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銆€銆€姝ゅ锛孴PS92551 鏀寔妯℃摤瑾�(di脿o)鍏夊拰 PWM 瑾�(di脿o)鍏夊叐绋ā寮�锛屽彲闈堟椿瑾�(di脿o)绡€(ji茅) LED 鐨勪寒搴�锛岄潪甯搁仼鍚堝晢妤�(y猫)鐓ф槑銆佸伐妤�(y猫)鐓ф槑浠ュ強鎴跺鐓ф槑绛夊牬鏅�銆�

鍙冩暩(sh霉)

杓稿叆闆诲鑼冨湇锛�6V 鑷� 70V
銆€銆€杓稿嚭闆绘祦绮惧害锛毬�3%
銆€銆€闁嬮棞(gu膩n)闋荤巼锛�200kHz 鑷� 2MHz
銆€銆€鏈€澶у崰绌烘瘮锛�98%
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽椤炲瀷锛歈FN-16 (4mm x 4mm)
銆€銆€瑾�(di脿o)鍏夋柟寮忥細PWM 鍜屾ā鎿(di脿o)鍏�
銆€銆€鏁堢巼锛氶珮閬� 95%

鐗规€�

TPS92551 鎻愪緵浜嗗崜瓒婄殑鎬ц兘鐗归粸锛�
銆€銆€1. 瀵硾鐨勮几鍏ラ浕澹撹寖鍦�锛岄仼鐢ㄤ簬澶氱ó闆绘簮鐠�(hu谩n)澧�銆�
銆€銆€2. 鍏�(n猫i)缃珮鎬ц兘 MOSFET 椹�(q奴)鍕曞櫒锛屾笡灏戝閮ㄥ厓浠舵暩(sh霉)閲忓苟鍎�(y艒u)鍖� PCB 甯冨眬銆�
銆€銆€3. 楂樻晥鐨勬亽娴佹帶鍒舵妧琛�(sh霉)锛屼娇寰� LED 鐨勪寒搴︽洿鍔犲潎鍕�銆�
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銆€銆€6. 灏忓瀷鍖栫殑 QFN 灏佽锛岀瘈(ji茅)鐪佺┖闁�锛屼究浜庡皬鍨嬪寲瑷�(sh猫)瑷�銆�
銆€銆€7. 鍙法绋嬬殑闁嬮棞(gu膩n)闋荤巼锛屾柟渚胯ō(sh猫)瑷堜汉鍝″劒(y艒u)鍖栭浕纾佸共鎿� (EMI) 鎬ц兘銆�

鎳�(y墨ng)鐢�

TPS92551 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 鍟嗙敤 LED 鐓ф槑锛氬绛掔噲銆佸皠鐕堛€侀潰鏉跨噲绛�銆�
銆€銆€2. 宸ユキ(y猫)鐓ф槑锛氶珮澶╂鐕堛€佷綆澶╂鐕�銆佽矾鐕堢瓑銆�
銆€銆€3. 鎴跺 LED 鐓ф槑锛氬搴櫌鐕�銆佹櫙瑙€鐕堛€佸唬鍛婄墝鐕堢瓑銆�
銆€銆€4. 姹借粖澶栭儴鐓ф槑锛氬熬鐕堛€佸墡杌婄噲銆佽綁(zhu菐n)鍚戠噲绛夈€�
銆€銆€5. 鍏朵粬闇€瑕侀珮鏁堟亽娴侀﹨(q奴)鍕曠殑澶у姛鐜� LED 鎳�(y墨ng)鐢ㄥ牬鏅�銆�