FR9809大電流降壓芯片代理商

型號：FR9809
價格:0.01 品牌名:臺灣天鈺
發(fā)布時間：2020-11-07
數(shù) 量：900000
發(fā)貨地：福田區(qū)賽格廣場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)品詳細介紹：

FR9809大電流降壓芯片代理商

Description

FR9809 is a high-efficiency synchronous step-down DC/DC converter that employs a special process technique to obtain very low RDS(ON) for the internal metal–oxide–semiconductor field-effect transistor (MOSFET). The input operation voltage is in a wide range from 4.75V to 21V, and continuous load current capability is 5A. Control circuit is designed by a particular current mode which provides fast transient response and eases loop stabilization.

This product has a very low standby current less than 1μA in shutdown mode. When the SHDN/S pin voltage is less than 0.4V, FR9809 will turn off. Fault protection includes over current protection (OCP), under voltage lockout protection (UVLO) and over temperature protection (OTP) function.

This high-efficiency current mode step-down “Green Power Converter” offers the standard SOP-8 package with an exposed pad. Features

 High Efficiency up to 90%

 Internal MOSFET RDS(ON): 110mΩ 20mΩ

 Internal Compensation

 Input Operation Voltage Range: 4.75V to 21V

 5A Continuous Output Current

 Output Voltage down to 0.805V

 500KHz Oscillation Frequency

 Sync to External Clock from 300KHz to 800KHz

 Cycle-by-Cycle Current Limit

 Under Voltage Lockout

 Over-Temperature Protection with Auto Recovery

 <1μA Shutdown Current

 Thermal Enhanced SOP-8 (Exposed Pad) Package

 RoHS Compliant Applications

 Networking Equipment

 OLPC, Netbook

 Distributed Power System

 LCD Monitor, TV, STB

 External HDD

 Security System

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