The MP2113 from Monolithic Power Systems is a fully integrated, internally compensated 1,5 MHz PWM step-down converter with dynamic output voltage control.
The device’s output level can be set by the user to optimise power efficiency. It is designed for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery, with an input range from 2,7 V to 6 V. The integrated ‘power good’ comparator has a 200 μs deglitch timer to avoid false triggering during transition between operation modes.
The MP2113 can provide 1,5 A of load current and its output voltage can be regulated to as low as 0,6 V. It integrates the high-side switch and a synchronous rectifier. With peak current mode control and internal compensation, the device is stable with ceramic capacitors and small inductors. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The IC is available in a small 8-pin 2 x 3 mm QFN package.
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