| Description The FR9888 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3.5A continuous load current capability. The FR9888 fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown. Besides, adjustable soft-start function prevents inrush current at turn-on. This device uses current mode control scheme which provides fast transient resp***e. Internal Compensation function reduces external compensation components and simplifies the design process. In shutdown mode, the supply current is less than 1uA. The FR9888 is ***ailable in an 8-pin SOIC package, provides a very compact system solution and good thermal conductance. |
Features ● High Efficiency Up to 96% ● Low ***(on) integrated Power MOSFET ● Internal Compensation Function ● Wide Input Voltage Range: 4.5V to 23V ● Adjustable Output Voltage Range: 0.925V to 20V ● 3.5A Output Current ● 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 ●SOP-8 Exposed Pad Package Applicati*** ● Set-Top-Box (STB) ● Televisi*** ● Distributed Power Systems ● XDSL Modems |