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FR9888,3A,23V,340kHz同步整流降压DC-DC

FR9888】3A,23V,340kHz同步整流降压DC-DC

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FR9888 详细介绍

FR9888概述:3A, 23V, 340kHz同步整流降压DC-DC
The FR9888 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability. FR9888 Fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown. Besides, FR9888 adjustable soft-start function prevents inrush current at turn-on. This device uses current mode control scheme that provides fast transient response. In shutdown mode, the FR9888 supply current is about 1uA.
The FR9888 is available in an 8-pin SOIC package, provides a very compact system solution and good thermal conductance.

FR9888技术特性
● Wide Input Voltage from 4.5V to 23V
● 3A Output Current
● Adjustable Output Voltage from 0.925V to 14V
● Low Rds(on) integrated Power MOSFET
● High Efficiency Up to 93%
● Fixed 340KHz Switching Frequency
● Current Mode Operation
● Adjustable Soft-Start
● Cycle-by-Cycle current limit
● Input Under Voltage Lockout
● Over-Temperature Protection With Auto Recovery
● 1uA Shutdown Current
● Internal Compensation Function
● SOP-8 and Thermal Enhanced SOP-8P Packages
● RoHS Compliant

FR9888应用领域
● Set-Top-Box
● DVD,LCD Displays
● OLPC, Netbook
● Datacom, XDSL

 


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