鏅傞枔锛�2025/5/7 17:22:17
闁辫畝锛�26
MAX1848鏄竴娆鹃珮鏁堢巼銆侀檷澹撳瀷DC-DC杞�(zhu菐n)鎻涘櫒锛屽皥鐐轰綆鍔熻�楁噳鐢ㄨō瑷�銆傝┎鑺墖闆嗘垚浜嗕竴鍊嬪収(n猫i)閮ㄩ枊闂�(gu膩n)绠�锛岃兘澶犲湪杓冨鐨勮几鍏ラ浕澹撹寖鍦嶅収(n猫i)宸ヤ綔锛屽苟鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲銆�
銆�銆�MAX1848閲囩敤鍥哄畾闋荤巼PWM鎺у埗鏂瑰紡锛屽叿鏈夊揩閫熺灛鎱�(t脿i)闊挎噳鍜岃壇濂界殑璨犺級瑾�(di脿o)绡�(ji茅)鎬ц兘銆傚畠閬╃敤浜庝究鏀滃紡瑷倷銆侀浕姹犱緵闆荤郴绲�(t菕ng)浠ュ強鍏朵粬灏嶆晥鐜囧拰绌洪枔瑕佹眰杓冮珮鐨勬噳鐢ㄥ牬鍚�銆�
杓稿叆闆诲鑼冨湇锛�2.7V~5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V~3.6V
銆�銆�闁嬮棞(gu膩n)闋荤巼锛�1.0MHz
銆�銆�杓稿嚭闆绘祦锛氶珮閬�300mA
銆�銆�宸ヤ綔鏁堢巼锛氶珮閬�95%
銆�銆�灏佽褰㈠紡锛歍SSOP-8
MAX1848鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂樻晥闄嶅杞�(zhu菐n)鎻涳細閫氶亷鍎�(y艒u)鍖栫殑闆昏矾瑷▓锛孧AX1848鑳藉?q奴)宕縁(xi脿n)楂橀仈95%鐨勮綁(zhu菐n)鎻涙晥鐜�锛屽緸鑰屾笡灏戝姛鑰楀苟闄嶄綆鐧�(f膩)鐔遍噺銆�
銆�銆�2. 鍏�(n猫i)缃姛鐜囬枊闂�(gu膩n)锛氶泦鎴愪簡涓�鍊嬩綆Rds(on)鐨凬婧濋亾MOSFET锛屾笡灏戜簡澶栭儴鍏冧欢鏁�(sh霉)閲忥紝绨″寲浜嗚ō瑷堝苟绡�(ji茅)鐪佷簡PCB绌洪枔銆�
銆�銆�3. 瀵几鍏ラ浕澹撹寖鍦嶏細鏀寔2.7V鑷�5.5V鐨勮几鍏ラ浕澹撹寖鍦�锛屼娇鍏堕仼鍚堝柈绡�(ji茅)閶伴洟瀛�/閶拌仛鍚堢墿闆绘睜鎴栧叐绡�(ji茅)鍫挎��/閹虫矮闆绘睜渚涢浕鐨勬噳鐢�銆�
銆�銆�4. 鍙(di脿o)杓稿嚭闆诲锛氶�氶亷澶栭儴闆婚樆鍒嗗缍�(w菐ng)绲�锛屽彲浠ラ潏娲昏ō缃�0.8V鑷�3.6V涔嬮枔鐨勪换鎰忚几鍑洪浕澹�銆�
銆�銆�5. 淇濊鍔熻兘榻婂叏锛氬収(n猫i)缃亷娴佷繚璀枫�佺煭璺繚璀峰拰鐔遍棞(gu膩n)鏂蜂繚璀风瓑鍔熻兘锛岀⒑淇濆湪鐣板父鎯呮硜涓嬭姱鐗囧強绯荤当(t菕ng)鐨勫畨鍏ㄦ�с��
銆�銆�6. 灏忓昂瀵稿皝瑁濓細閲囩敤TSSOP-8灏佽锛岄仼鍚堢穵婀婂瀷瑷▓闇�姹�銆�
MAX1848寤ｆ硾鎳夌敤浜庡悇绋渶瑕侀珮鏁堥浕婧愮鐞嗙殑鍫存櫙涓�锛屽寘鎷細
銆�銆�1. 渚挎敎寮忛浕瀛愯ō鍌欙細濡傜Щ鍕曢浕瑭�銆丳DA銆丮P3鎾斁鍣ㄧ瓑銆�
銆�銆�2. 闆绘睜渚涢浕绯荤当(t菕ng)锛氫緥濡傜劇绶氬偝鎰熷櫒绡�(ji茅)榛�銆佹墜鎸佹脯閲忓剙鍣ㄧ瓑銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡傛暩(sh霉)纰肩浉姗�銆佹父鎴叉閰嶄欢绛夈��
銆�銆�4. 宸ユキ(y猫)鎺у埗闋�(l菒ng)鍩燂細灏忓瀷宓屽叆寮忔帶鍒跺櫒鎴栨暩(sh霉)鎿�(j霉)閲囬泦妯″涓殑闆绘簮閮ㄥ垎銆�
銆�銆�5. 鍏朵粬浣庡姛鑰楁噳鐢細浠讳綍闇�瑕佸皣杓冮珮闆诲闄嶈嚦杓冧綆绌�(w臎n)瀹氶浕澹撲互椹�(q奴)鍕曟晱鎰熻矤杓夌殑鎯呮硜銆�
MAX1555ETA+T
銆�銆�TPS62000
銆�銆�LT3086
