鏅傞枔锛�2025/5/16 16:16:02
闁辫畝锛�23
TL3844B 鏄竴娆鹃珮鎬ц兘鐨勯浕娴佹ā寮� PWM 鎺у埗鍣�锛屽唬娉涙噳鐢ㄤ簬闁嬮棞闆绘簮銆丏C-DC 杞夋彌鍣ㄥ拰 LED 椹呭嫊鍣ㄧ瓑闋樺煙銆傝┎鑺墖鍏锋湁鍑鸿壊鐨勬帶鍒剁壒鎬у拰淇濊鍔熻兘锛岃兘澶犵⒑淇濋浕璺湪鍚勭ó宸ユ硜涓嬬殑绌�(w臎n)瀹氶亱琛�銆�
銆�銆�TL3844B 鍏ч儴闆嗘垚浜嗘尟钑╁櫒銆佽宸斁澶у櫒銆侀浕娴佹娓瘮杓冨櫒鍜岄﹨鍕曞櫒绛夋ā濉�锛岄�氶亷瑾跨瘈(ji茅)杓稿嚭鑴堟矕瀵害瀵︾従灏嶈几鍑洪浕澹撶殑绮剧⒑鎺у埗銆傛澶�锛屽畠閭勬敮鎸佸绋閮ㄥ厓浠堕厤缃�锛屼究浜庤ō瑷堜汉鍝℃牴鎿氬叿楂旈渶姹傞�茶闈堟椿瑾挎暣銆�
宸ヤ綔闆诲锛�7V - 40V
銆�銆�闁嬮棞闋荤巼锛�100kHz - 500kHz
銆�銆�鏈�澶у崰绌烘瘮锛�98%
銆�銆�鍟熷嫊闆绘祦锛氬皬浜�2渭A
銆�銆�闂滄柗闆绘祦锛氬皬浜�1渭A
銆�銆�闆绘祦闄愬埗闁惧�硷細绱�300mV
銆�銆�瑾ゅ樊鏀惧ぇ鍣ㄨ几鍏ュ亸缃浕澹擄細2.5V
銆�銆�瑾ゅ樊鏀惧ぇ鍣ㄩ枊鐠�(hu谩n)澧炵泭锛�80dB
銆�銆�灏佽褰㈠紡锛歋O-8, DIP-8
1. 鏀寔瀵寖鍦嶈几鍏ラ浕澹擄紝閬╃敤浜庡绋浕婧愮挵(hu谩n)澧�銆�
銆�銆�2. 鍏х疆楂樼簿搴﹁宸斁澶у櫒锛屾彁渚涚┅(w臎n)瀹氱殑闆诲杓稿嚭鍙嶉鎺у埗銆�
銆�銆�3. 閲囩敤闆绘祦妯″紡鎺у埗锛屽叿鍌欏揩閫熺殑鐬厠(t脿i)闊挎噳鑳藉姏銆�
銆�銆�4. 鍙法绋嬮枊闂滈牷鐜�锛屾柟渚垮劒(y艒u)鍖栨晥鐜囪垏纾佹�у厓浠跺昂瀵�銆�
銆�銆�5. 鎻愪緵娆犲閹栧畾锛圲VLO锛変繚璀峰姛鑳斤紝闃叉浣庨浕澹撴浠朵笅鐨勭暟甯告搷浣�銆�
銆�銆�6. 鏀寔閫愬懆鏈熼檺娴佷繚璀凤紝鏈夋晥闃叉閬庤級鎯呮硜灏庤嚧鐨勬悕澹�銆�
銆�銆�7. 鍏х疆鐔遍棞鏂蜂繚璀�锛岄�蹭竴姝ユ彁鍗囩郴绲�(t菕ng)鐨勫彲闈犳��銆�
1. 闁嬮棞闆绘簮閬╅厤鍣ㄨō瑷�銆�
銆�銆�2. LED 鎭掓祦椹呭嫊闆昏矾銆�
銆�銆�3. 宸ユキ(y猫)鐢� DC-DC 杞夋彌妯″銆�
銆�銆�4. 闆绘睜鍏呴浕绠＄悊绯荤当(t菕ng)銆�
銆�銆�5. 灏忓姛鐜囧闆讳腑鐨勯浕婧愯В姹烘柟妗�銆�
銆�銆�6. 鍚勯宓屽叆寮忕郴绲�(t菕ng)涓殑闆诲瑾跨瘈(ji茅)鍠厓銆�
TL3844, UC3844, SG3844
