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Z7149 60V, 4A同步降壓調(diào)節(jié)器用于反相輸出
Z7149是一款高效60V, 4A同步單片降壓穩(wěn)壓器，用于反相輸出應(yīng)用。該穩(wěn)壓器具有單電阻可編程輸出電壓和寬VOUT范圍內(nèi)的高效率。
逆變穩(wěn)壓器的輸入電壓范圍為3.4V至60V，提供從(-28V)到零伏的可調(diào)輸出，同時提供高達(dá)4A的電感電流。開關(guān)頻率也由外部電阻設(shè)定。
提供了用戶可選擇的模式輸入，允許用戶在輕負(fù)載時權(quán)衡紋波噪聲以提高效率;突發(fā)模式操作在輕負(fù)載下提供最高效率，而強(qiáng)制連續(xù)模式提供低輸出紋波。
MODE/SYNC引腳也可用于將開關(guān)頻率同步到外部時鐘。內(nèi)部電平移位電路允許它們的i /O引腳(RUN, MODE/SYNC, PGOOD)被引用到板上的GND。LTC7149采用峰值電流模式架構(gòu)，具有固有的周期到周期限流保護(hù)，可實(shí)現(xiàn)快速瞬態(tài)響應(yīng)
Z7149 60V, 4A同步降壓調(diào)節(jié)器用于反相輸出
DESCRIPTIONThe Z7149 is a high efficiency 60V, 4A synchronousmonolithic step-down regulator for inverting outputapplications. The regulator features a single resistorprogrammable output voltage and high efficiency over awide VOUT range.
The inverting regulator operates from an input voltagerange of 3.4V to 60V and provides an adjustable outputfrom (–28V) to zero volts while delivering up to 4A ofinductor current. The switching frequency is also setwith an external resistor.
A user-selectable mode input isprovided to allow the user to trade off ripple noise for efficiency at light loads; Burst Mode operation provides thehighest efficiency at light loads, while forced continuousmode provides low output ripple.
The MODE/SYNC pincan also be used to synchronize the switching frequencyto an external clock. Internal level-shift circuits allow theI/O pins (RUN, MODE/SYNC, PGOOD) to be referencedto board GND.The LTC7149 operates with a peak current mode architecture that allows for fast transient response with inherentcycle-to-cycle current limit protection
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公司介紹：
成都陽光不斷創(chuàng)新致力于提升停產(chǎn)的自動化零件供應(yīng)水平，無論客戶身處何地，無論所需配件多么稀有，我們總能將客戶與所需產(chǎn)品緊密連接 ，成都陽光零部件覆蓋廣泛。
急切需要自動化或控制零件？ 全新、Used和已停產(chǎn)的自動化機(jī)械零件的全球供應(yīng)商。
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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed
始終實(shí)現(xiàn)更多的交付，無論是零件、服務(wù)還是速度
