED椹�(q奴)鍕曢浕婧�銆�
銆�銆�4. 宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮紨鍔╅浕婧愭ā濉�銆�
銆�銆�5. 閫氫俊绯荤当(t菕ng)涓殑鍌欑敤闆绘簮鍠厓銆�
銆�銆�6. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佸鎵撳嵃姗熴�佹巸鎻忓剙绛夊収(n猫i)閮ㄤ緵闆婚浕璺�銆�
UC2842N, UC2843N, TL2902N
