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AIC2983B

3A, 80V, 200kHz Step-Down Converter

FEATURES
  • Wide 4.5V to 80V Operating Input Range
  • Output Adjustable from 0.8V to 40V
  • Programmable Maximum Peak Current
  • 130mΩ Internal Power MOSFET Switch
  • 89.1% Efficiency at VIN=80V, VOUT=15V@1A
  • 76.8% Efficiency at VIN=80V, VOUT=5V@1A
  • Fixed 200kHz Frequency
  • Thermal Shutdown
  • Cycle-by-Cycle Over Current Protection
  • Available in SOP-8 Exposed Pad Package
APPLICATIONS
  • Balance Bike
  • Ebike
  • USB Power Supplies
  • Communication equipment
DESCRIPTION

The AIC2983B is a monolithic step-down switch mode converter. It achieves 3A continuous out-put current over a wide input supply range with excellent load and line regulation.
The maximum peak current can be programmed by sensing current through an accurate sense resistor.
Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.
The AIC2983B requires a minimum number of readily available standard external components. The AIC2983B is available in SOP-8 exposed pad package.

TYPICAL APPLICATION


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