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代理天鈺FR9801降壓轉(zhuǎn)換器芯片

型號(hào)：FR9801
價(jià) 格:0.01 品牌名:臺(tái)灣天鈺
發(fā)布時(shí)間：2020-11-07
數(shù) 量：900000
發(fā)貨地：福田區(qū)賽格廣場(chǎng)38樓
發(fā)貨周期：1天
聯(lián)系人：鄭瓊鋒
聯(lián)系電話：13528458039
瀏覽量：
公司名稱：深圳市夸克微科技有限公司

產(chǎn)品詳細(xì)介紹：

代理天鈺FR9801降壓轉(zhuǎn)換器芯片

Description

The FR9801 is a synchronous step-down DC/DC converter that provides wide 4.5V to 21V input voltage range and 2A continuous load current capability.

The FR9801 fault protection includes cycle-by-cycle current limit, UVLO, output overvoltage protection and thermal shutdown. The adjustable soft-start function prevents inrush current at turn-on. This device uses current mode control scheme which provides fast transient response. Internal compensation function reduces external compensation components and simplifies the design process. In shutdown mode, the supply current is less than 1μA.

The FR9801 is available in SOT-23-6 package and provides good thermal conductance. Features

 High Efficiency up to 94%

 Low RDS(ON) Integrated Power MOSFET

 Internal Compensation Function

 Wide Input Voltage Range: 4.5V to 21V

 Adjustable Output Voltage from 0.8V to 17.85V

 2A Output Current

 Fixed 600KHz Switching Frequency

 Current Mode Operation

 Cycle-by-Cycle Current Limit

 Over-Temperature Protection with Auto Recovery

 Output Overvoltage Protection

 Under Voltage Lockout

 <1μA Shutdown Current

 SOT-23-6 Package Applications

 STB (Set-Top-Box)

 LCD Display, TV

 Distributed Power System

 Networking, XDSL Modem

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