名(Ming)称(Cheng) :
CX8571耐(Nai)压(Ya) :
40V输(Shu)出(Chu)电(Dian)压(Ya) :
ADJ输(Shu)出(Chu)电(Dian)流(Liu) :
8A工(Gong)作(Zuo)模(Mo)式(Shi) :
同(Tong)步(Bu)封(Feng)装(Zhuang) :
MSOP10概(Gai)述(Shu):(?)
CX8571是(Shi)一(Yi)款(Kuan)降(Jiang)压(Ya)型(Xing)PWM控(Kong)制(Zhi)器(Qi),该(Gai)控(Kong)制(Zhi)器(Qi)可(Ke)驱(Qu)动(Dong)双(Shuang)路(Lu)输(Shu)出(Chu)8A(4A+4A)负(Fu)载(Zai)电(Dian)流(Liu)。(?)设(She)计(Ji)允(Yun)许(Xu)CX8571在(Zai)9V到(Dao)40V宽(Kuan)输(Shu)入(Ru)电(Dian)压(Ya)范(Fan)围(Wei)内(Nei)工(Gong)作(Zuo)。(?)通(Tong)过(Guo)将(Jiang)COMP/EN引(Yin)脚(Jiao)逻(Luo)辑(Ji)电(Dian)平(Ping)拉(La)低(Di)来(Lai)实(Shi)现(Xian)外(Wai)部(Bu)关(Guan)断(Duan)功(Gong)能(Neng),并(Bing)进(Jin)入(Ru)待(Dai)机(Ji)模(Mo)式(Shi)。(?)外(Wai)部(Bu)补(Bu)偿(Chang)使(Shi)反(Fan)馈(Kui)控(Kong)制(Zhi)环(Huan)路(Lu)具(Ju)有(You)良(Liang)好(Hao)的(De)线(Xian)压(Ya)调(Diao)整(Zheng)率(Lu)和(He)负(Fu)载(Zai)调(Diao)整(Zheng)率(Lu),且(Qie)外(Wai)围(Wei)设(She)计(Ji)灵(Ling)活(Huo)。(?)
CX8571可(Ke)以(Yi)工(Gong)作(Zuo)在(Zai)CC(恒(Heng)流(Liu)输(Shu)出(Chu))或(Huo)CV(恒(Heng)压(Ya)输(Shu)出(Chu))两(Liang)种(Zhong)模(Mo)式(Shi),过(Guo)流(Liu)保(Bao)护(Hu)(OCP)电(Dian)流(Liu)值(Zhi)可(Ke)以(Yi)通(Tong)过(Guo)外(Wai)部(Bu)电(Dian)流(Liu)检(Jian)测(Ce)电(Dian)阻(Zu)设(She)置(Zhi)。(?)cX8571适(Shi)用(Yong)于(Yu)有(You)限(Xian)流(Liu)要(Yao)求(Qiu)的(De)DCDC开(Kai)关(Guan)电(Dian)源(Yuan),该(Gai)芯(Xin)片(Pian)采(Cai)用(Yong)MSOP10封(Feng)装(Zhuang),需(Xu)要(Yao)较(Jiao)少(Shao)的(De)外(Wai)部(Bu)器(Qi)件(Jian)。(?)
特(Te)性(Xing):(?)
●(?) 电(Dian)压(Ya)输(Shu)入(Ru)范(Fan)围(Wei):9~40V
●(?) 输(Shu)出(Chu)电(Dian)压(Ya)精(Jing)度(Du)(Vref=1.0V):±(?)2.0%
●(?) 双(Shuang)通(Tong)道(Dao)CC\CV模(Mo)式(Shi)
●(?) 双(Shuang)通(Tong)道(Dao)外(Wai)部(Bu)限(Xian)流(Liu)
●(?) 过(Guo)温(Wen)保(Bao)护(Hu)(OTP)内(Nei)置(Zhi)软(Ruan)启(Qi)动(Dong)时(Shi)间(Jian)3ms
●(?) 固(Gu)定(Ding)频(Pin)率(Lu)120KHz
●(?) 输(Shu)入(Ru)欠(Qian)压(Ya)保(Bao)护(Hu)(最(Zui)小(Xiao)7V,典(Dian)型(Xing)7.5V,最(Zui)大(Da)8V)
●(?) 占(Zhan)空(Kong)比(Bi)范(Fan)围(Wei):0~90%
●(?) 一(Yi)个(Ge)引(Yin)脚(Jiao)即(Ji)可(Ke)实(Shi)现(Xian)外(Wai)部(Bu)补(Bu)偿(Chang)和(He)关(Guan)断(Duan)控(Kong)制(Zhi)
●(?) 输(Shu)出(Chu)可(Ke)使(Shi)用(Yong)陶(Tao)瓷(Ci)电(Dian)容(Rong)
●(?) 内(Nei)置(Zhi)可(Ke)调(Diao)整(Zheng)的(De)线(Xian)压(Ya)补(Bu)偿(Chang)
●(?) MSOP10封(Feng)装(Zhuang)
应(Ying)用(Yong):(?)
●(?) 汽(Qi)车(Che)充(Chong)电(Dian)器(Qi)
●(?) 高(Gao)亮(Liang)度(Du)照(Zhao)明(Ming)
●(?) 便(Bian)携(Xie)式(Shi)设(She)备(Bei)供(Gong)电(Dian)电(Dian)源(Yuan)