L3845 鏅�(sh铆)闁擄細2025/4/28 18:29:51 闁辫畝锛�26

L3845鏄竴娆剧敱STMicroelectronics锛堟剰娉曞崐灏�(d菐o)楂旓級鎺ㄥ嚭鐨勯洟绶氬紡PWM鎺у埗鍣�锛屼富瑕佺敤浜庝綆鍔熺巼闁�(k膩i)闂�(gu膩n)闆绘簮閬╅厤鍣ㄥ拰鍏呴浕鍣ㄦ噳(y墨ng)鐢�銆傝┎鑺墖閲囩敤鍥哄畾闋荤巼闆绘祦妯″紡鎺у埗鏂瑰紡锛屽収(n猫i)缃珮澹�?ji菐n)顣�?d貌ng)闆昏矾锛屽苟鍏峰倷澶氱ó淇濊(h霉)鍔熻兘浠ョ⒑淇濈郴绲�(t菕ng)绌�(w臎n)瀹氶亱(y霉n)琛屻€�
銆€銆€閫氶亷(gu貌)浣跨敤L3845锛屽彲浠ヨō(sh猫)瑷�(j矛)鍑洪珮鏁堢巼銆佷綆鎴愭湰鐨勯浕婧愯綁(zhu菐n)鎻涜В姹烘柟妗�銆傚叾鍏稿瀷鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅寘鎷墜姗�(j墨)鍏呴浕鍣ㄣ€丩ED椹�(q奴)鍕�(d貌ng)闆绘簮浠ュ強鍏朵粬灏忓姛鐜囬浕瀛愯ō(sh猫)鍌欎腑鐨勯浕婧愮鐞嗛儴鍒�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�16V-280V
銆€銆€闁�(k膩i)闂�(gu膩n)闋荤巼锛�65kHz
銆€銆€寰呮(j墨)鍔熻€楋細灏忎簬30mW
銆€銆€灏佽褰㈠紡锛歋OIC-8
銆€銆€杓稿叆闆绘祦闄愬埗锛�1.8A
銆€銆€鏈€澶ц几鍑哄姛鐜囷細绱�20W

鐗规€�

L3845鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 鍏�(n猫i)缃�700V楂樺MOSFET锛岀啊(ji菐n)鍖栦簡澶栭儴鍏冧欢瑷�(sh猫)瑷�(j矛)骞堕檷浣庝簡鎴愭湰銆�
銆€銆€2. 閲囩敤鍘熼倞鎺у埗鎶€琛�(sh霉)锛岀劇(w煤)闇€鍏夎€﹀弽楗�锛屽緸鑰屾笡灏態OM鎴愭湰鍜屾彁鍗囧彲闈犳€�銆�
銆€銆€3. 鏀寔閫愬懆鏈熼浕娴侀檺鍒朵繚璀�(h霉)锛圤CP锛�锛岄槻姝㈤亷(gu貌)杓夋儏娉佷笅?li谩n)p澹炲櫒浠�銆�
銆€銆€4. 闆嗘垚澶氱ó淇濊(h霉)姗�(j墨)鍒�锛屼緥濡傞亷(gu貌)婧繚璀�(h霉)锛圤TP锛夈€侀亷(gu貌)澹撲繚璀�(h霉)锛圤VP锛変互鍙婄煭璺繚璀�(h霉)锛圫CP锛�銆�
銆€銆€5. 鍏峰倷鑷嫊(d貌ng)閲嶅暉鍔熻兘锛屽湪鏁呴殰瑙ｉ櫎鍚庢仮寰�(f霉)姝ｅ父鎿嶄綔銆�
銆€銆€6. 鑺墖鍏�(n猫i)閮ㄩ泦鎴愯粺鍟熷嫊(d貌ng)闆昏矾锛岄伩鍏嶅暉鍕�(d貌ng)鏅�(sh铆)鐢�(ch菐n)鐢熼亷(gu貌)澶ф矕鎿婇浕娴�銆�

鎳�(y墨ng)鐢�

L3845閬╃敤浜庡悇绋皬鍔熺巼闆绘簮杞�(zhu菐n)鎻涘牬(ch菐ng)鍚�锛屽叿楂旀噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熷涓嬶細
銆€銆€1. 鎵嬫(j墨)鍜屽叾浠栦究鏀滃紡闆诲瓙瑷�(sh猫)鍌欑殑鍏呴浕鍣ㄣ€�
銆€銆€2. 灏忓瀷瀹堕浕鐢�(ch菐n)鍝佸収(n猫i)鐨勯浕婧愭ā濉�锛屽閬欐帶鍣�銆佸墐闋堝垁绛�銆�
銆€銆€3. LED鐓ф槑绯荤当(t菕ng)鐨勬亽娴侀﹨(q奴)鍕�(d貌ng)闆绘簮銆�
銆€銆€4. USB鎺ュ彛渚涢浕瑁濈疆锛屼緥濡傜Щ鍕�(d貌ng)纭洡鎴栧瑷�(sh猫)渚涢浕銆�
銆€銆€5. 鍏朵粬闇€瑕佺啊(ji菐n)鍠珮鏁圓C-DC杞�(zhu菐n)鎻涚殑闆诲瓙鐢�(ch菐n)鍝佷腑銆�