EC3283A-2.2A,23V,Syn.Rectified Step-Down Converter

General description

The   EC3283A   is   a   monolithic   synchronous   buck regulator. The device  integrates    two    90mΩ MOSFETs,   and   provides   2.2A   of   continuous   load current over a  wide input voltage of  4.75V to 23V.Current mode control provides fast  ansient Response and  cycle-by-cycle  current limit. An adjustable   soft-start  prevents   inrush   current  at turn-on,  and  in  shutdown  mode  the  supply current drops to 1µA. This     device,   available in  an  SOP-8(Exposed PAD) Package   provides   a  very compact  solution    minimal external components.

Features

●  2.2A Output Current
●  Wide 4.75V to 23V Operating Input Range
●  Integrated 90mΩ Power MOSFET Switches
●  Output Adjustable from 0.923V to 20V
●  Up to 93% Efficiency
●  Programmable Soft-Start
●  Stable with Low ESR Ceramic Output Capacitors
●  Fixed 340KHz Frequency
●  Cycle-by-Cycle Over Current Protection
●  Input Under Voltage Lockout

Applications

● Distributed Power Systems
● Networking Systems
● FPGA, DSP, ASIC Power Supplies
● Green Electronics/ Appliances
● Notebook Computers

Pin Configurations

Ordering info

Typical Applications circuit

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