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闁辫畝锛�27
PT4115鏄竴娆剧敱Power Integrations鍏徃鎺ㄥ嚭鐨勯珮闆嗘垚搴ED椹�(q奴)鍕曡姱鐗囷紝寤ｆ硾鎳夌敤浜庨潪闅旈洟闄嶅锛圔uck锛夋嫇鎾茬殑LED鐓ф槑闋�(l菒ng)鍩�銆傝┎鑺墖鍏�(n猫i)缃簡鍔熺巼MOSFET锛屾敮鎸侀珮閬�28V鐨勮几鍏ラ浕澹�锛屽苟涓斿叿鏈夋亽瀹氶浕娴佽几鍑虹壒鎬э紝鑳藉绨″寲LED鐕堝叿鐨勮ō(sh猫)瑷�銆侾T4115閲囩敤SO-8灏佽褰㈠紡锛屽叾楂樻晥鐜囧拰灏忓昂瀵歌ō(sh猫)瑷堥潪甯搁仼鍚堢穵婀婂瀷LED椹�(q奴)鍕曢浕婧愭噳鐢�銆�
銆�銆�PT4115鍏�(n猫i)閮ㄩ泦鎴愪簡澶氱ó淇濊鍔熻兘锛屽寘鎷亷婧繚璀�銆侀枊璺繚璀�銆佺煭璺繚璀风瓑锛屽緸鑰屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬�銆傛澶栵紝瀹冮倓鏀寔瑾�(di脿o)鍏夊姛鑳�锛屽彲浠ラ�氶亷DIM寮曡叧瀵︾従(xi脿n)PWM鎴栨ā鎿(di脿o)鍏�锛屾豢瓒冲妯ｅ寲鐨勭敤鎴堕渶姹�銆�
杓稿叆闆诲鑼冨湇锛�6V~28V
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�300kHz~700kHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈+85鈩�
銆�銆�灏佽褰㈠紡锛歋O-8
銆�銆�杓稿嚭闆绘祦绮惧害锛毬�5%
銆�銆�寰呮鍔熻�楋細<15mW
PT4115鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏�(n猫i)缃珮澹撳姛鐜嘙OSFET锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲�銆�
銆�銆�2. 鏀寔瀵寖鍦嶈几鍏ラ浕澹�锛岄仼鎳夋�ф洿寮�銆�
銆�銆�3. 闆嗘垚澶氱ó淇濊鍔熻兘锛岀⒑淇濈郴绲�(t菕ng)绌�(w臎n)瀹氶亱琛�銆�
銆�銆�4. 鏀寔PWM鍜屾ā鎿(di脿o)鍏夛紝闈堟椿鎬ч珮銆�
銆�銆�5. 楂樻晥鐜囪ō(sh猫)瑷�锛岄檷浣庣櫦(f膩)鐔卞晱椤�銆�
銆�銆�6. 灏忓昂瀵窼O-8灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔銆�
銆�銆�7. 鎭掓祦杓稿嚭妯″紡锛岀劇闇�椤嶅鐨勯浕娴佹娓浕闃汇��
PT4115閬╃敤浜庝互涓嬫噳鐢ㄩ牁(l菒ng)鍩燂細
銆�銆�1. LED绛掔噲銆佸皠鐕堝拰鍏朵粬瀹剁敤LED鐕堝叿銆�
銆�銆�2. 鍟嗘キ(y猫)鐓ф槑涓殑LED闈㈡澘鐕堝拰鐕堢銆�
銆�銆�3. 宸ユキ(y猫)鍙婃埗澶朙ED鐓ф槑瑙ｆ焙鏂规銆�
銆�銆�4. 灏忓姛鐜囬洟绶氬紡LED椹�(q奴)鍕曞櫒銆�
銆�銆�5. 鍚勭ó闇�瑕佹亽娴佽几鍑虹殑灏忓瀷LED椹�(q奴)鍕曟噳鐢�銆�
PT4115D, PT4115C
