鏅傞枔锛�2025/5/10 14:48:16
闁辫畝锛�25
UCC3818N鏄痉宸炲剙鍣紙TI锛夋帹鍑虹殑涓�娆鹃珮鎬ц兘PWM鎺у埗鍣ㄨ姱鐗�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞闆绘簮銆丏C-DC杞�(zhu菐n)鎻涘櫒鍜岄�嗚畩鍣ㄧ瓑闋樺煙銆傝┎鑺墖閲囩敤闆绘祦妯″紡鎺у埗鏂瑰紡锛岃兘澶犳彁渚涚簿纰虹殑鍗犵┖姣旀帶鍒�锛屽苟鍏峰倷鍑鸿壊鐨勭窔鎬у拰璨犺級瑾�(di脿o)绡�(ji茅)鑳藉姏銆俇CC3818N鏀寔鍥哄畾闋荤巼鎿嶄綔锛屽叿鏈夊绋繚璀峰姛鑳戒互澧炲挤绯荤当(t菕ng)鐨勫彲闈犳�у拰绌�(w臎n)瀹氭��銆�
銆�銆�鍏惰ō瑷堟棬鍦ㄥ劒(y艒u)鍖栧姛鐜囪綁(zhu菐n)鎻涙晥鐜囷紝鍚屾檪绨″寲闆昏矾瑷▓骞舵笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆傝┎鑺墖閬╃敤浜庝腑楂樺姛鐜囨噳鐢ㄥ牬鍚�锛屽宸ユキ(y猫)瑷倷銆侀�氫俊闆绘簮浠ュ強娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勯浕婧愮鐞嗛儴鍒�銆�
宸ヤ綔闆诲锛�10V鑷�40V
銆�銆�闁嬮棞闋荤巼锛�100kHz鑷�500kHz鍙(di脿o)
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�20渭A
銆�銆�鍙冭�冮浕澹擄細5.0V 卤1%
銆�銆�鏈�澶ц几鍑洪﹨(q奴)鍕曢浕娴侊細400mA
銆�銆�鏈�灏忓皫閫氭檪闁擄細600ns
銆�銆�婧害鑼冨湇锛�-40掳C鑷�+125掳C
銆�銆�灏佽褰㈠紡锛歋OIC-8
UCC3818N鏄竴娆惧皥鐐洪浕娴佹ā寮忔帶鍒惰ō瑷堢殑PWM鎺у埗鍣ㄨ姱鐗囷紝鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 閲囩敤鍏堥�茬殑瑾ゅ樊鏀惧ぇ鍣ㄥ拰姣旇純鍣ㄧ祼妲�锛屾彁渚涘揩閫熷嫊鎱�(t脿i)闊挎噳鍜岀簿婧栫殑杓稿嚭闆诲瑾�(di脿o)绡�(ji茅)鑳藉姏銆�
銆�銆�2. 鍏�(n猫i)缃枩鐜囪鍎熷姛鑳�锛屽彲浠ユ湁鏁堥槻姝㈡璜ф尝鎸暕鍟忛锛屽緸鑰屾彁楂樼郴绲�(t菕ng)绌�(w臎n)瀹氭��銆�
銆�銆�3. 鏀寔澶栭儴瑷畾鐨勯枊闂滈牷鐜�锛岀敤鎴跺彲浠ラ�氶亷绨″柈閰嶇疆瀵︾従(xi脿n)鏈�浣虫�ц兘銆�
銆�銆�4. 闆嗘垚浜嗘瑺澹撻帠瀹氾紙UVLO锛変繚璀锋鍒�锛岀⒑淇濊姱鐗囧儏鍦ㄥ悎閬╃殑杓稿叆闆诲鑼冨湇鍏�(n猫i)閬嬭锛岄伩鍏嶇暟甯告儏娉佷笅鐨勬悕澹�銆�
銆�銆�5. 鎻愪緵鍏ㄩ潰鐨勪繚璀峰姛鑳�锛屽寘鎷�愬懆鏈熼檺娴佷繚璀�銆侀亷婧棞鏂风瓑锛岄�蹭竴姝ュ寮蜂簡鍣ㄤ欢鐨勯妫掓��銆�
銆�銆�6. 杓稿嚭椹�(q奴)鍕曡兘鍔涘挤澶�锛岃兘澶犵洿鎺ラ﹨(q奴)鍕昅OSFET鎴栭洐妤靛瀷鏅堕珨绠�锛屾笡灏戝鍦嶉﹨(q奴)鍕曢浕璺京闆滃害銆�
銆�銆�7. 灏佽绶婃箠涓旀暎鐔辨�ц兘鑹ソ锛岄潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳夌敤鍫存櫙銆�
UCC3818N鍥犲叾鍗撹秺鐨勬�ц兘鍜屽彲闈犳�э紝鍦ㄥ鍊嬮牁鍩熷緱鍒颁簡寤ｆ硾鎳夌敤锛�
銆�銆�1. 闁嬮棞妯″紡闆绘簮锛圫MPS锛�锛岀敤浜庡皣浜ゆ祦闆昏綁(zhu菐n)鎻涚偤绌�(w臎n)瀹氱殑鐩存祦闆昏几鍑恒��
銆�銆�2. DC-DC杞�(zhu菐n)鎻涘櫒锛岃矤璨笉鍚岀洿娴侀浕澹撶瓑绱氫箣闁撶殑楂樻晥杞�(zhu菐n)鎻�銆�
銆�銆�3. 闆绘睜鍏呴浕鍣ㄨō瑷�锛屾彁渚涚┅(w臎n)瀹氬彲闈犵殑鍏呴浕閬庣▼銆�
銆�銆�4. 閫氫俊瑷倷涓殑闆绘簮妯″锛屼緥濡傚熀绔欓浕婧愬拰缍�(w菐ng)绲¤矾鐢卞櫒渚涢浕鍠厓銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勯浕婧愮鐞嗙郴绲�(t菕ng)锛岀⒑淇濋棞閸佃矤杓夊緱鍒版寔绾�(x霉)闆诲姏鏀寔銆�
銆�銆�6. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽闆昏銆侀煶闊垮拰鍏朵粬闇�瑕佺簿瀵嗛浕婧愮鐞嗙殑鐢�(ch菐n)鍝�銆�
UCC3817N, UC3818N
