2A, 23V, 380KHz Step-Down Converter
The FP6181 is a buck regulator with a built in internal power MOSFET. It achieves 2A continuous
output current over a wide input supply range with excellent load and line regulation. Current mode
operation provides fast transient response and eases loop stabilization. The device includes
cycle-by-cycle current limiting and thermal shutdown protection. Adjustable soft-start reduced the
stress on the input source at power-on. The regulator only consumes 23µA supply current in shutdown
mode. The FP6181 requires a minimum number of readily available external components to complete
a 2A buck regulator solution.
2A Output Current
0.18Ω Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic Capacitors
Up to 95% Efficiency
23μA Shutdown Mode Current
Fixed 380KHz frequency
Cycle-by-Cycle Over Current Protection
Wide 4.75 to 23V operating Input Range
Output Adjustable From 0.92 to 16V
Available MSOP10 With Exposed PAD
Under Voltage Lockout.
Distributed Power Systems
Pre-Regulator for Linear Regulators
Typical Application Circuit
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